To:
`
`Subject:
`
`Sent:
`
`Sent As:
`
`Attachments:
`
`Panasonic Corporation of North America (ptodocket@arelaw.com)
`
`U.S. TRADEMARK APPLICATION NO. 77936733 - DECT 6.0 PLUS - 55210/668
`
`4/23/2010 10:13:54 AM
`
`ECOM109@USPTO.GOV
`
`Attachment - 1
`Attachment - 2
`Attachment - 3
`Attachment - 4
`Attachment - 5
`Attachment - 6
`Attachment - 7
`Attachment - 8
`Attachment - 9
`Attachment - 10
`Attachment - 11
`Attachment - 12
`Attachment - 13
`Attachment - 14
`Attachment - 15
`Attachment - 16
`Attachment - 17
`Attachment - 18
`
`UNITED STATES PATENT AND TRADEMARK OFFICE
`
`(cid:160) (cid:160)(cid:160)(cid:160) SERIAL NO:(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)
`(cid:160)(cid:160)(cid:160)(cid:160) MARK: DECT 6.0 PLUS(cid:160)(cid:160)(cid:160)(cid:160)(cid:160) (cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)
`(cid:160) (cid:160)
`MORTON AMSTER(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)
`AMSTER ROTHSTEIN & EBENSTEIN LLP(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)
`NEW YORK, NY 10016-1301(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)
`(cid:160)(cid:160)(cid:160)(cid:160)(cid:160) APPLICANT:(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)
`America(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160) (cid:160)(cid:160)(cid:160)(cid:160)(cid:160) CORRESPONDENT’S REFERENCE/DOCKET NO :(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)
`(cid:160)(cid:160)(cid:160)
`55210/668(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160) CORRESPONDENT E-MAIL ADDRESS:(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)
`
`ptodocket@arelaw.com
`
`OFFICE ACTION
`
`(cid:160)T
`
`(cid:160)I
`
`SSUE/MAILING DATE: 4/23/2010
`
`O AVOID ABANDONMENT, THE OFFICE MUST RECEIVE A PROPER RESPONSE TO THIS OFFICE ACTION WITHIN 6 MONTHS
`OF THE ISSUE/MAILING DATE.
`
`*77936733*
`
`RESPOND TO THIS ACTION:
`http://www.uspto.gov/teas/eTEASpageD.htm
`
`(cid:160)G
`
`ENERAL TRADEMARK INFORMATION:
`http://www.uspto.gov/main/trademarks.htm
`
`77/936733
`
`(cid:160)(cid:160)(cid:160) CORRESPONDENT ADDRESS:
`(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)
`
`90 PARK AVE
`
`(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)
`
`(cid:160) Panasonic Corporation of North
`
`(cid:160)
`

`
`The referenced application has been reviewed by the assigned trademark examining attorney.(cid:160) Applicant must respond timely and completely to
`the issues below.(cid:160) 15 U.S.C. §1062(b); 37 C.F.R. §§2.62(a), 2.65(a); TMEP §§711, 718.03.
`
`(cid:160)S
`
`EARCH RESULTS
`
`The trademark examining attorney has searched the Office’s database of registered and pending marks and has found no conflicting marks that
`would bar registration under Trademark Act Section 2(d).(cid:160) TMEP §704.02; see 15 U.S.C. §1052(d).
`
`(cid:160)H
`
`owever, the applicant must address the following issues:
`
`(cid:160)S
`
`UMMARY OF ISSUED THAT APPLICANT MUST ADDRESS
`
`Mark Description
`Identification of Goods
`Disclaimer
`
`(cid:160)M
`
`ARK DESCRIPTION
`
`(cid:160)A
`
`pplicant must submit a complete, accurate and concise description of the applied-for mark.(cid:160) Applications for marks not in standard characters
`must include an accurate and concise description of the entire mark that identifies the literal elements in the mark.(cid:160) See 37 C.F.R. §2.37; TMEP
`
`§§807.03(c), 808.01. 808.02.(cid:160)(cid:160)
`
`The following mark description is suggested:
`
`The mark consists of the wording “DECT 6.0 PLUS” in stylized font.
`
`(cid:160)I
`
`DENTIFICATION OF GOODS
`
`(cid:160)T
`
`he identification of goods is indefinite and must be clarified because the nature of the goods is unclear.(cid:160) Specifically, the word “system” is
`indefinite and must be amended to list the major parts or components of the system, as well as describe the nature, purpose and use of the
`system.(cid:160) Applicant should use common generic terms when specifying the parts or components of the system.” (cid:160) See TMEP §§1401.02(a),
`1402.01.
`
`(cid:160)A
`
`pplicant may substitute the following wording, if accurate:(cid:160) “Digital cordless telephone system, comprised primarily of [specify main
`components of system, e.g., computer hardware, digital telephone platforms and software, digital telephone switching apparatus], base
`station and one or more handsets.”
`
`(cid:160)I
`
`dentifications of goods can be amended only to clarify or limit the goods; adding to or broadening the scope of the goods is not permitted.(cid:160) 37
`C.F.R. §2.71(a); see TMEP §§1402.06 et seq., 1402.07.(cid:160) Therefore, applicant may not amend the identification to include goods that are not
`within the scope of the goods set forth in the present identification.
`
`(cid:160)F
`
`or assistance with identifying and classifying goods and/or services in trademark applications, please see the online searchable Manual of
`Acceptable Identifications of Goods and Services at http://tess2.uspto.gov/netahtml/tidm.html.(cid:160) See TMEP §1402.04.
`
`(cid:160)D
`
`ISCLAIMER
`
`(cid:160)A
`
`pplicant must insert a disclaimer of “DECT 6.0” in the application because this term refers immediately to a feature of the goods, which the
`identification of goods shows are digital cordless telephone systems.(cid:160) See 15 U.S.C. §1056(a); TMEP §§1213, 1213.03(a).(cid:160) The attached
`evidence, consisting of website screen shots and an entry from Wikipedia®, shows that the term “DECT 6.0” is an industry-wide term in the
`United States used to refer to a protocol and frequency for operating cordless telephones.(cid:160) As applicant’s goods consist of cordless telephones,
`this term refers immediately to a feature of the goods, is merely descriptive and therefore must be disclaimed.
`
`(cid:160)T
`
`(cid:160)T
`
`he following is the accepted standard format for a disclaimer:
`
`No claim is made to the exclusive right to use “DECT 6.0” apart from the mark as shown.
`
`MEP §1213.08(a)(i).
`
`(cid:160)A
`
` “disclaimer” is a statement in the record that an applicant does not claim exclusive rights to an unregistrable component of a mark; it does not
`affect the appearance of the mark.(cid:160) TMEP §1213.(cid:160) An unregistrable component can include wording or designs that are merely descriptive or
`
`(cid:160)
`(cid:160)
`(cid:160)
`(cid:160)
`(cid:160)
`

`
`generic, deceptively misdescriptive, or primarily geographically descriptive of an applicant’s goods and/or services. (cid:160) 15 U.S.C. §1052(e); see
`TMEP §§1213, 1213.03.
`
`(cid:160)T
`
`he Office can require an applicant to disclaim an unregistrable component of a mark.(cid:160) 15 U.S.C. §1056(a).(cid:160) Failure to comply with a disclaimer
`requirement can result in a refusal to register the entire mark.(cid:160) TMEP §1213.01(b).
`
`(cid:160)A
`
` disclaimer does not physically remove the disclaimed matter from the mark, but rather is a written statement that applicant does not claim
`exclusive rights to the disclaimed wording and/or design separate and apart from the mark as shown in the drawing.(cid:160) TMEP §§1213, 1213.10.
`
`(cid:160)R
`
`ESPONDING TO THIS OFFICE ACTION
`
`(cid:160)T
`
`here is no required format or form for responding to an Office action; however, applicant must explicitly address each refusal and/or
`requirement raised in this Office action.(cid:160) If a refusal has issued, applicant may wish to argue against the refusal, i.e., submit arguments and/or
`evidence as to why the refusal should be withdrawn and the mark should register.(cid:160) To respond to requirements, applicant should set forth in
`
`writing the required changes or statements and request that the Office enter them into the application record.(cid:160)(cid:160)
`
`The response must be signed by the individual applicant or someone with legal authority to bind a juristic applicant (e.g., a corporate officer or
`general partner).(cid:160) See 37 C.F.R. §§2.62(b), 2.193(e)(2)(ii); TMEP §§611.03(b), 611.06 et seq., 712.01.(cid:160) In the case of joint applicants, all must
`sign.(cid:160) 37 C.F.R. §2.193(e)(2)(ii); TMEP §611.06(a).(cid:160) In addition, the proper signatory must personally sign or personally enter his/her electronic
`signature.(cid:160) See 37 C.F.R. §2.193(a), (e)(2)(ii); TMEP §§611.01(b), 611.02.
`
`(cid:160)T
`
`he Office recommends applicants use the Trademark Electronic Application System (TEAS) to respond to Office actions online at
`http://www.uspto.gov/teas/index.html.(cid:160) If applicant responds on paper via regular mail, the response should include the title “Response to Office
`Action” and the following information: (cid:160) (1) the name and law office number of the examining attorney, (2) the serial number and filing date of
`the application, (3) the date of issuance of this Office action, (4) applicant’s name, address, telephone number and e-mail address (if applicable),
`and (5) the mark.(cid:160) 37 C.F.R. §2.194(b)(1); TMEP §302.03(a).
`
`/Susan R. Stiglitz/
`Trademark Examining Attorney
`USPTO
`Law Office 109
`571-272-9285 (tel)
`571-273-9285 (fax)
`
`(cid:160)(cid:160)(cid:160)
`
`RESPOND TO THIS ACTION:(cid:160)Applicant should file a response to this Office action(cid:160)online using the form at
`http://www.uspto.gov/teas/eTEASpageD.htm, waiting 48-72 hours if applicant received notification of the Office action via e-mail.(cid:160)(cid:160)For
`technical assistance with the form, please e-mail TEAS@uspto.gov.(cid:160) For(cid:160)questions about the Office action itself, please contact the assigned
`examining attorney.(cid:160)(cid:160) Do not respond to this Office action by e-mail;(cid:160)the USPTO does not accept e-mailed responses .
`
`(cid:160)I
`
`f responding by paper mail, please include the following information: the application serial number, the mark, the filing date and the name,
`title/position, telephone number and e-mail address of the person signing the response.(cid:160) Please use the following address: Commissioner for
`Trademarks, P.O. Box 1451, Alexandria, VA 22313-1451.
`
`(cid:160)S
`
`TATUS CHECK: Check the status of the application at least once every six months from the initial filing date using the USPTO Trademark
`Applications and Registrations Retrieval (TARR) online system at http://tarr.uspto.gov.(cid:160) When conducting an online status check, print and
`maintain a copy of the complete TARR screen.(cid:160) If the status of your application has not changed for more than six months, please contact the
`assigned examining attorney.
`
`(cid:160)(cid:160)
`(cid:160)(cid:160)(cid:160)(cid:160)(cid:160)
`

`
`http:H.7'r1.125115.132fsearch?g=cache:lE»1\oh1livll-UJ:en.wil-ripedia.orgIwil<i.lDigital Enhanced Cordless Telecommunica
`Dt1i'"23i'2D1D DQ255252 AM
`tions+dect+E.D&cd=1&hl=en&ct=clnk&gl=us
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`Digital Enhanced Cordless Telecommunications
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`[March 2009)
`
`known as Digital European
`Digital Enhanced Cordless Telecommunications
`Cordless Telephonelll until 1995, is an ETSI standard for digital portable phones
`(cordless home telephones), commonly used for domestic or corporate purposes. it is
`recognised by the ITU as fulfilling the |ivlT-2DDD requirements and thus qualifies as a 3G
`system. Within the llv1T—2DDD group oftechnologies, E is referred to as ||lI'|T2lJlJl]
`Frequency Time (||lIlT—FTJ
`
`was developed by ETSI but has since been adopted by many countries all overthe
`world. The original fifreguency band (1880 lv1Hz—19DD MHz) is used in all countries in
`Europe. Outside Europe, it is used in most off-‘xsia, Australia and South America.
`in the
`United States, the Federal Communications Commission in 2DD5 changed channelization
`and licensing costs in a nearby band (1920 lv1Hz—193D lv1Hz,or1.9 GHZ], known as
`Unlicensed Personal Communications Services (UPCS), allowingm devices to be sold
`in the U.S. with only minimal changes. These channels are reserved exclusively forvoice
`communication applications and therefore are less likely to experience interference from
`otherwireless devices such as baby monitors and wireless networks.
`
`
`
`The base unit and handset of a British Telecom 57
`"
`.ii cordlesstelephone
`
`Contents [hide]
`1 Application
`2 VolPllP—
`3 Features
`4 Technical details
`5 '.=Ii'-u.-"til for Data Networks
`5.1 Radio links
`
`8 References
`El External links
`
`Application
`
`[edit]
`
`

`
`http:H.7'r1.125115.132fsearch'?q=cache:fr3Aoh'lllvll-UJ:en.wikipedia.org.u'wiki.u'Digital Enhanced Cordless Telecommunica
`Dt1l'"23l'2D1D DQ255252 Alvl
`tions+dect+E.D&cd=1&hl=en&ct=clnk&gl=us
`. .,.,...__.-._..
`
`,__..,
`
`EI2is::E
`Norsk (bokmal)
`Polski
`Ponugues
`Pyccxufi
`Simple English
`Svenska
`3-’i<pa'iHcsxa
`EFF:
`
`The E standard fully specifies a means for a portable unit, such as a cordless telephone, to access a fixed telecoms network via radio.
`Elut, unlike the GSM standards, does net specify any internal aspects ofthe fixed network itself. Connectivity to the fixed network (which
`may be ofmany different kinds) is done through a base station or "Radio Fixed Part" to terminate the radio link, and a gateway to connect
`calls to the fixed network.
`In most cases the base station connection is to the public switched telephone network ortelephonejack,
`although connectivity with newertechnologies such as Voice over IP has become available. There are also other devices such as some
`baby monitors utilizing
`and in these devices there is no gateway functionality.
`
`The E standard nriginally envisaged three major areas nf app|ieatinn'lc’-ml-O” needwl
`I domestic cordless telephony, using a single base station to connect one or more handsets to the public telecoms network, which is now
`available
`
`I enterprise premises cordless PAEl}<s and wireless LANs, using many base stations for coverage. Calls continue as users move between
`different coverage cells, through a mechanism called handover. Trafflc both within the system and to the public telecoms network
`
`I public access, using large numbers of base stations to provide building or urban area coverage as part ofa public telecoms network.
`
`Ofthese, the domestic application (cordless home telephones) has been extremely successful. The enterprise PABX market had some
`success, and all the maior PAEIX vendors have offered E access options. The public access application has not succeeded, since
`public cellular networks have fulfilled the need better. The one major application offlfor public access, the Telecom ltalia's FIDO
`network covering major cities in Italy, lasted about a year and was shut down in 2DD1.
`
`E has also been used for Fixed Wireless Access as a substitute for copper pairs in the "last mile" in countries such as India and South
`Africa.l°l'l'm'°” needeal Ely using directional antennas and sacrificing some traffc capacity, cell coverage could extend to over 10 km.
`in
`Europe, the power limit laid down for use ofthe E spectrum (250 mW peak) was expressed in ERP, ratherthan the more commonly-
`used EIPP, thus permitting the use ofpowerful directional antennas to produce much higher EIRP and hence long ranges.
`
`Vo|P.'|P-E
`
`[edit]
`
`In business, _ has become an essential part of many PAEl>{ installations with manufacturer's proprietary methods ofsupporting PAElX
`features overthe H standard.l'“l""l"°’° ”e°"l“'l Since the onset ofthe migration from TDlv1 PEl}<s to VoIP and \»’olP hybrid solutions,
`manufacturers such as Ascom Wireless Solutions, Aastra Technologies, Philips, Avaya, [PTX Telecomifl], and Polycom have developed IP-
`E solutions where the backhaul from the base station is \-“olP [H.323 or SIP] while the handset loop is still These solutions are
`sometimes restricted by the cost ofthe base station but may be economic where the concentration ofusers is high.lC’l"l’°’° ”ee°l'3°’l PEIX
`networking vendors such as Cisco promote the adoption ofW|F|—\r’o|P handsets as the replacement fom, but this imposes significant
`overhead on the design and complexity ofthe WIFI network in orderto provide roaming, coverage and reservation ofbandwidth, not to
`rrieritiuri QOS.l""m"”” nmdml The question I.If'\-’uice Mobility in currirrierciel erivirurirrierils is still very uperi. H is ruLIusL but needs its uwri
`radio infrastructure. WIFI is deployed as an ad—hoc network environment. The new entrant into the field will be 3G—nano Cell technology
`where VolP sessions would be supported as a private connection onto a 3G handsetIPDA.
`
`Features
`
`[edit]
`
`Typical abilities ofa domestic E Generic Access Profile (GAP) system include:
`I Multiple handsets to one base station and one phone line socket. This allows several cordless telephones to be placed around the
`house. all operating from the same telephonejack. Additional handsets usually have a battery charger station instead ofa base station.
`The additional handsets do not require additional telephone sockets or additional transceivers
`
`I
`
`|nterference—free wireless operation to around 1DD metres outdoors. Operates clearly in common congested domestic radio traffic
`situations. For instance, generally immune to interference from Wi—Fi networks or video senders, Elluetooth technology, baby monitors
`and nther wireless devices
`
`

`
`http:H.7'r1.125115.132fsearch'?q=cache:lEAoh'llMl-U.J:en.wikipedia.orq.lwiki.u'Diqital Enhanced Cordless Telecommunica
`tions+dect+E.D&cd=1&hl=en&ct=clnk&ql=us
`Dt1i'”23i'2D1D D9:55:52 AM
`
`and otherwireless devices.
`
`I Ability to make internal (intercom) calls between handsets.
`
`I An extended range between the telephone and base (allowing greater physical distance between the two devices)
`
`' Extended battery talk—time, sometimes up to 2:1 hourslcllmllon needeal
`
`Technical details
`
`some m pmpBmeS.[ci'tati'on x-eedea]
`I Audio codec: G.?'2l3
`I Net bit rate: 32 kbitfs
`
`[edit]
`
`I Frequency: ‘I880 MHz—19DD MHz in Europe, 1900 MHz—192D MHZ in China, 1910 MHz—193D MHz in Latin America and 1920 MHz-
`193D MHz in the US and Canada
`I Carriers: 1|] [1.?'2El kHz spacing] in Europe. 5 [1 .?'2El kHz spacing] in the US
`I Time slots: 2 x 12 (up and down stream)
`I Channel allocation: dynamic
`I Average transmission power:
`
`‘ID mW (250 mW peak) in Europe, I1 mW (100 mW peak) in the US
`
`The fl physical layer uses:
`I Frequency division multiple access [FDMA),
`I Time division multiple access (TDMA) and
`I Time division duplex (TDD)
`This means that the radio spectrum is divided intn physical rrhannels in two dimensions‘ frequency and time
`
`The maximum allowed powerfor portable equipment as well as base stations is 250 mW. A portable device radiates an average ofabout
`10 mW during a call as it is only using one of2r1 time slots to transmit.
`
`The N media access control layer controls the physical layer and provides connection oriented, connectionless and broadcast services
`to the higher layers.
`It also provides encryption services with the u Standard Cipher (DSC). The encryption is fairly weak, using a '35-bit
`initialization vector and encrypting the voice stream with 54-bit encryption. There are reports in 2DDEl that the security algorithm had been
`broken,l2ll3l and this has now been shown to be true.l4l
`The M data link layer uses LAPC (Link Access Protocol Control), a specially designed variant ofthe ISDN data link protocol called
`LAPD. They are based on HDLC.
`
`The Q network layer always contains the following protocol entities:
`I Call Control (CC)
`I Mobility Management (MM)
`Optionally it may also contain others:
`
`I Call Independent Supplementary Services (CISS)
`I Connection Oriented Message Service (COMS)
`I Connectionless Message Service (CLMS)
`All these communicate through a Link Control Entity (LCE).
`
`The call control protocol is derived from ISDN DSS1 , which is a 0.931 derived protocol. Many “specific changes have been made.
`lspecm The mobility management protocol includes many elements similarto the GSM protocol, but also includes elements unique to
`
`

`
`http:H.7'r1.125115.132fsearch?q=cache:f5Aoh1IMI-UJ:en.wikipedia.org.fwiki.fDigitaI Enhanced Cordless Telecommunica
`tions+dect+E.0&cd=1&hl=en&ct=clnk&gl=us
`0t1i'”23i'2010 09:55:52 AM
`
`Unlike the GSM protocol, the E network specifications do not define cross-linkages between the operation ofthe entities [eg Mobility
`Management and Call Control). The architecture presumes that such linkages will be designed into the interworking unit that connects the
`E access network to whatever mobiIity—enabIed fixed network is involved. Ely keeping the entities separate, the handset is capable of
`responding to any combination ofentity traffic, and this creates great flexibility in fixed nework design without breaking full interoperability.
`
`X GAP is an interoperability profile for“. The intent is that two different products from different manufacturers that both conform not
`only to the I standard, but also to the GAP profile defined within the E standard, are able to interoperate for basic calling. The
`E standard includes full testing suites for GAP, and Gr’-‘«F' products on the market from different manufacturers are in practice
`interoperable forthe basic functions.
`
`_ for Data Networks
`
`[edit]
`
`Other interoperability profiles exist in the E suite of standards, and in particularthe DPRS H Packet Radio Services] bring together
`a number ol prior interoperability profiles torthe use otn as a wireless LAN and wireless Internet access service. With good range [up
`to 200 m indoors and 5 km using directional antennae outdoors), dedicated spectrum, high interference immunity, open interoperability and
`data speeds of around 500 kbitfs, Q appeared at one time to be a superior alternative to Wi—Fil5l. The protocol capabilities built into the
`H networking protocol standards were particularly good at supporting fast roaming in the public space, between hotspots operated by
`competing but connected providers. The first H product to reach the market, LIJlivetti's l\let3, was a wireless LAN, and German firms
`Dosch Stfikmand and Hoeft &Wesse| built niche businesses on the supply of data transmission systems based on
`
`However, the timing ofthe availability of“, in the mid 1990s, was too early to find wide application forwireless data outside niche
`industrial applications. Whilst contemporary providers ofWi—Fi struggled with the same issues, providers ofm retreated to the more
`immediately lucrative market tor cordless telephones. A key weakness was also the inaccessibility otthe U.l:-I. market, due to l-CC
`spectrum restrictions at that time. Ely the time mass applications forwireless Internet had emerged, and the US. had opened up to
`well into the new century, the industry had moved far ahead in terms of performance and DECT's time as a wireless data transport was past.
`
`Ironically, the failure ofu as a data protocol became a strength when mill] phones finally appeared in the U8. in late 2005. Ely this
`time, the ISM bands had become crowded in the U.S., especially the 2.111 GHZ band which is used by both the most common variants ofWi-
`Fi, 002.'l'lb and 802.11g, and many cordless phones; thus interference between unlicensed devices has become common in these bands.
`However, because Wi—Fi does not operate in the UPCS band and E devices negotiate with each otherforthe available spectrum, not
`only are E61] phones immune from this type ofinterference, their operation does not impair other nearby devices operating on the
`same frequency, which is a common issue with 2.11 GHZ cordless phones.l°"'l""l"“"’”"""""l
`
`Radio links
`
`[edit]
`
`H operates in the 1800-1900 lv'll'lZ band and defines ten channels from ’l001.?'92 MHz to 18E:l?'.3r1:'-I MHz with a band gap of1?'2El kHz.
`|:ach base station trame provides 12 duplex speech channel with each time slot occupying any ot channel. _ operates in
`muIticarrier.fTDMA.-“TDD structure. a also provides Frequency-hopping spread spectrum overTDMA.n"|'DD structure. Iffreguency hopping
`is avoided then each base station can provide up to 120 channels in the I spectrum before frequency reuse. Each time slot can be
`assigned to a different channel in orderto exploit advantages offreguency hopping and avoid interference from other users in asynchronous
`faShiDn_[c.I't.:I2.I'on needed]
`
`E 6.0
`
`[edit]
`
`“fill does not specify a spectrum band, rather it is a marketing term coined by Rick Krupka, Director ofCordless Products at
`Siemens, for: devices manufactured for use in the U3 and Canada. Although :61] operates at 1.9 GHz, he realized the term
`E 1.9 might have confused customers as larger numbers can signify a better (or later) product.
`
`See also
`
`[edit]
`
`

`
`http:r'r’?'r1.125115.132r'search'?g=cache:lEr1‘«oh1llvll-UJ:en.vvil-<ipedia.orgrlvvil-<i.lDigital Enhanced Cordless Telecommunica
`tions+dect+E.D&cd=1&hl=en&ct=clnl<&gl=us
`Dt1i'”23i'2D1D DS:55:52 AM
`————--——
`
`I Generic access profile (GAP)
`I GSlv1lnterv-rorking Profile [GlF')
`- "13
`I CorLJl:Cl
`I Unlicensed Personal Communications Services
`
`I Mobile phone radiation and health
`I Wireless local loop
`I Microcell
`
`I CT2 [DECT's predecessor)
`I WDECT
`
`' Nets
`I Cat—iq
`I Cordlesstelephone
`
`References
`
`General references:
`
`I Tutllebee, Wally H.W. (19%). Cordless Te.lecemmuni'cat.I'ens l-1-’orIcnlriri'o'e. Springer. ISEIN ElTS—354U19ElTII|II|.
`I Phillips, John A.; Mac Namee, Gerard (1998). Persenall-1-’Irei'ess Cemmuni'cati'on I.i1ri'ti’iaa-no’ F'W'i". Artech. ISEIN Q18-DSEIDDESF24.
`- Prof. Dr. yv. lv<o\-valk (2oor-o3-1 3). "Rechnernelze —The H Standard" en. Retrieved zoos-12-29.;-\ summary drthe I standard.
`Specific references:
`1.
`A § Forum (2:10?-U3). "fl Operation and Evolution" or (llilicrosoft Povverpoint (ZIP archive)). pp. 5. Retrieved zoos-us-oi.
`2. “Serious securityyulnerabilities in “wireless telephony‘ i§l. Heise. 2DDS-1 2-29.
`3.
`*‘ Schuler, Andreas; Tevvs, Erik; Weinmann, Ralf—Philipp (2IJUS—1 2-29). deDECTecf.org ER.
`4.
`“ Nohl, Karsten; Teyvs, Erik; Weinmann, Ralf—Philipp (201 D—D4—D4). "Cryptanalysis ofthe - Standard Cipher" IE.
`5.
`1'‘ "Wireless Lr'\Ns: developments in technology and standards" Q. IEE Journal ofComputing and Control Engineering. 1004 10.
`
`External links
`
`I _ Forum i§l at ‘org
`.
`.
`I I irilurrrialiuii i§ at ETSI
`I DECTWeb.com@
`
`I - reaches a New Generation l§ at -org
`I Project for an open source implementation mil?
`
`Categories: Local loop I Broadband I Mobile telecommunications standards
`
`‘I.-'\Ill<imedia Commons has media
`related to. -tyepfloflas
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`[edit]
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