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YD/T 1854-2009 2GHz TD-SCDMA Digital Cellular Mobile Telecommunication Network--Test Methods of RRU Equipment via email in VALID please email coc@codeofchina.com for quotation
YD/T 1877-2009 Testing Method for (HRPD)(Phase 2)Air Interface in 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication Networks Network Compatibility via email in VALID please email coc@codeofchina.com for quotation
GB/T 37287-2019 LTE based Broadband Trunking Communication(B-TrunC) system—Technical requirements for interface(Phase 1)—Interface between trunking core network and dispach console 1980 (USD) via email in 1-10 business day VALID
YD/T 1974-2009 Test methods for 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network Broadcast-Multicast service equipment -Access terminal via email in VALID please email coc@codeofchina.com for quotation
YD/T 1645-2007 General Technical Specification for Push to Talk over Cellular Service via email in VALID please email coc@codeofchina.com for quotation
GB/T 37290-2019 LTE based Broadband Trunking Communication(B-TrunC)system—Technical requirements for interface(Phase 1)—Uu-T interface 720 (USD) via email in 1-5 business day VALID
GB/T 16611-2017 General specification for radio data transmission transceiver 720 (USD) via email in 1-5 business day VALID
YD/T 1677-2007 Technical Requirement for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment:High Rate Packet Data (Phase Ⅱ)Access Network via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1312.1-2004 Repuirements and measurement methods of electromagnetic compatibility for radio communication equipment Part 1:common technical requirements 270 (USD) via email in 1-3 business day ABOLISHED
YD/T 3252-2017 Technical requirements for digital cellular mobile terminals supporting IPv6 via email in VALID please email coc@codeofchina.com for quotation
YD/T 1722.1-2007 Technical Specification for 2GHz TD-SCDMA Digital Cellular Mobile Communication Network:HSDPA Uu Interface Layer 2 Part 1:MAC Protocol via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 15836.1-1995 Technical requirements and testing methods for 450MHz same-frequency simplex train radio dispatching communication equipment locomotive station 315 (USD) via email in 1-3 business day ABOLISHED
YD/T 1779-2008 Testing Methods of TD-SCDMA/GSM(GPRS)Dual Mode Digital Mobile User Equipment 570 (USD) via email in 1-5 business day ABOLISHED
YD/T 1851-2009 2GHz TD-SCDMA Digital Cellular Mobile Telecommunication Network Technical Requirements of BBU Equipment 330 (USD) via email in 1-3 business day VALID
YD/T 1679-2007 Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Network Equipment:High Rate Packet Data(Phase Ⅱ)Access Terminal via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1847.8-2009 Technical Requirement for Iub interface of 2GHz TD-SCDMA Digital Cellular Mobile Communication network HSUPA Part 8: User plane protocol for DCH data streams via email in VALID please email coc@codeofchina.com for quotation
YD/T 1553-2009 2GHz WCDMA digital Cellular Mobile Telecommunication Network Test Method of RAN Equipment(Phase 3) 4125 (USD) via email in 1-10 business day VALID
YD/T 2873.2-2017 Technical requirements of high-rate ultra wideband wireless communication system based on carriers - Part 2: Physical layer of single carrier air interface via email in VALID please email coc@codeofchina.com for quotation
YD/T 1855-2009 2GHz TD-SCDMA Digital Cellular Mobile Telecommunication Network Technical Requirements of Ir Interface via email in ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1977-2009 Measurement method for Radiated RF power and receiver performance of 2GHz TD-SCDMA mobile stations via email in please email coc@codeofchina.com for quotation
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