Dispatch of sina science and technology news in March 6th, China Telecom (micro-blog) is about to sell iPhone 4S using frequency defined, for the two frequency band, 30MHz, a minimum of 1920 ~ 1935MHz, in 3G coverage has certain advantages.
Various versions of iPhone 4S running frequency previously,china wholesale items, March 2nd zero hour, electric version of the iPhone4S officially launched the appointment, the user can in China Telecom authorized stores and online business hall option contract plan.
At present, China Unicom (micro-blog) and China Telecom have been iPhone 4S marketing rights, China Mobile (micro-blog) also known as the user can use the iPhone 4S, China Mobile chairman Wang Jianzhou also just in the NPC and CPPCC said during the "China Mobile Internet has run 15000000 iPhone".
However, China Mobile has not obtained any iPhone franchise, iPhone 4S can only run on 2G frequency, the online operation of the iPhone 4S types and sources are also unclear, the industry is expected to the majority of smuggled goods.
In the operating frequency, it is reported, China Mobile Internet iPhone 4S the lowest frequency, but this is because China Mobile iPhone 4S network can only use 2G, not 3G TD edition; China Unicom's iPhone 4S runs on 1955MHz 1940 ~ (up) / 2130 ~ 2145MHz (downlink), including 15MHz * 2; China Telecom iPhone 4S frequency is 1920 ~ 1935MHz (uplink) / 2110 ~ 2125MHz (downlink), a total of 2 15MHz X.
In contrast, China Telecom's iPhone 4S frequency slightly lower, with China Mobile's iPhone 4S using frequency are not comparable, because both sides using a 3G network,wholesale electronics chinaWoman cheating million yuan after reentry business ten years was captured, a 2G network, use the experience are not the same.
Electric version of the iPhone 4S and the U.S. version of the same model at present, the China Unicom and telecom iPhone 4S whether the same industry, has been the topic of debate.From the American three big operators sell situation, the U.
S. version of iPhone 4 did not distinguish between CDMA version and WCDMA version.Three big operators on iPhone 4S supports both CDMA and GSM network, is a global mobile phone (a dual card dual standby), at the same time, the U.
S. version of iPhone 4S by using the improved antenna design, to allow the antenna to the sending and receiving between intelligent switching, enhance the communication quality.In China, China Telecom iPhone4S and US version iPhone 4S in equipment models with A1387, is the US version iPhone4S of the same product, both general.
China Unicom's iPhone 4S model for A1431, accordingly, China Telecom has been called "the same apple, not the same taste" slogan, the version of the iPhone4S, telecom and Unicom's iPhone 4S not the same, because the electric version of iPhone4S running on the CDMA network, is considered more environmentally friendly.
It is reported, formally schedule, China Telecom's CDMA will be "green" as the electric version of the iPhone 4S important selling point.According to the high said earlier, CDMA mobile phone maximum transmitting power of only 200 MW,china free shipping, common calls during power can be controlled within a few tenths of MW, radiation is very small, and the mobile phone, transmit power and reduce the receiving sensitivity improvement, extension of mobile phone talk time, to prolong the battery life of mobile phone and.
(Lin Lin) to share: > iPhone 4S reports: telecommunication channel details: home appliances mobile phone chain full participation of Beijing telecommunication iPhone 4S first day booking quantity break
10000 electric version of the iPhone 4S initial appointment ultra anticipated purchase of two per person of telecommunications version of iPhone 4S online booking experience (group of pictures) China Telecom
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