工作频段 umts: quad band, 850/900/1900/2100mhz hsupa /hsdpa: 850/1900/2100mhz gsm/gprs/edge: quad band, 850/900/1800/1900mhz 大发射功 class 4 (+33dbm ±2db) for egsm/gprs 850 class 4 (+33dbm ±2db) for egsm/gprs 900 class 1 (+30dbm ±2db) for gsm/gprs 1800 class 1 (+30dbm ±2db) for gsm/gprs 1900 class 3 (+24dbm +1/-3db) for umts 2100, wcdma fdd bdi class 3 (+24dbm +1/-3db) for umts 1900, wcdma fdd bdii class 3 (+24dbm +1/-3db) for umts 900,wcdma fdd bdviii class 3 (+24dbm +1/-3db) for umts 850,wcdma fdd bdv 工作温度 正常工作温度：-10°c～+65°c 极限工作温度：-20°c ～+70°c 存储温度：-40°c ～+90°c 电源电压 3.0v～3.6v（推荐值3.3v ） 功耗（电流） 待机模式：<3ma 语音模式(正常)：250ma umts业务 3gpp release 6 hspa data rate－7.2 mbps dl / 2 mbps ul ps data rate – 384 kbps dl / 384 kbps ul cs data rate – 64 kbps dl / 64 kbps ul edge/gprs/gsm业务 edge ? class 12，ul: 236.8 kbps/dl: 236.8 kbps gprs ? multi-slot class 12，ul: 53.6 kbps/dl: 53.6 kbps ? full pbcch support ? mobile station class b ? coding scheme 1 –