GSM модули, стр. 2

3,0 - 3,6 4 3,3 - 4,2 2 3,4 - 4,2 9

GSM 900/1800 TD-SCDMA:B34/B39 WCDMA: B1/B8 4 GSM/GPRS 850/900/1800/1900 5 GSM/GPRS 850/900/1800/1900 2 GSM/GPRS/EDGE 850/900/1800/1900 WCDMA 900/2100 4

MDM9207 4 MT6261D 2 MT6261M 2 MT6280 4 MTK2503A 1 MTK2503D 2

PCM, UART, ADC, GPIO 1 PCM, UART, ADC, GPIO, I2C 2 PCM, UART, ADC, GPIO, USB 1 PCM, UART×2, High speed UART, USB, SDIO, SPI, I2C 4 UART, GPIO, USB, ADC, SDIO, PCM, SPI, I2C 4 UART, I2C, ADC, GPIO, USB 3

MOBILETEK 20