CDMAMODULE
DUAL-BAND800/1900MHZ

CDMA2000 1XRTT (IS-2000) - (Dual Band) 
Band class 0 (TX: 824 ~ 849 MHz/ RX: 869 ~ 894 MHz) 
Band class 1 (TX: 1850 ~ 1910 MHz/ RX: 1930 ~ 1990 MHz)
Data rates up to 153 kbps forward and reverse

perating Voltage: 3.8 V to 4.2 V (3.7 nominal) 
Output Power: 0.63W AMPS; 0.35W CDMA 
Current consumption: 
4 mA (in Sleep Mode),
Up to 670 mA (PCS Rx/Tx full Power)

Differential Audio
1 ringer / buzzer output 
2 Analog audio (microphone speaker)

PCM Audio Interface
USB (population option); external transceiver required 
Up to 2 serial UARTS
USB (external transceiver required) 
3V with R-UIM detection (5V with external level shifter)
Power supply
Keypad (5x5 matrix) 
ADC
31 GPIO