* LGA interface:77Pins
* Network Type:GSM/GPRS
* Dimensions:17.6mm x 15.7mm x 2.3mm
* Frequency Band:
--GSM850/GSM900/DCS1800/PCS1900
* Support GPS/Beidou/GLONASS/Galileo/QZSS/SBAS
* GPS sensitivity
-- Cold start: -148dBm
-- Warm Start: -162dBm
* GPS Transmit Power
-- Class 4 (2W):GSM850 and GSM900
-- Class 1 (1W):DCS1800 and PCS1900
* SMS: TEXT & PDU
* Support embedded TCP/UDP/PPP
* Record and broadcast
* Call
* GPS
* Transmit Power:
--Class 4 (2W):GSM850 and GSM900
--Class 1 (1W):DCS1800 and PCS1900
* Power supply: 3.3V ~ 4.4V (3.8V is recommended)
* SIM interface (3V/ 1.8V)
* UART
* GPIO
* I2C
* SPI
* ADC
* Antenna(RF antenna PAD)
* Audio
* Operation temperature: -40 ℃ ~ 85 ℃
* Storage temperature: -45 ℃ ~ 90 ℃