very cheap Longsung A7000 gsm module

Detailed Product Description

Longsung A7000 cheap FWP gsm module

General features Dual-band GSM 850/1900 MHz or GSM 900/1800 MHzCompliant to GSM phase 2/2+ Output power: Class 4 (2 W) for GSM850,EGSM900 Class 1 (1 W) for DCS1800,PCS1900Supply voltage range 3.5V-- 5V Low Power consumption Dimensions:  40.4 x 30 x 2.85 mmWeight: 7.3g Soldering mounted typeUltra Low cost solution Operation temperature: 25 °C--+70 °C  Specifications for SMS via GSM Point-to-point MO and MT SMS cell broadcast Text and PDU mode  Specifications for voice Tricodec -         Half rate(HR)  -         Full rate(FR)  -         Enhanced full rate(EFR) Hands-free operation(Echo suppression) AMR  -         Half rate(HR)  -         Full rate(FR)  Interfaces Interface to external SIM 3V/1.8V Two analog audio interfaces RTC backup Serial interface and debug interface LCD interfaceKeypad interface Antenna connector and antenna pad  Applications Fix wireless terminal Fix wireless phone