1)Quad-Band 850/ 900/ 1800/ 1900 MHz gsm gprs module
2)Wireless device
3)SIMCOM gsm gprs module , GSM GPRS module

1)Quad-Band 850/ 900/ 1800/ 1900 MHz gsm gprs module ,GSM GPRS module
2)Wireless device

3)SIMCOM gsm gprs module , Quectel module

 SIMCOM presents an ultra compact and reliable wireless module. The SIM900 Quad-band GSM/GPRS module is part of SIMCom’s new Surface Mount Technology (SMT) series, allowing you to benefit from small dimensions and cost-effective solutions.
 850/900/1800/1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption. With a tiny configuration of 24mm x 24mm x 3 mm, SIM900 can fit almost all the space requirements in your M2M application, especially for slim and compact demand
of design.