... , adapter cable ,headset, GPS antenna and document.After the transaction, we will send the EVB schematics and its documents for your reference. ... SIMCom presents an ultra compact and reliable wireless module. The SIM900 Quad-band GSM/GPRS module is part of SIMCom ... and cost-effective solutions. Featuring an industry-standard interface, the SIM900 delivers GSM/GPRS 850/900/1800/1900MHz performance for ...