Detailed Product Description RFID car alarm with GPRS Automobile anti-theft device communication module GPRS as an independent module, the requirements as belows ... been cut off alarms. 6, can SMS check location (GPRS). 7, the initial password is 123456. Can be rewritten ... the system. 10, Industrial TC35I module (GPRS). 11, the control module and GPRS module connected with the connectors can be ...