... 1800/1900MHz for personal/pet/vehicle 1.Network: GSM/GPRS2.GSM/GPRS module: SIMCOM SIM900\SIM300 (customized)3.Band ... status, number of satellites, length of GPRS string, GSM ID (includes MCC, MNC and cell ID) 3 ... performance 9 It is much easier to modify software 10 TK106 has traffic mode and sleep function, ... TK106 will sleep to save power 11 Based on GSM/GPRS and GPS network, can locate and monitor ...