Supports PTT ID, Group Call, Individual Call and Listen in Function
iTALKPTT Software platform supports, voice recording, GPS positioning and history reporting
Can be used for 2G / 3G / 4G network and can also be used on private WiFi network
Dual Sim Cards:
Dual SIM slots provide the users with the option of redundancy in the event of network or coverage failure, the iTALK450 will automatically switch SIMs to the other 2G / 3G / 4G network.