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Basic Function:
Supports PTT ID, Group Call, Individual Call and Listen in Function
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Special Features:
iTALKPTT Software platform supports, voice recording, GPS positioning and history reporting
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System Features:
Can be used for WCDMA / GSM network and can also be used on private WiFi network
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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.
