Brief
TT-1866 GSM Payphone is an outdoor IC Card payphone.It supports GSM 900MHz and GSM 1800MHz dual frequency, and allows user to make and receive phone call via GSM network.
No matter in remote district or somewhere without telephone infrastructure,TT-1866 GSM payphone still enable to offer phone service via GSM network.
Feature
Support GSM 900/1800 MHz dual band service
Reliable operation from microprocessor control
With flash memory system can be easily upgrated
Automatic resend of PIN number for GSM SIM card authentication on power reset.
IC card with SAM Card authentication
Enable to remote upgrade setting or tariff through TTIC payphone management system
Circuit error detection warns error code and suspend service
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