Very good quality and very cheaper. Features: *locking onto a specified gsm carrier and service area is programmable * support sim card locking (terminal refuses to take any other sim card except the one set to be accepted) * designed for low power consumption and support li-ion battery and external dc adapter * powerful encryption to ensure high security of data * capable to retain operational parameters and data upon power breakdown * provided with super password to access engineering[...]

The design of the TLD SX01G-8WAYS FWT is to supply a standard sound phone in the area of the GSM Cell Network covering. The interface board of the TLD SX01G-8WAYS FWT supply a clear 8 channels bond between standard phone or a VOIP GATEWAY or A PBX and GSM Cell Network it possesses the function of the emulation phone exchanger and supply: Features: Dialing tone with 450hz DTMF Dialing Bell signal Polarity reversal The RJ-11 socket which connect the phone or the payment Antenna socket[...]