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TFESP GSM-GPRS - GSM 2G interface

GSM 2G interface for the telephone communicator TFCOM Transmission formats: Voice, SMS, Ring, DTMF, Data – AES 128 bit and AES 256 bit data encryption – Independent passphrase for each channel – Automatic airtime request for prepaid SIM cards – Plug-in connection to TFCOM board EN 54-21:2006 – Certification number 0051-CPR-0454 (approved for use with TFA1-298, TFA2-596 and TFA4-1192 control panels)
EN 54-21:2006 - Certification number 0051-CPR-0454 (approved for use with TFA1-298, TFA2-596 and TFA4-1192 control panels)

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TF2TFESPGSMGPRS GSM 2G interface for the telephone communicator TFCOM - EN 54-21