GSM 850/900/1800/1900 MHzLED indicators for singal strengh, network and powerReverse polarity signal supportingDtmf and pules dialingBattaries back-upSMS (optional)Payphone metering pulse supporting (optional)GPRS data transmission (optional)
GSM 850/900/1800/1900 MHz
LED indicators for singal strengh, network and power
Reverse polarity si
Model Number:GSM-TIT603 Brand Name:OEM Place of Origin:Guangdong China (Mainland) 1port GSM fixed Cellular terminal GSM 900/1800MHz; 850/1900MHz 1 port Connect with PBX ...
Come From Shenzhen Think Century Information Technologies Co., Ltd.
COLOR:blue / black Model Number:TIT-603 Brand Name:OEM Place of Origin:Guangdong China (Mainland) GSM fixed Cellular terminal GSM 900/1800MHz; 850/1900MHz 1 port Connect with PBX ...
Come From Shenzhen Think Century Information Technologies Co., Ltd.
GSM FWT with 4 bands(850/900/1800/1900MHz), No noise&Clear voice Caller ID Display Provide reversal polarity signal for meter ...
Come From Unitecom Co., Ltd.