1. Combination of coin and chip card payphone2. Basic coin payphone with the ability to upgrade to combi payphone3. Able to upgrade to GSM wireless payphone4. Distinguish more than 8 kinds of coins wi

GSM 850/900/1800/1900MHz four bandsGSM/GPRSMetering pulse of reverse polarityExternal antennaEasy installation and maintenanceWireless fixed Cellular Terminal for PABX, Call shops, rural areas communi

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 (

GSM 850/900/1800/1900MHzConnecting metering box for payphone useUser-friendly installation; Plug & Play2-phone connectionLED indicators for signal strength, status and powerSIM Card locking and Networ

1. GSM 900/1800MHz2. DB9 connector for PC connection3. Metal case and wall mount design4. Greater features for programming5. Supporting 12KHz/16KHz/reverse Polarity signal6. SIEMENS TC35i GSM Engine i

1. GSM 900/1800MHz2. English display3. Back-up battery4. Caller ID5. SIM Card/Network locking

1. GSM 900/1800/1900(Optional)2. Wireless Fax transmission/receiving with voice3. Thermal transfer technology(in thermal paper)4. Back-up battery (optional)5. Could be used in car(via car battery)6. P

1. GSM 900/1800MHz2. Two-side LCD display3. SIM Card/Network locking4. Back-up batteries5. Optional Solar panel back-up power6. Optional Wireless management software7. E-Purse control

MAIN FEATURES1.User-friendly installation; Plug & Play2.LED indicators for signal strength, status and power3.Reverse Polarity signal support4.Two standard RJ11 ports one for analog phones & the other