Features:

*Dialing tone with 450hz
*DTMF Dialing
*Bell signal
*Polarity reversal
*The RJ-11 socket which connect the phone or the payment
*Antenna socket (FME)
*IP usage switch
*Working state indicator
*Signal Strength indicator

Technical Specifications

GSM Module Dual band GSM 850mhz/900mhz/1800mhz/1900MHz
Phone interfacesupply RJ-11 Phone Interface

Hanging voltage:45V Picking off voltage30mA/41mA

Dialing tone Frequency450Hz

Antenna interface Antenna amplifying 1.5DB

Sensitivity  -104DBM

Transmitting powerd3W

Adapter interfaceINPUTAC 175~260V

OUTPUT+12V/1000MA

Operation Circumstance:

Operation temperature-10 ~ 60

Storage temperature-20 ~ 70

Operation humidity45% —95%

Atmosphere pressure86 —106Kpa

Environment noise 60DB

Transmitting Power: 2W

Sensitivity: 1.5db

Dialing frequency: 450Hz

Hanging voltage: 45V

Picking carrent: 30mA/41mA