GSM FWT 1.Applied to the GSM Network-Voice call,connect to a telephone 2.Provide polarity reversal signal 3.FSK/DTMF Optional

1 Port GSM Gateway & GSM FWT Black Box for Operator Business

DESCRIPTION:

Features:

-Applied to the GSM Network -Voice call, connect to a telephone;

-Volume adjust, CLID -State and operation indicators.

Main Function:*GSM cellular network outgoing.*GSM cellular network incoming.*DTMF caller ID*Support secondary dial.*Send 16KHz pulse for billing meter while connection.*Send polarity reversal signal for billing meter while connection.*RS-232 Inerfact;perform wireless GPRS cooperate with PC.(Optional)*Rechargeable battery,keep conversation for at least 2 hour when out of mains supply.(Optional)

Technical Parameters: -Extern power supply: Input 100~240VAC 50/60Hz,Output:DC12V-Operation frequency: E-GSM 900 / 1800 GSM. -Environment humidity:35%~95% -Environment temperature:-10C~+55C-Feeding bridge: 48 VDC (according to model), maximum 30 mA. -Ring generation: 25 Hz/90V -Dial invitation tone: 450 Hz