etross-8818 GSM FWT with payphone

Descripción del producto

MAIN FUNCTION &FEATURES 1. Simple to install and easy to maintain 2. Steady module & reliable design ensures good performance 3. Provide optimized circuit directly connecting the exchange device for extensions 4. Automatic IP dialing with long-distance-call identification 5. Compatible to most telephones, PABX & VOIP gateways 6. Strong signals with high gain antenna 7. Attractive Plastic casing 8. SIM card locked (optional) 9. Caller ID *0. Provide reversal polarity signal for metering *1. No noise &Clear voice *2. Suitable for wide voltage range &Low power consumption *3. Suitable for all kinds of weather & environment *4. Two extension lines allowed or Wireless to wire(connection to PSTN) (Optional) *5. Can be connected by alarm system SPECIFICATIONS 1.Air Interface Standard GSM **0/***0 MHz Phase 2+ 2.Frequency Ranges Transmit Receive GSM **0 **0~**5MHz **5~**0MHz GSM ***0 ***0~***5MHz ***5~***0MHz 3.Channel Space **0KHz 4.User line, bell signal In line with GB/T****9 5.Max Power 0. *5W/0.5W 6.Consume Immobility less than *5MA,Transmission less than **0MA 7.Sensitivity ***5db 8.Dialtone frequency **0Mhz 9.Surrounding Temperature **0 degree*- **0 degree Relative humidity:*5% *- *0%(Without frost) *0.Atmosphere Pressure *6 *- **6Pka *1.Environment Noise <*0db *2.Antenna Amplifying 3.5db(omni directional), *2db(certain direction /chosen direction ) *3.AC Power DC*0V *0V *4.Connector of Power China *5.Dimensions (L*W*H) Average **5***5**2(mm) *6.Weight FWT **0g, full set with ac-adapter &antenna &box **0g *7.Color White and blue (Optional) *8.Connection Mode RJ**1 phone jack *9.Antenna Connection SMA Antenna Connection.