8818 GSM Fixed Wireless Terminal with Relay

Etross 8818 GSM Fixed Wireless TerminalBrand: Etross or OEM brandModel No.: Etross-8818Product name: GSM Fixed Wireless TerminalFrequencies: GSM 900/1800MHz, GSM850/900/1800/1900MHz Optional    Features and Functions:1) LCD display GSM FWT, Simple to install and easy to maintain2) Steady module(SIM500W, 300W, Quectel M35) and reliable design ensures good performance3) Provides optimized circuit directly connecting the exchange device for extensions4) Compatible to most telephones, PBX (for call extensions), Alarm panels (for security) and VoIP gateways (for call terminations)5) Strong signals with high gain antenna6) Attractive plastic casing7) SIM card supported (1.8V, 3V)8) Caller ID display9) Provides reversal polarity signal for metering10) No noise and clear voice11) Suitable for wide voltage range and low power consumption12) Suitable for all kinds of weather and environmen13) RJ-11 ports14) Locking PIN / network (optional)Specification:1) Air interface standard: GSM 900 / 1, 800MHz phase 2+2) Frequency ranges:A) GSM 900:I) Transmission: 890 ~ 915MHzIi) Reception: 935 ~ 960MHzB) GSM 1800:I) Transmission: 1, 710 ~ 1, 785MHzIi) Reception: 1, 805 ~ 1, 880MHz3) Channel space: 200kHz4) User line, bell signal: In line with GB/T152795) Max power: 0.25W / 0.5W6) Consumption:A) Immobility: Less than 25mAhB) Transmission: Less than 400mAh7) Sensitivity: -105dB8) Dial tone frequency: 450MHz (standard)9) Surrounding temperature: -10° C ~ +40° C10) Relative humidity: 45% ~ 90% (without frost)11) Atmosphere pressure: 86 ~ 106KPa12) Environment noise: