Конкурсная GSM шлюз / Преобразование GSM ТфОП /

Brand: Etross or OEM brand Model no.: Etross-8848G Product name: GSM Fixed Wireless Terminal Frequencies: GSM850/1900Mhz 900/1800Mhz GSM FWT/GSM fixed wireless terminal/GSM gateway Features and Functions: 1) Simple to install and easy to maintain 2) Steady industrial module and reliable design ensures good performance 3) Provides optimized circuit directly connecting the exchange device for Extensions 4) Compatible to most telephones, PBX and VoIP gateways (for call Termination) 5) Connect to Alarm systems to realize wireless alarm(for security use) 6) Strong signals with high gain antenna 7) Support SIM card (1.8V,3V) 8) Support DTMF 2'nd dialing out 9) Hide subscriber caller id (been sent out) 10) Provides reversal polarity signal for metering 11) Suitable for wide voltage range and low power consumption 12) Suitable for all kinds of weather and environment 13) Locking PIN / network (optional) 14) Support IMEI change(optional) 15) Back up li-ion battery(optional) Specifications: 1) Air interface standard: GSM850/1900Mhz,900/1,800Mhz phase 2+ full band 2) Frequency ranges: A) GSM 850 GSM 1900: I) Transmission: 869.2 893.8MHz I) Transmission: 1, 930 1, 990MHz Ii) Reception: 824.2 848.2MHz Ii) Reception: 1, 850 1, 910MHz B) GSM 900: GSM 1800: I) Transmission: 890 915MHz I) Transmission: 1, 710 1, 785MHz Ii) Reception: 935 960MHz Ii) Reception: 1, 805 1, 880MHz 3) Channel space: 200kHz 4) User line, bell signal: In line with GB/T15279 5) Max power: 0.25W / 0.5W 6) Consumption: A) Immobility: Less than 25mAh B) Transmission: Less than 400mAh 7) Sensitivity: -105dB 8) Dial tone frequency: 450MHz (standard) 9) Surrounding temperature: -10°C +40°C 10) Relative humidity: 45% 90% (without frost) 11) Atmosphere pressure: 86 106KPa 12) Environment noise: <60dB 13) Antenna amplifying: 3.5dB (omni directional), 12dB (certain direction / Chosen direction) 14) AC power: DC 10V - 20V 15) Input: AC100 - 230V, 50 / 60Hz 16) Output: 12V 1A 17) Switching type / transformer type AC adapter (optional) 18) Connector of power: US or European type 19) Dimensions (L x W x H) (average): 185 x 135 x 22mm 20) Weight: Full set with AC adapter, antenna and box: 800g 21) Colors: White/blue/black (optional) 22) Connection mode: RJ-11 phone sockets 23) Antenna connection: SMA antenna connection