GSM FWT Fixed Wireless Terminal with Changeable IM

Brand: Etross or OEM brand Model No.: Etross-8848G Product name: GSM FWT fixed wireless terminal/GSM gateway/GSM FCT fixed cellular terminal/GSM WLL/Analog FXS Gateway/Voice Call termination Frequencies: Quad band 850/900/1800/1900MHz Dual band 900/1800MHz General Description: Etross-8848 is a GSM to Analog Converter(single port, insert 1 sim card only), the device can produce a FXS line to allow a regular phone to be connected and used just like a local landline(PSTN) except your calls will go out the GSM network. This device can both receive and make calls. The main application is: Connecting the RJ-11 FXS line to connect Ordinary telephone set for voice call, to connect PBX for call extentions, to connect billing systems for public phone use, to connect VoIP gateway to realize VoIP call termination, to connect alarm system for security purpose, etc. It is not a VOIP gateway, nor a GSM+VOIP gateway, It is a GSM Fixed Wireless Terminal that produces a Analog FXS phone line. Sketch maps of connecting with phones,voip gateways and PBX system: Available: GSM 900/1800Mhz dual band, employing Wavecom Q2303A, Q2403A Sim300W module to make; GSM 900/1800/1900Mhz Tri-band, employing Sim300z module to make; GSM850/900/1800/1900Mhz Quadband, employing Sim340z module to make. Advantages: 1)Strong signal 2)IMEI changeable 3)SIM Card supported(1.8V,3V) 4)Supports DTMF 2'nd dialing out 5)Locking PIN / network (optional) 6)Hides subscriber ID (been sent out) 7)Backup lithium-ion battery(optional) 8)Connects Alarm systems for security use 9)Provides reversal polarity signal for metering 10)Compatible to most telephones, PBX and VoIP gateways 11)Provides optimized circuit connecting the exchange device for Extension 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) Max power: 0.25W / 0.5W 5) Consumption: A) Immobility: <25mAh B) Transmission: <400mAh 6)Input: AC100 - 230V, 50 / 60Hz 7)Output: 12V 1A 8) Sensitivity: -105dB 9) AC power: DC 10V - 20V 10) Dial tone frequency: 450MHz (standard) 11)Connector of power: US or European type 12)User line, bell signal: In line with GB/T15279 13) Switching type / transforming type AC adapter (optional) 14) Antenna amplifying: 3.5dB (omni-direction), 12dB (certain direction/chosen direction) 15)Connection mode: RJ-11 phone socket 16)Antenna connection: SMA antenna connection Operation Circumstance: Operation temperature: -10c 60C Storage temperature:-20C 70C Operation humidity:45%-95% Atmosphere pressure:86-106Kpa Environment noise: <60DB Package(Standard carton,20pcs/carton): 1)FWT weight: 400g 2)Total weight: 800g 3)Color: White/black(optional) 4)Size(L x W x H): 185 x 135 x 22(mm)