Analog GSM Gateway(Connect to alarm system for sec

name: gsm fixed wireless terminal/gsm gateway requency: 850/1900mh, 900/1800mhzmodel: etross-8848General 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 locallandline(PSTN) except your calls will go out the GSM network. This device can both receiveand make calls.The main application is: Connecting the RJ-11 FXS line to connect Ordinary telephone setfor voice call, to connect PBX for call extentions, to connect billing systems for publicphone use, to connect VoIP gateway to realize VoIP call termination, to connect alarmsystem for security purpose, etc. It is not a VOIP gateway, nor a GSM+VOIP gateway, It is aGSM Fixed Wireless Terminal that produces a Analog FXS phone line.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.Main advantage: Strong signal, now noise qulity IMEI changeable bycomputer or by manualySIM Card supported(1.8V,3V) Supports DTMF 2'nd dialing out/ DTMF Caller ID Locking PIN / network (optional) Hides subscriber ID (CALLER ID) Backup lithium-ion battery(optional) Connects Alarm systems for security useSketch maps of connecting with telephones,pbx system and VOIP gateway: 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 connectionOperation Circumstance: Operation temperature: -10c 60C Storage temperature:-20C 70C Operation humidity:45%-95% Atmosphere pressure:86-106Kpa Environment noise: <60DBPackage(Standard carton,20pcs/carton): 1)FWT weight: 400g 2)Total weight: 800g 3)Color: White/blue/black(optional) 4)Size(L x W x H): 185 x 135 x 22(mm)