Shenzhen Etross Telecom Co., Ltd.  

Product Name: 900/1800MHz GSM FWT, GSM Gateway, Voice Box Model NO.: 8818 Condition: New Type: GSM Size: 185*135*50mm Weight: 400g Working Frequency: 900/1800MHz Channel: 1 Polarity Reversal: Support Dtmf: Support Back up Battery: Optional Trademark: etross or oem brand Transport Package: 1 Unit/ Box Specification: CE Origin: China(Mainland) HS Code: 8517926300 Product Description General DescriptionGSM FWT-8818 is a GSM to Analog Converter, 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 extensions, to connect billing systems for public phone use, to connect VoIP gateway to realize VoIP call termination, to connect alarm panels for security purpose, etc.Especially, GSM FWT-8818 provide SMS management for SIM credit balance inquiry, Low battery alarm, SMS remote control for alarm panel, and SMS remote control for relay etc. So it is a better choice for alarm security application.Available:L GSM 900/1800MHz dual band, employing SIM500W, SIM300W module to make;L GSM 850/900/1800/1900MHz Quad band, employing Quectel M35 to make.Appearance and StructureItemGSM FWT-8818RemarkAppearanceWhiteMaterialABS (Acrylonitrile Butadiene Styrene)Dimension155mm× 112mm× 30mmExcluding antennaWeight350gWeight of Main unitPower SwitchRocker switchPower Socket12V DC inputPhone interfaceRJ111RJ-11Antenna interfaceSMA-femaleInterface View2, Features: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 environment13) RJ-11 ports14) Locking PIN / network (optional)15) Back up Li-ion battery( Optional) 7.2V 1300mAh. Standby 24hrs, talking time: 2.5hrs.3, Technical SpecificationsAir interface standard: GSM850/1900MHz, 900/1, 800MHz phase 2+ full bandFrequency ranges:A) GSM 850 GSM 1900:I) Transmission: 869.2 ~ 893.8MHz I) Transmission: 1, 930 ~ 1, 990MHzII) Reception: 824.2 ~ 848.2MHz II) Reception: 1, 850 ~ 1, 910MHzB) GSM 900: GSM 1800:I) Transmission: 890 ~ 915MHz I) Transmission: 1, 710 ~ 1, 785MHzII) Reception: 935 ~ 960MHz II) Reception: 1, 805 ~ 1, 880MHzPhone interface: Supply RJ-11 Phone InterfaceHanging voltage: 45VPicking off voltage: 30mA / 41mADialing tone Frequency: 450HzAntenna interface: Antenna amplifying>2.5dBSensitivity: <-104dBmTransmitting power<3WColor: WhiteAC-Adapter interface: Input: AC 110~240VAC 50~60HzOutput: 12DC 1A.AC-Adapter type: EU, US, AU, British can be optional4, Operation Circumstance:Operation temperature: -10c~60CStorage temperature: -20C~70COperation humidity: 45%-95%Atmosphere pressure: 86-106KpaEnvironment noise: <60dBTransmitting Power: 2WSensitivity: <-104dBmAntenna Amplifying: >2.5dBDialing frequency: 450HzHanging voltage: 45VPicking current: 30mA/41mA5, Packing ListNameQuantityRemarkGSM FWT-88181pcsDual band or QuadbandAC- adapter1pcsAC-110-240V, DC12V/1AAntenna1pcsMagnetic Antenna with 3m cableUser's Manual1pcsEnglishG. W: 0.65kg per unit. 20PCS/CTN, 14kg /CTN, CTN Size: 55cmX34.5cmX26.5cm