Brand: Etross or OEM brand (Forward GSM call to PSTN/PSTN call to GSM) Model No.: Etross-8848GSM/PSTN Product name: GSM/PSTN FWT fixed wireless terminal with LCR/GSM to PSTN Gateway/GSM FCT fixed cellular terminal with PSTN/GSM to PSTN phone line converter Frequencies: Dual-band: 900/1800MHz Quad-band: 850/900/1800/1900MHz
Description: Etross-8848GSM/PSTN with LCR has the function of choosing the route automatically.
When you dial out from the device, it will check the prefix number. You just need to preset it in the unit, then it will call out through GSM/PSTN according to the presetting rules. Also, both GSM and PSTN support call-in.
When you are in calls through GSM line, if another call arrives at PSTN, the caller will hear busy tone, and vice versa.
If you don't connect the PSTN line, it will dial out from your mobile SIM without distinguishing at high cost.
If the SIM card is not in its position or GSM network is no signal, it will dial out from PSTN line.
Advantages: 1)Strong signal 2)IMEI changeable 3)Backup lithium-ion battery 4)SIM Card supported(1.8V, 3V) 5)Supports DTMF 2'ND dialing out 6)Locking PIN / network (optional) 7)Hides subscriber ID (been sent out) 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 12)Auto-select economic route(Low-cost routing LCR function) 13)When GSM is unavailable, calls will be forced to dial out from PSTN. 14)When not connecting to PSTN line, GSM will provide the forced dial-out function.
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
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