Brand: ETROSS or OEM brand
Model No.: ETROSS-8888G
Product name: 8 Ports/Channels 64 SIM Cards GSM FWT Fixed Wireless Terminal/GSM FCT Fixed Cellular Terminal/GSM Gateway/GSM WLL/Analog GSM Gateways/GSM Channel Bank/GSM SIM Box/GSM Roaming Terminal

General Description:
Etross-8888 8 Channels 64 SIM Cards 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 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.

Features:
1.Dialing tone
2.DTMF Dialing
3.IP Presetting
4.Has 8 FXS ports
5.Displays caller ID
6.64 SIM Cards' rotation
7.Bell signal,clear voice
8.Comptiable with Asterisk
9.SIM card supported(1.8V,3V)
10.Simple to install and operate
11.Can hide subscriber ID(Optional)
12.Employ Industrial module to make
13.Provides proper reversal polarity for metering
14.Working status and Signal Strength by LED indicator
15.Rotate 64 SIM Cards with IMEI Changeable/Changer
a.HM(Hand Movement) IMEI change via telephone set
b.Automatic IMEI change when SIM rotation
- Rotator by dial-out times
- Rotator by working hours
- Rotator by really clock (4 time oclock)
- Rotator by total talking minutes
16.Compatible to ordinary telephones,PBX,PABX,VOIP gateway,billing system,call-back system
17.It can recognize the SIM Cards that are blocked/locked or without charges by itself and raise the alarm

Technical Specifications
Air interface standard: GSM850/1900MHz,900/1,800MHz phase 2+ full band
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
Phone interface:8 RJ-11 Phone Interfaces
Picking off voltage: 30mA / 41mA
Antenna interface: SMA antenna connection
Transmitting power<3W
Adapter interface:
INPUT:AC 175~260V
OUTPUT:+12V/1000MA

Operation Circumstance:
Operation temperature: -10c~60C
Storage temperature:-20C~70C
Operation humidity:45%-95%
Atmosphere pressure:86-106Kpa
Environment noise: <60DB
Sensitivity: <-104dbm
Antenna Amplifying: >1.5db
Dialing frequency: 450Hz
Hanging voltage: 45V
Picking current: 30mA/41mA

What's included:
1 pcs of 8 ports GSM gateway
1 pcs of power supply
8 pcs of antennas with 3-meter cable
Function setting paper/User manual

Package(Standard carton,1pcs/carton):
G.W:5kg
User's Manual:1pcs
Power Supply Cable:1pcs
GSM Antenna with 3m cable:8pcs
Product dimension:L455x W280 x H45mm
Gift box dimension:L510x W300x H64mm

Warranty: 1 year