8 channels GSM gateways

Brand: Etross or OEM brand
Model no.: Etross-8888
Product name: 8 ports GSM Fixed Wireless Terminal/GSM gateways
Frequencies: GSM850/1900Mhz,900/1800Mhz

Features:
It is a 8 channels GSM Gateway that has 8 ports FXS interfaces.
It can connect with ordinary telephone set,PBX or VOIP Gateway,call back system etc.
Dialing tone frequency:450hz
Employ Industrial module (sim300/340) to make
SIM card supported (1.8V, 3V)
Caller ID display
DTMF Dialing
Bell signal
Polarity reversal
The RJ-11 socket which connect the phone or billing system for metering purpose
Antenna socket (SMA)
IP Presetting.

Hide outgoing caller identity (optional)

IMEI change( optional)
Working status indicator
Signal Strength indicator

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: supply RJ-11 Phone Interface
Hanging voltage: 45V
Picking off voltage: 30mA / 41mA
Dialing tone Frequency: 450Hz
Antenna interface: Antenna amplifying>1.5db
Sensitivity:<-104DBM
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
Transmitting Power:2W
Sensitivity: <-104dbm
Antenna Amplifying: >1.5db
Dialing frequency: 450Hz
Hanging voltage: 45V
Picking current: 30mA/41mA

Package:
Product dimension: L455x W280 x H45mm
Gift box dimension: L510x W170x H64mm
G.W: 4.5kg