Brand: Neutral or OEM brand 
Model no.: Etross-8848 4G
Product name: 4G GSM Fixed Wireless Terminal/GSM FWT/GSM FCT/GSM WLL/GSM gateway
Frequencies: 3G UMTS:850/900/1900/2100 MHz , GSM:850/900/1800/1900 MHz,4G B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B26/B28/B66/B71(4G band is optional, just contact with me for the 4G band you request)

General Description:

Etross-8848 4G is a 4G 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,

Connecting the PBX for call extentions,

Connecting the billing systems for public phone use,

Connecting the VoIP gateway to realize VoIP call termination,

Connecting the alarm system for security purpose, etc. It is not a VOIP gateway

Available in 3G Tri-Band UMTS/HSDPA/HSUPA(WCDMA/FDD):850/900/1900/2100 MHz

                 2G Quad-Band GSM850/900/1800/1900Mhz

                 4G (Optional for frequency)

Features and Functions: 
1) Simple to install and easy to maintain 
2) Steady industrial module and reliable design ensures good performance, EC-25, EC-20 module (please tell us the 4G Band you need before place an order so that we can choose the suitable module for you )
3) Provides optimized circuit directly connecting the exchange device for Extensions 
4) Compatible to most telephones, PBX and VoIP gateways (for call Termination) 
5) Connect to Alarm systems to realize wireless alarm(for security use)
6) Strong signals with high gain antenna 
7) Support SIM card (1.8V,3V) 
8) Support DTMF 2'nd dialing out
9) Hide subscriber caller id (been sent out)
10) Provides reversal polarity signal for metering 
11) Suitable for wide voltage range and low power consumption 
12) Suitable for all kinds of weather and environment 
13) Locking PIN / network (optional) 
14) Support IMEI change(optional)
15) Back up li-ion battery(optional)

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) User line, bell signal: In line with GB/T15279 
5) Max power: 0.25W / 0.5W 
6) Consumption: 
A) Immobility: Less than 25mAh 
B) Transmission: Less than 400mAh 
7) Sensitivity: -105dB 
8) Dial tone frequency: 450MHz (standard) 
9) Surrounding temperature: -10°C ~ +40°C 
10) Relative humidity: 45% ~ 90% (without frost) 
11) Atmosphere pressure: 86 ~ 106KPa 
12) Environment noise: <60dB 
13) Antenna amplifying: 3.5dB (omni directional), 12dB (certain direction / 
Chosen direction) 
14) AC power: DC 10V - 20V 
15) Input: AC100 - 230V, 50 / 60Hz 
16) Output: 12V 1A 
17) Switching type / transformer type AC adapter (optional) 
18) Connector of power: US or European type
19) Dimensions (L x W x H) (average): 210 x 135 x 30mm
20) Weight: Full set with AC adapter, antenna and box: 800g 
21) Colors: White/blue/black (optional) 
22) Connection mode: RJ-11 phone sockets 
23) Antenna connection: SMA antenna connection

Photos: