CDMA Gateway with Back up battery Ruim support CDMA Gateway
1.Products Name:CDMA FWT Fixed Wireless Terminal Gateway 800MHz/1900mhz.
2.Model Number:Ietross-8848 CDMA.
CDMA FWT-8848 is a CDMA to Analog Converter(single port,insert 1 Ruim card only), 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 CDMA network. This device can both receive and make calls.
The Condition of Installation
The terminal asks for 110- 220V AV power supply. It must be installed in the area where the
CDMA network can cover. The strength of the signal can affect the quality of voice.
The sketch for connecting




Features and Functions
1) It is a 1 channel CDMA Gateway that has 1 port FXS interface
2)It can connect with ordinary telephone set, PBX, VOIP Gateway, Billing meter etc.
3)Dialing tone frequency:450 MHz
4)Employ industrial module ZTE 8331 to make
5)Can adjust dial interval from 0.5sec to 9 secs by setting up from telephone set
6)can adjust voice volume by setting up from telephone set
7)SIM card supported (1.8V,3V)
8)Caller ID display
9)DTMF dialing
10) Bell signal
11) Polarity reversal
12) The RJ-11 socket which connect the phone or billing system for metering purpose
13) Antenna socket ( SMA )
14) IP presetting
15) Working status and signal strength by LED indicator
Technical Specifications
Air Interface standard: CDMA 800Mhz/1900mhz
Frequency ranges:
Air interface standard: CDMA 800/1900Mhz 2000 1x(backward IS-95A/B)
CDMA 800Mhz
CDMA 1900:
I) Transmission: 824 ~ 849MHz I) Transmission: 1, 850 ~ 1, 910MHz
Ii) Reception: 869~ 894MHz
Ii) Reception: 1, 930 ~ 1, 990MHz
Phone Interface: supply RJ-11 Phone Interface
Hanging voltage: 45V
Picking off voltage: 30mA / 41mA
Dialing tone frequency: 450Hz
Antenna interface:Antenna amplifying > 2.5dB
Sensitivity: < -104dBM
Transmitting power: <3W
AC-Adapter interface: INPUT: AC 110 ~ 240V OUTOUT: 5V 7A
AC-power type: EU,US,AU,British can be optional
Packing List
Name | Quantity | Remark |
CDMA FWT-8848 | 1pcs | 800Mhz or 800/1900Mhz |
Ac- adapter | 1pcs | AC-110-240V, DC12V/1A |
Antenna | 1pcs | Magnetic Antenna with 3m cable |
User's Manual | 1pcs | English |
G.W: 0.75kg per unit. 20pcs/CTN, 16kg /CTN,CTN Size: 55cmX34.5cmX32.5cm


