Features:
1. No need to invest in ground wire line, use GSM mobile phone SIM card, easy to install
2. Support international and domestic, local, fixed / mobile voice services
3. does not change the original dial-up habits, and ordinary telephone landline operating habits of the same
4. With a reverse polarity signal, you can access the meter or use the computer meter
5. Built-in watchdog duty circuit, automatic detection of equipment operating status, automatic restart failure
6. DTMF transmission, caller ID
7. Standard communication voltage, can be connected with the user switch (PABX)
8. Automatic IP function, multiple IP settings
9. Fixed long-distance automatic insertion of the calling IP prefix, such as 17951,17911,193 and so on
10. International, domestic, local calls and other types of access settings
11. Default local area code, local number and prohibited numbers or numbers
12. Encryption settings, such as PIN code, PUK code encryption card lock function
13. LCD display show the signal, standby, working status and other information
14. Support power off work (need built-in battery)

Following are the key technical specifications of this terminal:

1.Networks support:

Two-band  GSM 900/ 1800MHz        2G Networks,

Quad-band GSM 850/900/1800/1900MHz  2G Networks

Note: please kind choose model which can compatible with your country Frequency range

 Attention:

1. It is DTMF（Dual Tone Multi Frequency）,do not support FSK（Frequency-shift keying）. 

2. This list price is suitable for 2G Networks.before you order,please check Frequency band of your Operators

3. If you need WCDMA 3G/4G GSM ,please visit my shop other list to order 3G or 4G item.

Work with all GSM SIM cards network over the world !!!12V/5V Version !!!
While the GSM Gateway is installed with a SIM card, it can fucntion as a mobile phone
device. Normal analogue telephony devices (e.g. Cordless or Desktop Phone / FXO / PBX / VoIP
equipment, etc.) could be connected to this GSM gateway. All the calls or communications
will be accessed and transmitted via GSM network instead of traditional Copper Phone Wires.

The GSM Gateway provides mobile-to-mobile call technology, which could replace the
traditonal regular landline operator's landline to a mobile number service.
Comparing with landline-to-mobile call, such mobile-to-mobile call is much cheaper,
therefore buyers can save money by making calls or communications via GSM network.

Portable Telephone System anywhere!!
No matter where your home/office located, if there is GSM network available, our GSM gateway
could deliver all incoming or outgoing calls to your telephone system via GSM networks. you
can save money from installing telephone landline and no need to pay expensive communication
costs.

PBX system enhancement!!
New connections for PBX system always requires huge investment, the GSM gateway provides a
cheaper, faster easier way for your upgrade. Therefore, by installing our GSM gateway to the
PBX system (orginally installed with landline connections), you can enhance your PBX system
with Landline and Mobile connections options. So, you can choose to make calls to other
mobile numbers via the GSM gateway mobile connection to save money.

Summary of Benefits:
Saving money from making calls via GSM network.
Reducing cost by choosing the cheapest mobile service providers and cheapest service plans with changing SIM cards only.
No more landline wiring, connect the telephone system to our GSM gateway, all your home/office incoming or outgoing calls would be tranmitted via mobile GSM network.
Transparent to your existing telephone system, therefore your exisitng telephone system will provides the same functions without further complex configurations. (e.g. incoming caller ID display, logs, speed dialing etc.)
No worry for poor network coverage areas by installing a directional higher gain antenna.
No down time & providing a backup connection, even if your landline connection is interrupted, your telephone system could make calls or communications via the GSM network with our GSM gatway.
Easy to install and configure.

2.       Frequency range:

GSM 850MHz (transmits: 824-849MHz, receives: 869-894MHz)

GSM900MHz (transmits: 890-915MHz, receives: 935-960MHz)

GSM 1800MHz (transmits: 1710-1785MHz, receives: 1850-1880MHz)

GSM 1900MHz (transmits: 1850-1910MHz, receives: 1930-1990MHz)

CDMA 800MHz (transmits: 824.04-848.97MHz, receives: 869.04MHz-893.97MHz)

3.       Voltage: DC 5V-12V/1A, AC 100-240V 50-60 Hz

4.       Stand by hours: 48 hours

5.       Talk time: 2-6 hours

6.       Charging time: 6 hours

7.       Power consumption: static≤25MA   emission≤SOOMA

8.       Peak power consumption: 0.25W/0.5W

9.       Receive sensitivity: -104db

10.   Antenna increment: all directions: S.Odb certain/selection: 12db

Total weight: 550g

Package list:

1 x DC adapter (12V/1A)  (USA with US plug ,Europe with EU plug ,Australia will come with AU power plug)

1 x special antenna

1 x telephone line

1 x user manual (English)