Feature:
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. LED lights show the signal, standby, working status and other information
14. Support power off work (need built-in battery) ,we do not ship with battery in.
1.Networks support:
Quad-band GSM 850/900/1800/1900MHz 2G Networks
Note: please kind choose model which can compatible with your country Frequency range
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)
Peak power: 2 W
Power consumption: Static ≤ 25 mA, emission ≤ 600 mA
Sensitivity: -104 dB
Internal voltage: DC 5V (12V optional) / 1A
Ambient temperature: 0 DegC ~ + 40 DegC
Humidity: (without condensation conditions) 45% to 90%
Atmospheric pressure: 86 ~ 106 Pka
Environmental Noise: