Fixed Terminal, Quad Band GSM SIM Card Phone Line Desktop Caller ID Dialer GSM850/900/1800/1900MHZ with LCD Backlit Display for Telephone Landlines, Alarms, Recording Boxes, 5V — Open-Box, 57% Off

【STRONG RECEIVING ABILITY】Our terminals are easy to operate, have strong receiving ability, clear call settings, long service life and stable performance. Adopt industrial communication module, cooperate with high-quality to enhance the antenna, the is relatively strong, and the call quality is clear and stable.Adopt anti-noise circuit design, anti-noise and anti-interference. 【HIGH PERFORMANCE】Use GSM 3G, WCDMA 4G LTE network to run. Using this terminal to connect with ordinary wired desk phone and standard SIM card, you can make local, domestic and international calls. International, domestic, local calls and other types of access settings. Preset local area number, local segment and forbidden dialing number or segment. 【STANDARD DTMF INPUT DISPLAY】Do not change the old dialing habits, the same as ordinary telephone landline habits. Easy to install. No need to invest in ground wire line, use GSM mobile phone SIM card. Encryption settings, such as PIN code, PUK code encryption card lock function. In addition to the standard caller ID, you can also use standard DTMF input to avoid problems such as missing numbers and other missing numbers 【BUILT-IN WATCHDOG DUTY CIRCUIT】Built-in watchdog duty circuit, automatic detection of equipment operating status, automatic restart failure. With a reverse polarity , you can access the meter or use the computer meter. LED lights display information such as , standby status, working status, etc. 【EASY TO INSTALL & WIDE APPLICATION】No need to invest in ground wire line, use GSM mobile phone SIM card, easy to install, won't take too much time. Widely used in remote villages, mountainous areas, houses with weak , public telephone shops, offices, telephone sales, ships, trains and other mobile places.

Specification:
Item Type: GSM Fixed Wireless Terminal
Material:ABS
Voltage: 100-240V
SIM Card: No Need to Invest in Ground Wire Line, Use GSM Mobile Phone SIM Card. Easy to Install
Support Business: Support International and Domestic, Local, Fixed, Mobile Voice Services
Operating Habits: Do Not Change the Original Dialing Habits, the Same As Ordinary Telephone Landline Operating Habits
Reverse Polarity : with Reverse Polarity , Can Be Connected to Meter or Use Computer Meter
Automatic Detection: Built in Watchdog Duty Circuit. Automatic Detection of Equipment Running Status, Automatic Restart in Case of Failure
Caller ID: Yes
Interface Form: RJ11
Network Support: LTE FDD: B1 B2 B3 B4 B5 B7 B8 B28, LTE TDD B40, WCDMA B1 B2 B5, B8GSM B2 B3 B5 B8
Visual Function: None
Scope of Application: Access, Security
Number Storage Function: Yes
Recording Function: None
Network Parameters GSM: 1900 1800 900 850M
Sensitivity: < -104DBM
Transmit Power: <2W
Antenna Power: >1.5db
Power: 5V 1A
Device Power: <5W
RJ11 Standby Voltage: DC 40 to 48V
RJ11 Working Voltage: DC 8 to 12V
RJ11 Dial Audio Frequency: 450HZ
RJ11 Feed Current: 20MA to 40mA
RJ11 Reverse Polarity: Support
RJ11 Call System: DTMF
Working Environment Temperature: -20℃ to 50℃
Relative Humidity of Working Environment: Humidity 10 to 90%

Package List:
1 x Fixed Terminal Host
1 x Power Plug
1 x Antenna Cable
1 x Antenna Receiver
1 x Telephone Line
1 x User Manual