High-quality and echo-free GSM adapter.

- Four-channel analog mainline GSM adapter.
- 4-band GSM module (850MHz, 900MHz, 1800MHz, 1900MHz).
- Built-in omnidirectional stick antenna.
- Built-in antenna splitter.
- External antenna input with SMA connection.
- LED status display.
- Display of GSM field strength.
- Programmable ringtone, call and busy tone.
- Enable and disable 5 programmable phone numbers.
- RS-232C connection to a computer.
- Built-in real-time clock (RTC).
- Automatic mobile call recognition (LCR).
- Sending and receiving SMS on a suitable phone device.
- 4 programmable emergency phone numbers.
- Caller ID (CLIP).
- Caller ID Prohibition (CLIR).
- Conference call control (CPC).
- Call duration control (CDC).
- Call Detail Information Service (CDR).
- The possibility of reversing the polarity of the line voltage for outgoing and incoming calls.
- Password protection.
- PIN and PUK code management.
- It can be mounted both vertically and horizontally.
- Power supply: 12VDC from an external adapter (adapter included).
- Dimensions: 15.5cm x 22cm x 5cm
- Weight: 1kg.
- CE, ISO9001 certification.
- RoHS certificate.