Product Description

Features:
Based on GSM 900/1800MHz
Four channels in one terminal
Support reverse polarity
Can connect to PBX

Main Functions:
1. Suitable for GSM 900/1800MHz, using SIM card
2. Making & answering calls after connecting to telephone set
3. Available to connect with telephone set, PBX, Billing machine, etc
4. Caller ID
5. Built-in PIN code protection featured with locking device/card/network
6. Supports the functions of redialing and hands-free
7. Voice adjustment of calling in and out, multi-lever volume to be chosen
8. Optional to match with various high-gain antennas
9. Featured with signal intensity indicator, working status indicator, breakdown indicator, etc
10. Can proceed with setting up and modification of parameters through the phone set