4 / 8 Port GSM Fixed Wireless Terminal

Features: 1.Based on GSM900MHz/1800MHz 2.Siemens TC35i GSM module 3. Support 8 SIM cards 4. Support reverse polarity 5.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