gsm fwt with PSTN 1. with CE & RoHS compliant 2. Can connect to PBX 3. With PSTN port

gsm fwt with PSTNFeatures:

1. Based on GSM 900/1800MHz or GSM 850/1900Mhz

2. Support reverse polarity

3. Can connect to PBX

4. With PSTN port

Main Functions:

1. Making & answering calls after connecting to telephone set2. Available to connect with telephone set, Billing machine, etc3. Supports the functions of redialing and hands-free4. Voice adjustment of calling in and out, multi-lever volume to be chosen5. Caller ID6. Featured with signal intensity indicator, working status indicator, breakdown indicator, etc7. Built-in PIN code protection featured with locking device/card/network 

gsm fwt with PSTN