Specification :

function :
1) GSM 850MHz 900MHz 1800MHz 1900MHz
CDMA 800MHz(Optional)
2) standard RJ-11 to telephone or voip gateway & PABX
3) 450Hz Dial-tone and Busy-tone
4) 50V in idle and 75V in ringing and 9-12V in talking
5) DTMF detector in RJ-11
6) precise reverse polarity
7) caller id (DTMF,ONE RING) to telephone or voip gateway & PABX
caller id (FSK) to telephone or voip gateway & PABX(Optional)
8) 1 CHL / 4 CHL / 8 CHL/ 16 FWT
9) 1 number calling in, then 8 GSM receiving
10) CLIR(Calling Line Identification Restriction)
11) single-handed power switch
12) LED indicating Hook On/Off,Talking,signal intensity,Power On/Off
13) set dialing delay time
14) talking DTMF Automatic dialing to GSM & to voip gateway & PABX(Optional)
15) SPK & MIC volume regulate
16) provide accumulator charger (Optional)
17) 4SIM automatic rotator (8 CHL 32 SIM cards)(Special Optional)
- rotator by really clock(4 time oclock)
- rotator by dial times
- rotator by total talking minutes
- rotator by working hours
18) IMEI changing (Special Optional)
19) Simple to install and easy to maintain
20) Steady module & reliable design ensures good performance
21) Strong signals with high gain antenna
22) No noise & Clear voice
23) Suitable for wide voltage range & Low power consumption
24) Suitable for all kinds of weather & environment
25) Offer keypad command sets to difine functions