1) GSM 850MHz 900MHz 1800MHz 1900MHz / CDMA 450MHz 800MHz 1900MHz (Optional)

2) standard RJ-11 (FXS) 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

8) 1 CHL / 4 CHL / 8 CHL FWT

9) 1 number calling in, then 8 GSM receiving (Optional)

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) 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

17) IMEI changing (Special Optional)

18) Locking wireless terminal, Locking SIM card, Locking districts and locking network

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

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