Purchase Qty. Reference FOB Price
2-49 Pieces US$140.00
50-99 Pieces US$130.00
100+ Pieces US$125.00
Product Description
1. Based on GSM 900/1800 or 850/1900MHz 2. Support 4 SIM cards 3. Support reverse polarity 4. Can connect to telephone set, PBX,alarm system,billing system,gateway Features: It is a 4 channels GSM gateway that has 4 ports FXS interfaces. It can connect with ordinary telephone set, ...