- Data Transmission Unit (S1901)
- 2016-11-05 00:54
- GSM (Model: S1901G) Support GSM 900/1800MHz or GSM 900/1800/1900MHz. HSDPA(Model: S1901H)Support HSDPA GSM 850/900MHz/18
- Multi-Line Fixed Wireless Terminal (S1804)
- 2016-10-28 20:58
- GSM (Model: S1804G) Support GSM 900/1800MHz or 900/1800/1900MHz or 850/1800/1900MHz or 850/900/1800/1900MHz. CDMA (Model