OpenVox VS-GWM401G


The VS-GWM401 series wireless gateway modules can bring you excellent HD voice service with multiple codecs, including G.711U, G.711A, GSM, G.722, G.726, G.729, and also flexible SMS service with multiple SMS API. The GWM401 SeriesWireless Gateway Module is 100% compatible with Asterisk, 3CX, Free PBX, Free SWITCH and VOS VoIP system platform, providing users with more diverse telecommunications access methods and helping users reduce communication costs.


  • Frequency range: GSM 850/900/1800/1900MHz
  • Storage temperature range: -40~125°C
  • Operation temperature range: 0~50°C
  • Operation humidity range: 10%~90% non-condensing
  • Max Power Consumption: 28W
  • Dimension: 12.4cm × 18.5cm × 2.1cm
  • Weight: 164g
  • Warranty: One Year

Manual PDF

OpenVox VS-GWM401G