Yeastar MyPBX GSM 1 Channel moduleYeastar mypbx gsm 1 channel module gives your Yeastar IP-PBX a single GSM channel of cellular connectivityQuad-band GSM radio works on the 850, 900, 1800 and 1900 MHz bands using a SIMCon GSM engineCompatibility: Yeastar S-Series, Yeastar MyPBX Standard, Yeastar MyPBX U100, Yeastar MyPBX U200 and also Yeastar MyPBX U500 Series
