... interfaceData rate:Synchronous:0.6,1.2,2.4,4.8,9.6,19.2,38.4,48,64,128KbpsAsynchronous:0 ... .6,1.2,2.4,4.8,9.6,38.4KbpsWork mode: DCEData interface:V.35 or ... (optional)Power:5WEnvironmentTemperature:0~40°CHumidity:0~95% RH 2B1Q code , 2 wire 128Kbps Baseband Modem