... over 135ohmConnector:RJ45DCE 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 V.24/RS232Physical connector:DB25 female jack,V ... °CHumidity:0~95% RH 2 wire Baseband Modem, 128Kbps DDN network