... -12 .4 GHzVoltageRG-55,58,141,142,223,303:RG-122,174,188,316: Up to 500 volts Up to ... 375 voltsDielectric Withstand Voltage.141"& RG-58 :.085" & RG-316 :1000 VRMS750 VRMSVSWR (Voltage Standing Wave Ratio) ... series 1.30 +.04f(GHz) 1.45 + 06f(GHz) RG-188/U series 1.25+.04f(GHz) 1.35 + .04f ... to all types ofCable retentionClamp type for RG-58, .141, 303 = 60 lbs min.; for RG-55, 142, 223 = 80 ...