This low cost miniature cavity diplexer accepts 900 MHz GSM and 1.8 GHz DCS signals. Model W9180DE eliminates the need for two tower feed cables at the base station. Covering the full DCS and GSM Bands with < 0.3 dB of insertion loss with between bands isolation > 65 dB. Return loss is > -18 dB all ports. Power capability > 50 watts both bands. Connectors are SMA or Type N. Size is 1.5 inches× 3 inches× 5 inches.