The Model W1840D from Wireless Technologies was designed IMD free. Standard dual 43 dBm input signals produce less than 140 dBc of IMD. It covers full PCS bands with <1.2 dB insertion loss, and its band centers Rx/TX isolation >90 dB. Return loss is > 16 dB, while power capability is >50 watts. The unit measures 2× 2× 9. SMA or Type N IMD free connectors are available.