The RDUP-867.5-892.5M-947.5-972.5M-3012-3W-S-k from Raditek is a RF Duplexer with Frequency 867.5 to 892.5 MHz / 947.5 to 972.5 MHz, Band 1 867.5 to 892.5 MHz, Band 2 947.5 to 972.5 MHz, Power 3 W, Insertion Loss 3.5 dB. Tags: Surface Mount. More details for RDUP-867.5-892.5M-947.5-972.5M-3012-3W-S-k can be seen below.