The RDUP-885-910M-930-955M-4217-3W-S-R-cb-j from Raditek is a RF Duplexer with Frequency 885 to 910 MHz / 930 to 955 MHz, Band 1 885 to 910 MHz, Band 2 930 to 955 MHz, Power 3 W, Insertion Loss 2.0 dB. Tags: Surface Mount, Ceramic. More details for RDUP-885-910M-930-955M-4217-3W-S-R-cb-j can be seen below.