The RDUP-815-832M-858-875M-4217-10W-S-q from Raditek is a RF Duplexer with Frequency 880 to 915 MHz / 925 to 960 MHz, Band 1 880 to 915 MHz, Band 2 925 to 960 MHz, Power 10 W, Insertion Loss 1.8 dB. Tags: Surface Mount, Ceramic. More details for RDUP-815-832M-858-875M-4217-10W-S-q can be seen below.