The RSD-733.000-788.000-1814-TR from Raltron is a RF Duplexer with Frequency 718 to 748 MHz / 773 to 803 MHz, Band 1 718 to 748 MHz, Band 2 773 to 803 MHz, Power 29 dBm, Insertion Loss 2.4 to 3 dB. Tags: Surface Mount. More details for RSD-733.000-788.000-1814-TR can be seen below.