The TPX-081921A from Communication Components Inc is a Triplexer with Frequency 806 MHz to 2.18 GHz, Frequency Band 1 806 to 894 MHz (850/iDEN), Frequency Band 2 1.695 to 2.18 GHz (AWS), Frequency Band 3 1.85 to 1.995 GHz (PCS), Insertion Loss Band 1 0.3 dB. More details for TPX-081921A can be seen below.