The MI-551nn from Kaelus is a Triplexer with Frequency 698 to 960 MHz / 1427 to 1517 MHz / 1710 to 2170 MHz, Frequency Band 1 698 to 960 MHz, Frequency Band 2 1427 to 1517 MHz, Frequency Band 3 1710 to 2170 MHz, Insertion Loss Band 1 0.1 to 0.2 dB. More details for MI-551nn can be seen below.