The TCN2-14+ from Mini Circuits is a Balun with Frequency 700 MHz to 1.4 GHz, Amplitude Balance ± 0.06 to 0.71 dB, Insertion Loss 1.01 to 1.21 dB, Power 5 W, Return Loss 10.23 to 11.38 dB. Tags: Surface Mount, Balanced to Balanced. More details for TCN2-14+ can be seen below.