The DB4368-5-BC 450 – 470 MHz, five-channel transmitter combiner features a single 9.25 in cavity per channel, 50 kHz minimum frequency spacing. If channel spacing is less than 100 kHz and equal to or greater than 50 kHz, add high power load kits (DB4368LDKT) to each closely spaced channel (2 minimum). Adds 4.6 in to depth but nothing to height. Dual junction isolators, easy field tuning and expansion, 65 dB minimum transmitter – transmitter isolation, N Female terminations