Dorne & Margolin has designed a series of high isolation, very low power loss antenna hybrid couplers to provide multiple system operation from one antenna. For proper system operation, we recommend using only system-tested Dorne & Margolin couplers along with our antennas.
 

108 - 118 and 329 - 335.3 MHz Frequency Band
Dual NAV and dual Glide Slope. Permits operation of two NAV and two glide slope receivers from one VOR antenna.
VSWR: 2.0:1
WEIGHT: 0.31 lbs.
P/N: DM H69-1