UHF/VHF, 4-WAY DIRECTIONAL COUPLER TAP - BROADBAND LOW-LOSS, HIGH ISOLATION UNIT DESIGNED FOR INDOOR USE - AVERAGE ATTENUATION VALUE OF 24 DB - DO NOT PASS AC OR DC POWER - HOUSING IS A DIE CAST ALLOY WHICH PROVIDES A MINIMUM OF 80 DB RF SHIELDING - THE HOUSING HAS A CHROMATE CONVERSION FINISH WHICH DETERS GALVANIC CORROSION - DESIGNED FOR SURFACE MOUNTING - FREQUENCY RANGE: 5-806 MHZ - TAP ATTENUATION 5-300 MHZ: 23.0 - 25.0 DB - TAP ATTENUATION 470-806 MHZ: 22.0-26.0 DB - INSERTION LOSS 5-300 MHZ: 0.7 DB - INSERTION LOSS 470- 806 MHZ: 1.2 DB - MATCH 5-300 MHZ: 14-17 DB - MATCH 470-806 MHZ: 14 DB - ISOLATION (TAP TO OUT) 5-300 MHZ.: 35 DB - ISOLATION (BETWEEN) 5-300 MHZ: 30 DB - ISOLATION (OUTLETS) 470 -806 MHZ: 15 DB - SHIELDING: 80 DB - WEIGHT: 7 OZ. - DIMENSIONS: 3 1/4" X 2 7/8" X 1 1/2"