300 ohm to 75 ohm adapter, transform 300 ohm twin lead antenna cable wire to 75 ohm F-type male coaxial connector plug. 75 ohm F-type Male coax coaxial connector plug. Supports HF UHF VHF FM TV antenna etc.
Dimension: 1.37 x 0.78 x 0.78 inch.
Package contents: Pack of 2 UHF/VHF/FM Matching Transformer.