50 Ohm/75 Ohm Impedance Matching Transformer 800-2200 MHz with DC Block | 57ZTT-AP - JFW Industries
75 Ohm BNC Male to 50 Ohm BNC Female Matching Pad Operating from DC to 2 GHz RoHS Compliant
Amazon.com: Impedance Matching Transformer, Ancable 10-Pack Indoor 75 Ohm to 300 Ohm UHF/VHF FM Matching Transformer Adapter with F Female Jack for Antenna and Coax Cable on TV Receiver Radio Tuner :