MFJ-700A RFI Suppression Choke


Installed in the DC power supply circuit to suppress interference from the ignition system in the mobile radio and amplifier.


These RFI snap-on Chokes are selected for RFI suppression. Install on DC power line to keep ignition noise from your mobile rig and amplifier. Remove RF on cables and wires to your radio station. Isolate RFI on feedline from your station.

Two-piece design, snap and lock securely around your cable. Install end to end along a rigid cable or loop multiple turns with a smaller soft cable.


Part Hole size Typical cable use
MFJ-700A 275 in dia RG58 / 59 / 6U / 8X