Receive loop antenna; these work amazingly.
A must for all shacks and hear those weak stations with less noise.
These are a passive antenna and do not require a power source.
Most modern radios have a dedicated receive antenna connection; if your radio does not, then an antenna selection switch can be used.
Do not transmit into these antennas, receive only.
cable length: 18 meters
Connector: SO239, requires PL259 connection.