Amidon RFI kit #6 VHF transceiver 50 ohm unbalanced feed and

50 ohm unbalanced feed and you have to use a 4:1 balun

General  DX-SR8 ALL MODELS Operating mode: J3E (USB

front panel selectable  Direct FSK outputs  Normal/Reverse  Scope outputs  Mark

Front panel controls: main tuning

Frequency Control: Varactor tuned oscillator with potentiometer control

Amidon RFI kit #6 VHF transceiver 50 ohm unbalanced feed andAmidon RFI kit #6 is very helpfull to limit RF inteference (RFI) as well to filter noice and wrong signals. A lot of different choke ferrite, ferrite beds, ferrite cores etc. included. This kits are not available any more and this is your last chance to purchase RFI ferrites on relatively low price per each.