MFJ-261. Dry DC-500 MHz Handy Dummy Load.
Connects directly to the transmitter with PL-259 connector.
No patch cable used, reduces SWR. Finned aluminum, air-cooled heatsink.
Handles 100 Watts peak, 15 Watts average.
Covers DC to 500 MHz with less than 1.15:1 SWR. 1 5/8 round by 3" long.