MFJ-261N, DUMMY LOAD, 100W PEAK, DC-500 MHz, N MALE

Connects directly to the transmitter with "N" Male connector.  No patch cable used, reduces SWR.  Finned aluminum, air-cooled heatsink.  Handles 100 Watts peak, 15 Watts average.  50 Ohms.  Covers DC to 500 MHz with less than 1.15:1 SWR.  1 ⅝" round by 3" long.