The
MFJ-261 is a air-cooled heatsink, universal dummy load.
Specifications
| Frequency range | : | DC to 500 MHz |
| Connector | : | PL 259 |
Power range
| Max 15 W | : | continuous |
| 20 W | : | 5 min. on/5 min. off |
| 50 W | : | 1 min. on/3 min. off |
| 100 W | : | 30 sec on/3 min. off |
Dimensions and weight are including packaging