The MFJ-911 is a true 4:1 current balun/unun RF transformer that transforms 200 ohm balanced and unbalanced loads to 50 ohms unbalanced.
Specificatons
| Frequency range | : | 1,8-30 MHz |
| In/out connectors | : | SO 239 |
| Max. Power | : | 300 W PEP (is about 100 Watt continuous at SWR 1:1) |
| Dimensions | : | W 64 x H 120 x D 25,5 mm |
Dimensions and weight are including packaging