Main parameters:

The 1. transformation ratio is 1:9

2. input impedance: 50 Europe (unbalance)

3. output impedance: 450 Europe (unbalance) suitable for long line short wave antenna

4. frequency range: 1-56MHz

5. standing wave: less than 1.5

6. resistance to power: 200W

7. shape size: outer diameter 50x130mm

8. weight: 350 g