E.F.Johnson Invader
| Type: | Amateur HF transmitter |
| Frequency range: | 10-80 m |
| Mode: | AM/CW |
| RF Power output: | AM: 50 W CW: 100 W |
| Voltage: | Mains |
| Current drain: | ? |
| Impedance: | ? ohms |
| Dimensions (W*H*D): | ? mm |
| Weight: | ? Kg |
| Manufactured: | USA, 196x-196x |
| Other: | New price 1961: $619.50 |
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