For use 40-10m the antenna is acceptable as is. On 60 & 80 you would need an external ATU.
This is a great low cost way of getting on HF. Plug and play 80 through to 6m with perfect SWR when used with an external ATU.
Key Features/Specifications:
- Type: Fiberglass Vertical with Unun matched base
- Frequency TX: 80 to 6M (3.5-57MHz)with external any tuner
- Frequency RX: 2.0-90MHz
- Max Power:400 Watts SSB
- VSWR: Less than 1.5:1 over all bands
- Impedance: 50 Ohms
- Base connection:SO239
- Length:6m
- Mast size: 25-42mm
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