40M / 20M Duo-band Yagi
JK2040 Phantom
- 4 Elements on 40M
- 5 Elements on 20M
- 48 Foot Boom
PriceUS$8,450.00**
The JK2040 Phantom is the combination of the JK404-Grande & the JK205 on the same boom with a single feed-point.
This antenna is made for the DX'er or Contester that is looking for an antenna with tremendous performance to work across the globe on 20M & 40M and make his/her own propagation.
The 20M performance is outstanding from the active boom length of 45Ft.
It is made with very high quality materials and the best in its class in the market in terms of mechanical construction and electrical performance.

Specifications
JK2040 Phantom spec sheet
| 40M | 20M | |
|---|---|---|
| Number Elements | 4 | 5 |
| Active Boom Length | 45.5 ft | 45 ft |
| Peak Gain * (dBi) | 8.3 dBi | 10.3 dBi |
| Peak Gain * (dBd) | 6.2 dBd | 8.1 dBd |
| Peak F/B | 30 dB | 24+ dB |
| Peak F/R | 25 dB | 20 dB |
| 2:1 SWR Bandwidth | 300 kHz | - |
| 1.5:1 SWR Bandwidth | 250 kHz | 350 kHz |
| Max Element Length | 74 ft | 37 ft |
Tap a band or swipe the cards →
40M
- Number Elements
- 4
- Active Boom Length
- 45.5 ft
- Peak Gain * (dBi)
- 8.3 dBi
- Peak Gain * (dBd)
- 6.2 dBd
- Peak F/B
- 30 dB
- Peak F/R
- 25 dB
- 2:1 SWR Bandwidth
- 300 kHz
- 1.5:1 SWR Bandwidth
- 250 kHz
- Max Element Length
- 74 ft
20M
- Number Elements
- 5
- Active Boom Length
- 45 ft
- Peak Gain * (dBi)
- 10.3 dBi
- Peak Gain * (dBd)
- 8.1 dBd
- Peak F/B
- 24+ dB
- Peak F/R
- 20 dB
- 2:1 SWR Bandwidth
- -
- 1.5:1 SWR Bandwidth
- 350 kHz
- Max Element Length
- 37 ft
* Peak gain is shown in free space. dBd = dBi − 2.1
Mechanical
- Approx wt.
- 395 lbs
- Wind Area āCā
- 26.75 Sq Ft
- Wind Area āGā
- 48.15 Sq Ft
- Projected Area
- 40.1 Sq Ft
- Max Wind Speed
- 100 Mph
- Max Turning Radius
- 45 Ft
- Boom
- 3" OD
- Feedpoint
- 50-ohm Direct · Single Feed
- Power
- 5KW Avg or Balun restricted



