- Type: Folded dipole antenna
- Frequency: 144-146MHz
- Length: 200cm
- Gain: 2.15dBi
- VSWR: 1.5:1 or better
- Power: 200 Watts
- Weight: 700g
- Connection: SO239 socket
The Slim Jim is a vertically polarized omnidirectional end-fed antenna having considerable "gain" and this is concentrated almost parallel to ground toward the horizon rather than skyward making it more efficient than a ground plane type antenna by about 50 percent better.
