OPTIBEAM ANTENNAS FROM GERMANY - ENGINEERING AT IT'S BEST
OB4-2 WARC 4 Element, 2Band 17/12m
Full-size elements on each band. Unique low-VSWR direct feed system
Click here for photos of the excellent mechanical construction
| Bands | 17m | 12m |
| Gain (dbd)* | 4.3 | 4.6 |
| Gain (dbi)** | 11.9 | 12.5 |
| F/B (db) | 15 | 22 |
| Elements | 2 | 2 |
| VSWR | <1.1 | <1.1 |
*=average gain over dipole in free-space
**=average gain at 20m above ground - for comparison: 2 el monobander 4 dbd, 3 el 5-6 dbd
Max. Element length (m) 8.52
Boom length (m) 3.50
Turning Radius (m) 4,59
Feedlines (number) -1 Coax 50 Ohm
Weight (kg) 12
Windload at 130km/h - 361 N / 0,45m²
Price -. Please check with us for current prices.