
FRITZEL FB-33

| Specifications, electrical | 20m-Band | 15m-Band | 10m-Band |
| Elements, active in band number | 3 | 3 | 3 |
| Boom Length active for band in use λ | 0,23 | 0,34 | 0,46 |
| Gain dBi/dBd | 7,7/5,5 | 8,2/6 | 9,2/7 |
| customary in trade dB | 8 | 8 | 9 |
| Front-to-back Ratio, best value dB | 18 | 15 | 14 |
| Front-to-back Ratio, >6dB Width from...to, MHz | 13,84...14,60 | 20,86...21,2 | 27,30...29,70 |
| Frequency | |||
| SWV | 14,18 MHz | 21,15 MHz | 28,52 MHz |
| SWR | 39 Ω | 48 Ω | 52 Ω |
| ROS | 1:1,29 SWV | 1:1,04 | 1:1,04 ROS |
| Standing Wave Ratio, <2:1 from...to, Mhz |
13,93...14,35CW 14,07...14,40Fone |
20,91...21,32 |
27,89...29,1 |
| max. Rf-Output | 1,4/0,7/0,5 | 1,4/0,7/0,5 | 1,4/0,7/0,5 |
| nominal impedance | 50 | 50 | 50 |