The antenna AD-21/2512 is a wideband center-fed mobile antenna covering frequency range from 225 to 512 MHz and is intended for use with portable and mobile UHF radios. The antenna radiator is composed of the flexible goose neck and the flexible whip above the matching unit in the center.
The antenna radiator is attached to the separate magnet base with the integrated coaxial cable length of 4 meters.
The UHF antenna for vehicle AD-21/2512 can be used with the magnet base ADM-21/N or fixed base ADN-21/N, both with the integrated coaxial cable length of 4 meters and ended with the FME female connector. Various adapters from FME to N, BNC, UHF, SMA, etc. are available on request.
Versions
AD-21/2512-N
wideband UHF 225 - 512 MHz dipole antenna for portable radio devices with N male connector
AD-21/2512-F
wideband UHF 225 - 512 MHz dipole antenna for mobile applications with fixed antenna mount
AD-21/2512-M
wideband UHF 225 - 512 MHz dipole antenna for mobile applications with magnet antenna mount
Technical specification
| Frequency range | 225-512 MHz |
| Impedance | 50 ohm |
| VSWR | < 3.5 (see diagram) |
| Max. power | 20 W CW |
| Polarization | Vertical |
| Gain | -1 dBi (see diagram) |
| Radiation Pattern | Omnidirectional |
| Height | 615 mm |
| Radiator Weight | 300 gr. |
| Magnet Base Weight | 700 gr. |
| Fixed Base Weight | 200 gr. |
| Cable length | 4 m |
| Input connector | FME female |
| Temperature range | -40 --- +70 oC |
