Omnidirectional Base Station Antenna with Heavy-Duty-Fiberglass Radome for the 145-430 MHz Band (BA2-4.5G/70-7G)
Type: OMNIDIRECTIONAL
BA2-4.5G/70-7G is a 4.5 dBd gain for 145 MHz and 7 dBd gain for 430 MHz, omnidirectional rod-type base
station antenna for the 145-430 MHz Band. BA2-4.5G/70-7G is designed for mounting on supporting tubes with
outer diameter between 25 mm and 45 mm. The construction of the terminating section of the antenna completely
covers the connector in an aluminum tube, allowing maximum water and frost protection. The fiberglass tube
completely encloses the carefully designed radiating element to ensure a reliable service in all climates. The
athmospherical discharges are immediately led to ground as all metal parts are DC-connected. A long lifetime has
been taken into consideration when designing this antenna – sturdy and strong.
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Specifications
VHF
Electrical
| Frequency Range |
145 MHz |
| Band Width |
3 MHz |
| SWR |
< 1.5 |
| Gain |
4.5 dBd (6.65 dBi) |
| Impedance |
50 Ω |
| Max Power |
150 W |
| Polarization |
Vertical |
| Antistatic Protection |
DC-grounded |
Mechanical
| Connector |
N female |
| Length |
2.95 m |
| Weight |
2.5 kg |
| Mounting |
25-45 mm mast tube |
| Material |
Radome: aluminum Mounting bracket: epoxy-coated aluminum |
| Wind Load |
150 km/h |
UHF
Electrical
| Frequency Range |
430 MHz |
| Band Width |
15 MHz |
| Gain |
7 dBd (9.15 dBi) |
Mechanical
| Length |
2.95 m |
| Weight |
2.5 kg |
| Mounting |
25-45 mm mast tube |
| Material |
Radome: aluminum Mounting bracket: epoxy-coated aluminum |
| Wind Load |
150 km/h |
