Comet SB-4 Foldable Dual-Band Vehicle Antenna VHF/UHF 0.92m
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4 units available
Regular price
€38,50 EUR
VAT included
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Vai al moduloFoldable Dual-Band Vehicle Antenna 144/430 MHz
The Comet SB-4 is a foldable dual-band vehicle antenna designed to operate simultaneously on the 144 MHz (2 meters) and 430 MHz (70 centimeters) bands, the most widely used in amateur mobile radio. The foldable mechanism makes it ideal for daily use in urban environments, low-clearance garages, or covered storage, without having to remove the antenna.
Technical Specifications
| Feature | Value |
|---|---|
| Operating range | 144 MHz / 430 MHz |
| Gain | 3.0 dBi (144 MHz) / 5.5 dBi (430 MHz) |
| Configuration | 1/2λ at 144 MHz / 2 × 5/8λ at 430 MHz |
| Length | 0.92 m |
| Weight | 135 g |
| Max power | 60 W |
| Connector | PL-259 (male) |
Performance and Radiating Configuration
The SB-4 uses a 1/2λ configuration at 144 MHz and 2 × 5/8λ at 430 MHz, optimizing gain on both bands: 3.0 dBi at 144 MHz and 5.5 dBi at 430 MHz. The PL-259 connector ensures immediate compatibility with most dual-band vehicle transceivers. Weighing only 135 g and measuring 92 cm, it offers an excellent balance between performance and compact size.
