Product Details
The DIAMOND SG-M504 is a dual band mobile antenna designed for 144 MHz (2m) and 430 MHz (70cm) VHF/UHF operation. Its compact form (approx. 0.40 m) and lightweight construction make it ideal for mounting on vehicles or mobile installations where space is limited while still delivering reliable performance.
This antenna supports up to 100 W FM output, features a 50-ohm impedance, and maintains low VSWR (<1.5:1) for better signal efficiency. The integrated PL-259 (UHF male) connector ensures compatibility with common mounts and rigs.
Key Specifications
Bands: 144 MHz & 430 MHz (2m/70cm)
Length: ≈ 0.40 m (40 cm)
Weight: ≈ 160 g
Gain: ~2.15 dBi (430 MHz)
Max Power Rating: 100 W FM (Total)
Impedance: 50 ohms
VSWR: < 1.5:1
Type: 1/4 wave (144 MHz) & 1/2 wave radial-less (430 MHz)
Connector: PL-259 (UHF Male)
- Stock: 3
- Model: DIAMOND
