The Diamond SG7500A is a 2 meter and 440 MHz (70 cm) mobile antenna. It is a 1/2 wave on 2 meters providing 3.5 dBi gain and a 2 x 5/8 wave on 440 providing 6.0 dB gain. This antenna can handle up to 150 watts. VSWR: 1:1.5. This antenna is approximately 41 inches (1.1 m) high. The antenna is black and silver. The connector type is UHF (for PO mount).
- Frequency: 144/430MHz(2m/70cm) (300MHz receiving only).
- Gain: 3.5dB(144MHz), 6.0dB(430MHz) / Max. power rating: 150W(total).
- Impedance: 50ohms.
- VSWR: Less than 1.5:1/ Length: 1.06m / Weight: 330g / Connector: M.
- Type: 1/2wave C-Load radialless(144MHz), 2x5/8wave radialless(430MHz).