Sirio SDB 702 Dual Band VHF/UHF Mobile Antenna 2m & 70cm Ham, 100W, No Tuning, 5m Cable

The Sirio SDB 702 is a compact, dual-band VHF/UHF mobile antenna engineered in Italy for 2-metre and 70cm amateur radio use. Covering VHF 141–149 MHz and UHF 430–440 MHz with no tuning required on either band, it delivers 0 dB VHF gain and 2 dB UHF gain (referenced to a λ/4 whip) with 100W CW power handling. Compatible with 2m HAM, 70cm HAM, ORBCOMM M2M, TETRA, CDMA-450, and ISM/SIGFOX/LoRa 433MHz, it's a versatile and discreet mobile antenna for a wide range of applications. Supplied with a 5m (16.4ft) RG58 coax cable and designed for thru-hole mounting, it stands at just 470mm (1.54ft) tall and weighs only 360g. Note: connector not supplied. Constructed from chromed brass, stainless steel 17/7 PH, and nylon.

Key Features

• 100W CW power handling
• VHF: 141–149 MHz — no tuning required
• UHF: 430–440 MHz — no tuning required
• Gain: 0 dB VHF / 2 dB UHF (ref. λ/4 whip)
• Compatible systems: 2m HAM, 70cm HAM, ORBCOMM M2M, TETRA, CDMA-450, ISM/SIGFOX/LoRa 433MHz
• Omnidirectional radiation pattern
• Linear vertical polarisation
• VHF: 1/2λ design | UHF: 5/8λ design
• Supplied with 5m (16.4ft) RG58 coax cable
• Thru-hole mounting for a clean, integrated vehicle fit
• Height: 470mm / 1.54ft
• Weight: 360g / 0.79lb
• Note: connector not supplied (bare cable end)
• Premium materials: chromed brass, stainless steel 17/7 PH & nylon
• Made in Italy by Sirio

Technical Specifications

• Type: VHF 1/2λ / UHF 5/8λ dual-band mobile antenna
• Radiation: Omnidirectional
• Polarisation: Linear vertical
• VHF frequency range: 141–149 MHz (no tuning required)
• UHF frequency range: 430–440 MHz (no tuning required)
• Systems: 2m HAM, 70cm HAM, ORBCOMM M2M, TETRA, CDMA-450, ISM/SIGFOX/LoRa 433MHz
• Gain: 0 dB VHF / 2 dB UHF (ref. λ/4 whip)
• Max power: 100W CW
• Cable: 5m (16.4ft) RG58
• Connector: Not supplied
• Height: 470mm / 1.54ft
• Weight: 360g / 0.79lb
• Mounting: Thru-hole
• Materials: Chromed brass, stainless steel 17/7 PH, nylon
• Country of origin: Italy