Gabil GRA-AT330T Motorised HF Screwdriver Antenna 3.5–50 MHz

The Gabil GRA-AT330T Motorised HF Screwdriver Antenna provides adjustable tuning for amateur radio mobile and portable installations. It supports operation from 3.5 to 50 MHz, covering 80 metres through to 6 metres with the appropriate whip configuration.

Its motorised loading coil is adjusted using the supplied controller, allowing you to tune the antenna without manually adjusting the coil or relying on radio-controlled tuning. Store and recall frequently used tuning positions using 10 memory presets, then fine-tune for your installation and operating conditions.

Features and specifications

• Brand: Gabil
• Model: GRA-AT330T
• Antenna type: Motorised HF screwdriver antenna
• Frequency coverage: 3.5–50 MHz with suitable whip configuration
• Tuning: Motorised loading coil operated by the supplied controller
• Memory: 10 programmable tuning-position presets
• Base connection: UHF PL-259
• Protection rating: IP68-rated antenna construction
• Applications: Amateur radio mobile, portable and POTA operation

Installation and compatibility

Choose a suitable mount for the PL-259 base and use the appropriate whip configuration for your intended band. Frequency coverage depends on the whip fitted; check and fine-tune SWR after installation or changing operating conditions.

The tripod shown in the application image is not included.