The Sirio GP-3E is a high-quality VHF base antenna with a 5/8λ ground plane design, ideal for both land and marine applications. With a frequency range of 135 - 175 MHz, an omnidirectional radiation pattern, and power handling up to 200 watts, this monoband antenna offers stable and efficient signal transmission. Made from durable 6063 T-832 aluminium alloy, the antenna is weatherproof and resistant to long-term use.
Key features:
- Monoband base antenna: Specifically designed for VHF applications.
- Omnidirectional radiation pattern: Provides 360° signal coverage.
- 5/8λ ground plane design: For improved performance and efficient signal transmission.
- Adjustable frequency range: Tunable between 135 and 175 MHz by adjusting the whip length.
- Durable materials: Manufactured from aluminium, copper, and nylon for maximum strength.
- Weatherproof: Resistant to static discharges thanks to DC-Ground protection.
- Compatible with mast mounting: Suitable for masts with a diameter of 25-30 mm.
- Optional side mounting possible: Compatible with FT-3 mounting bracket (optionally available).
Why Deltron?
💚 18 years of experience in communications equipment and accessories
Our knowledge is your security. Since 2007 we have been helping professionals and enthusiasts with reliable solutions.
💚 Fast delivery from stock. Ordered today = fast delivery. No waiting time, but certainty.
💚 100% original A-brand products. At Deltron you only buy original, certified products from renowned brands - no counterfeits, no worries.
💚 Buy on account for business customers (B2B). Easy and trusted payment via invoice. Specially for companies and governments.
💚 Pay afterwards or in 3 installments with Klarna and iDeal-in3. Order safely and quickly online at Deltron and pay afterwards with Klarna or choose iDeal-in3 and pay in 3 installments without interest and BKR registration.
💚 Certified webshop with reliable reviews. Deltron is Webshop Keurmerk-certified and reviewed via Trustpilot - so you can be sure that you order safely and reliably.

