Sirio Gain-Master 25.5-30MHz 5/8 Wave 11m & 10m Base Antenna
SKU Part Number: SIRIO-GAINMASTER
The Sirio Gain-Master is a high-performance 0.625 wave centre-fed vertical dipole covering 25.5-30MHz, making it ideal for 10m amateur radio and CB...
Read More
£179.95
Availability: In stock
call

Seen this product cheaper elsewhere?

Call 0345 2300 599

The Sirio Gain-Master is a high-performance 0.625 wave centre-fed vertical dipole covering 25.5-30MHz, making it ideal for 10m amateur radio and CB base station operation.

Its wideband design provides strong omnidirectional performance, while Sirio quote a maximum gain on the horizon approximately 1-2dB higher than a conventional 5/8 wave antenna.

The Gain-Master uses a telescopic fibreglass construction with stainless steel hardware and is capable of handling up to 500W CW continuously or 1000W for short periods.

Key Features

  • 25.5-30MHz wideband base antenna
  • 0.625 wave centre-fed vertical dipole
  • Suitable for 10m amateur and CB operation
  • Omnidirectional radiation pattern
  • Vertical polarisation
  • 50 ohm impedance
  • Approx. 1-2dB greater horizon gain than a conventional 5/8 wave antenna
  • 500W CW continuous power handling
  • Up to 1000W short-time power handling
  • Telescopic fibreglass construction
  • Stainless steel hardware
  • DC-grounded metal components for lightning protection
  • SO-239 connector with PTFE insulation and gold-plated centre pin
  • Wind resistance up to 160km/h

Specifications

Specification Details
Brand Sirio
Model Gain-Master
Frequency range 25.5-30MHz
Type 0.625 wave centre-fed vertical dipole
Impedance 50 ohms
Radiation Omnidirectional
Polarisation Vertical
Gain Approx. 1-2dB higher on the horizon than conventional 5/8 wave
Maximum power 500W CW continuous / 1000W short time
Connector UHF Female / SO-239
Construction White fibreglass radiator with stainless steel hardware
Lightning protection Metal components DC grounded
Wind resistance Up to 160km/h
Overall length with bracket Approx. 7360mm
Radiator length Approx. 6850mm
Weight Approx. 3kg
Mounting mast diameter 35-54mm
Packing dimensions 1950 x 110 x 120mm

Important Note

This listing is for the Sirio Gain-Master antenna only.

Mast, coaxial cable, mounting pole, lightning protection equipment, and other accessories are not included unless stated otherwise.

Please ensure that the antenna is installed securely and used only on frequencies and power levels for which you are authorised.

Shipping:

We have several shipping options for our products, including next-day and Saturday/Sunday delivery for certain items. Please see these options at checkout.

Returns:

If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:

Click here for returns form

Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request. Large items cannot be returned if they have been assembled, unless faulty.

Warranty Terms and Conditions

Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.

For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link above and return to ML&S with the faulty product.

International Warranty information

Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk, [email protected]