• Elsema 433 Antenna 350mm – ANT433S Elsema
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Elsema 433 Antenna 350mm – ANT433S

Elsema 433 Antenna 350mm – ANT433S

$79.95
$79.95
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This is a popular item that is regularly replenished from our Australian supplier. It is always available to purchase, even if our on-hand warehouse stock is low. If you need this item urgently, please contact us for current stock levels.

Elsema 433 Antenna 350mm – ANT433S

The Elsema ANT433S is a high-gain 350mm helical whip antenna designed for 433MHz automation systems. Featuring 4.5dBi gain, low-loss coaxial cable and SMA termination, it delivers strong signal performance for Gigalink® and Penta receivers, making it ideal for gate automation, industrial wireless control and IoT communication.

Includes:

  • Elsema Ground Independent Helical Whip antenna with a length of 38cm.
  • 3.6 metres of low loss Cellfoil coaxial cable terminated with a SMA connector.
  • Bracket

Key Features:

  • Genuine Elsema Product – tuned for 433MHz frequency band
  • 4.5dBi high-gain performance – improves range and reception
  • Ground-independent design for reliable operation
  • 3.6m low-loss Cellfoil coaxial cable included
  • SMA connector for secure, stable connection
  • Universal mounting bracket for wall or roof installation
  • Removable whip with high-quality N-connector for easy maintenance
  • Reliable performance in residential, commercial, and industrial settings

Ideal Applications:

  • Gate & Door Automation – Extend range for Gigalink® and Penta receivers
  • Industrial Automation – Improve connectivity for smart control systems
  • Wireless Networking & IoT Devices – Optimised for long-range 433MHz devices
  • Security & Access Control Systems – Ensure uninterrupted wireless operation

Technical Specifications:

Frequency 425.00 to 442.50MHz
Tuned Bandwidth 17.50MHz
Gain 4.5 dBi
VSWR (Return Loss) < 1.5 : 1 over 15MHz
Impedance 50 Ohms
Maximum Power 25 Watt
Radiated Pattern Omni Directional
Construction Molded flexible rubber (Polyolefin)
Length 38 cm
Weight 270 grams
Coaxial Length 3.6 metres, standard with N-connector base with part number AB3.6SMA
Termination SMA, Standard
Warranty 12 Months Manufacturers Warranty


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Frequently Asked Questions

Is the remote pre-programmed or does it require setup before use?

Most remotes require programming to your opener before use. This process allows the remote to communicate securely with your specific garage or gate system.

If the product is listed as “compatible” rather than “genuine”, it will still need to be coded in the same way as your original remote.

Programming instructions are included with your order, and additional guides can be found on our Programming Instructions page or by contacting our support team for assistance.

How much does shipping cost?

Retail customers enjoy free standard shipping Australia-wide on orders over $10. Orders are sent as tracked parcels via a range of trusted couriers, including Australia Post, CouriersPlease, and Aramex.

For faster delivery, an Express Shipping option is available for $9.95.

International shipping rates vary depending on the destination — standard shipping starts from $20, and all options include tracking for your peace of mind.

Wholesale customers are charged a flat rate of $14.95 for all orders, with tracking provided once despatched.

How long will it take for the order to arrive?

For the East Coast of Australia, standard delivery typically takes 3–5 business days.

For the West Coast and Northern Territory, please allow 7–14 business days for standard delivery.

For more detailed information, please refer to our Shipping Policy.

What happens if I bought the wrong item?

If you think you have purchased the wrong item, please contact us and we will help start up the returns process and suggest correct replacement.

What happens if something is wrong with the remote?

Having Trouble Programming Your Remote?

Setting up your remote to your opener can sometimes be a little frustrating. If you’re having difficulty programming your remote, get in touch with us — our team is happy to help troubleshoot the issue.

All products are covered by a manufacturer’s warranty, which protects against any faults that may occur during the production process.

For more information about our warranty process, please refer to our Warranty Policy.