Elsema 433 Antenna 940mm – ANT433M
Elsema 433 Antenna 940mm – ANT433M
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.
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ANT433M - High-Gain 433MHz Antenna for Extended Wireless Performance
The ANT433M is a high-gain 1-metre stainless steel antenna designed for superior wireless coverage on 433MHz systems. Featuring a 6.0dBi gain, low-loss coaxial cable and SMA termination, this antenna dramatically improves range and signal strength for Elsema Gigalink® and Penta receivers, making it ideal for gate automation, industrial remote control and IoT applications that demand reliable long-distance communication.
Includes:
- Low Profile Antenna – 1m Long
- 3.6 metres of low loss coaxial cable terminated with an SMA connector
- Mounting Bracket
Key Features:
- High-Gain 6.0 dBi Performance – Extends range and improves signal strength.
- Ground-Independent Colinear Design – Efficient operation without the need for Earth grounding.
- Optimized for 433MHz Band – Ideal for Elsema Gigalink® & Penta receivers, plus other 433MHz devices.
- Stainless Steel Construction – Rugged and corrosion-resistant for long-term outdoor use.
- Low VSWR – Minimises signal loss and ensures maximum power transfer.
- 3.6m Premium Low-Loss Cellfoil Coaxial Cable – Reduces interference for cleaner transmission.
- SMA Connector – Stable, secure connection to your receiver.
- Universal Mounting Bracket – Allows easy wall or roof installation.
Ideal Application:
- Gate & Garage Automation – Boosts remote control range for sliding and swing gates.
- Industrial Automation & Monitoring – Ensures strong connectivity for smart control systems.
- IoT & Smart Systems – Supports wireless telemetry, networking, and monitoring applications.
Technical Specifications:
| Frequency | 428 to 437MHz |
| Tuned Bandwidth | 9MHz |
| Gain | 6.0 dBi |
| VSWR (Return Loss) | < 1.5 : 1 over 9MHz |
| Impedance | 50 Ohms |
| Maximum Power | 50 Watt |
| Radiated Pattern | Low Angle Omni Directional |
| Construction | Stainless Steel |
| Length | 1 metre |
| Weight | 420 grams |
| Coaxial Length | 3.6 metres, standard |
| 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.
