• Elsema ANT433S
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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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