Elsema 433S-N Antenna Only

Elsema 433S-N Antenna – 433 MHz Helical Whip Antenna 

The Elsema 433S-N Antenna is a high-performance 433 MHz helical whip antenna, designed for long-range RF communication in automation, telemetry, and industrial wireless systems. With 4.5 dBi gain, a wide 17.5 MHz bandwidth, and low VSWR for efficient power transfer, this antenna enhances remote range and reliability in demanding environments. Built from flexible moulded rubber, the 433S-N offers durability and stable performance in outdoor and high-use applications.

Includes:

• 1 x 433MHz antenna with N-type connector

Note:  This does not include the coaxial cable or bracket.

Key Features:

• Tuned for 425–442.5 MHz operation with a wide 17.5 MHz bandwidth
• 4.5 dBi gain for enhanced signal strength and extended communication range
• VSWR < 1.5:1 across 15 MHz for efficient power transfer and minimal loss
• Omni-directional radiation pattern providing full 360° horizontal coverage
• Flexible, durable construction made from moulded polyolefin rubber

Ideal Applications:

• Remote Control & Automation – extend range for gates, doors, and access systems
• Industrial Automation – reliable communication for monitoring and control systems
• IoT & Wireless Networking – long-range connectivity for smart devices and sensors
• Telemetry & Monitoring – secure and stable signal for data transmission systems

Technical Specifications:

Downloads: