Elsema 433S-N Antenna Only
$50.95
6 in stock
Elsema ANT433S – 433 MHz Helical Whip Antenna with Cable & Bracket
High-Performance 4.5 dBi Antenna for 433 MHz Systems
The Elsema ANT433S is a ground-independent helical whip antenna engineered for reliable, high-performance operation in the 425–442.5 MHz band. With a tuned bandwidth of 17.5 MHz, this 38 cm antenna delivers a strong 4.5 dBi gain and an omni-directional radiation pattern, making it an excellent choice for line-of-sight, telemetry, and wireless control applications in the 433 MHz space.
Includes:
- 1 x 433MHz antenna with N-type connector
Note: This does not include the coaxial cable or bracket.
The Elsema 433S-N Antenna Only is a premium quality Antennas/Solar from the trusted brand Elsema, designed for excellent performance and reliability. This item is currently and ready for immediate dispatch from our Australian warehouse. When you order from Retro Remotes, you’re choosing an Australian-owned business that offers competitive pricing and free, fast shipping to anywhere in Australia. For easy reference when matching parts, the product SKU is 59172. Secure your Elsema 433S-N Antenna Only today with confidence!
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:
| Frequency | 425.00 to 442.50 MHz |
| 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 | 38cm |
| Weight | 270 grams |
| Coaxial Length | No Coaxial Cable |
| Termination | SMA, Standarad |
| Warranty | 12 Months Manufacturers Warranty |