3dBi gain 433MHz omni Anti-jamming Spring-shaped Antenna

Product Introduction

●Omnidirectional Signal Coverage: 360° horizontal beam and 55° vertical beam ensure stable signal transmission and reception from all directions.

●Anti-interference Design: Optimized for high-interference environments, guaranteeing reliability and clarity of communication in the 433MHz band.

●Lightweight Outdoor Structure: Fiberglass shell, weighing only 0.2kg, windproof and corrosion-resistant, easy to install.

●Wide Temperature and Strong Wind Adaptability: Operating temperature -40℃ to +70℃, supports strong winds up to 200km/h, suitable for harsh outdoor environments.

●High Power Handling: Maximum input power 100W, VSWR ≤1.5, suitable for medium to long-distance communication applications.

Application Scenarios

Internet of Things (IoT) devices, smart meters, and remote data acquisition systems

Wireless remote control, drones, and remote control communication

Industrial sensing, automation equipment, and PLC wireless communication

Smart agriculture, environmental monitoring, and weather stations

Security alarms, wireless intercom, and short-range communication systems

FAQ

Q: What frequency range does this antenna cover?

A: It operates in the 420-440MHz range, ideal for 433MHz ISM band applications.

Q: Is this antenna suitable for IoT projects?

A: Yes, its omnidirectional pattern and reliable performance make it ideal for IoT deployments.

Q: How does it handle interference?

A: It is designed with anti-jamming features to maintain stable communication in noisy environments.

Q: Can it be used in extreme weather?

A: Yes, it is built for outdoor use with a fiberglass radar and can withstand strong winds and wide temperature ranges.

Q: What is the typical gain of this antenna?

A: The gain is 3dBi ±1, suitable for... short to medium-range omnidirectional coverage.

Q: What type of connector is included?

A: It comes with an N male connector, commonly used in professional and industrial wireless systems.