18.3mm Antenna Spring 2DBI 433MHz Helical Antenna Internal Spring Antenna

18.3mm internal helical spring antenna operating at 433 MHz with 2 dBi gain, made of pure copper for direct welding inside compact wireless devices.

Specifications

• Frequency Range: 433MHZ
• Gain: 2dBi
• V.S.W.R: ≤2.0
• Impedance: 50Ω
• Polarization: linearity
• Radiation direction: omnidirectional
• Antenna Name: spring/helix antenna
• Connector type: Direct welding
• Power capacity: 2W
• Antenna material: Pure copper
• Operating Temperature: -40℃~+80℃
• Storage Temperature: -40℃~+85℃

Applications

The 433 MHz band supports remote control, alarm and key fob products, wireless switches and IoT sensor modules that solder the antenna directly to the board.

Customization and OEM/ODM services are available on request.