35.7mm 433MHz Antenna Internal Copper Spring Antenna 2dBi Gain

35.7mm internal copper spring antenna tuned to the 433 MHz band with 2 dBi gain, supplied for direct welding onto module circuit boards.

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 ISM band is commonly used by remote controls, wireless doorbells, alarm sensors, garage openers and smart-home gateways that need a small embedded antenna.

OEM/ODM and customization are supported.