50 PCS Copper Spring Antenna [433MHz] [29mm]

Description:
Copper Spring Antenna  is a spring  or coil built-in antenna spot pen-hold which made of copper material. It works with the 433MHz frequency band, to gain the signals for the Remote control and systems. Antennas are essential components of all radio applications, which are applied in radio broadcasting, broadcast television, two-way radio, communications receivers/transmitter, transceiver, radar, cell phones, satellite communications and other devices. This antenna is a dedicated length by changed shape to spring  or coil built-in antenna. It just consists of one part, which has a good VSWR, small size, ingenious structure, easy installation, stable performance, with good anti-vibration and aging ability.
Apart from this, such antennas can be designed with different length of the spring for different frequency band.​​​ This type antenna is a dedicated antenna which designed for a wireless communication system. It hasn't any connectors so you must use it directly by welding or soldering on the board.

Features:
Type: Spring Antenna
Frequency: 433MHz
Antenna Gain: 2.15dBi
Impedance: 50Ohm
VSWR <= 1.5
Maximum power: 10W
Material: Copper
Spring length: 21mm
Total length: 29mm
Connector: Soldered directly to use

Package Include:
50 x Copper Spring Antenna