433MHz Spring Coil Antenna
product description
433MHz Spring Coil Antenna with High Gain (3 dBi)
Antenna introduction:
This spring coil antenna matches great with any of our 433MHz RF Modules. It is a compact antenna, with 20.5mm length, and has 3dBi of gain and 50Ω impedance, so it will work fantastically with just about any 433MHz RF receiver / RF transmitter. The structure of this spring antenna is simple, lightweight, and it is made of copper-clad wire, so you can solder it easily.
Though this T15 Spring Antenna is in the 433MHz frequency band, we also have other 315/470/868/915/824-960/1710-1990MHz spring antennas, please contact us for more details, if you need to do any customization. Welcome to inquire!
Antenna characteristics:
● High gain
● Strong compati bility
● Good stability
Application field：
● Smart Express Cabinet
● Security alarm
● Smart buildings, smart buildings
● Smart home
● Power monitoring
● Smart Industry
● Traffic monitoring equipment
● Smart Agriculture
●Temperature and humidity monitor
● Drone
● Medical automation
● Wireless module
Electrical test report:
| Frequency | 433MHz |
| Impedance | 50Ω |
| V.S.W.R | ≦1.6 |
| Return loss | 135/46MHz |
| Gain | 3.0dBi |
| Linear polarization | Vertical |
| Power | 1W |
| Material | Phosphor bronze; Gold-plated |
| Operating temperature | -10 ~ 70 ° C |
| Storage temperature | -40 ~ +85℃ |