433MHz L-Shaped Copper Spring Antenna

The 29mm L-shaped copper spring antenna with a frequency of 433MHz is an ideal choice for enhancing wireless communications. This 433MHz spring antenna is made of copper, which, due to its high electrical conductivity, reduces signal loss and ensures wave stability. The L-shaped copper wireless antenna design improves transmission and reception efficiency and allows for direct soldering onto the board. This 29mm helical antenna, with a 50-ohm impedance and a gain of 2 to 3 dBi, is a suitable option for wireless equipment such as remote controls, radar, and radio systems. This antenna is compatible with CC1100 and NRF905 modules, among others, and helps improve their performance.

Note: This 433MHz copper spring antenna is compatible with modules such as CC1100, CC1020, NRF905, NRF903, SI4432, SX1276 / SX1278 (LoRa), RFM69, HC-12, and APRS.

L-Shaped Copper Spring Application:

1. Remote Control Systems: The 433 MHz spring antenna is widely used in remote control systems for transmitting wireless signals over medium distances.
2. Wireless Communication Modules: This antenna is suitable for modules such as CC1100 and NRF905 used in IoT projects or wireless communications.
3. Radio and Radar Equipment: The 29 mm helical antenna is used in radio and radar equipment for receiving and transmitting radio signals at 433 MHz.

NRF905 Spring Antenna Specification:

1. Frequency (MHz): 433 MHz
2. Voltage Standing Wave Ratio (VSWR): Maximum 1.8
3. Input Impedance (Ohms): 50 Ohms
4. Signal Gain: 2 dBi to 3 dBi
5. Wire Diameter (mm): 0.6 mm
6. External Spring Diameter (mm): 5 mm
7. Total Length (mm) including soldering section: 28.5 mm
8. Connection Type: Direct soldering