Description
What is a 433MHz Receiver Antenna For a 433 Receiver Module?
The 433MHz Receiver Antenna For 433 Receiver Module CTRF-ANTENNA-SP-0433-1905 embedded spring antenna is made of copper wire helical antenna 433 MHz antenna manufactured by C&T RF Antennas Inc. It is a 433MHz Receiver Antenna For the 433Mhz Receiver Module.
Item Number/SKU: CTRF-ANTENNA-SP-0433-1905
This internal antenna 433MHz Receiver Antenna is an RF 433 Receiver Module antenna with a 433MHz frequency band.
C&T RF Antennas Inc provides internal & external antennas with antenna radio frequencies such as NFC, 169MHz, 230MHz, 315MHz, 433MHz, 868MHz, 915MHz, VHF&UHF, Lora, NB-IoT, ADS-B, GSM, GNSS, GPRS, 1.2 GHz, 1.4 GHz, 1.8 GHz, Wi-Fi 2.4 GHz, 5.8 GHz, Cellular 2G, 3G, 3.5 GHz, 4G LTE, GPS, 5G NR, 6G, etc.
C&T RF Antennas Inc. provides RF antennae with Omni & Directional antenna types such as Dipole Antennas, Whip Antennas, Marine Antennas, Router Antennas, MIMO Antennas, Combo Antennas, PCB Antennas, FPC Antennas, Spring Antennas, Magnetic Antennas, Sector Antennas, Yagi Antennas, and Accessories, etc, for IoT & M2M industries.
Contact us for the 433MHz Receiver Antenna datasheet, 433MHz Receiver Antenna pricing, 433MHz Receiver Antenna inventory, or other 433MHz Receiver Antennas.
433MHz Receiver Antenna Electrical specifications:
Frequency range: 433 MHz
Gain: 2dBi,
Directional: Omnidirectional
VSWR: ≤2.0
Input impedance: 50Ω
Polarization: vertical
Maximum power: 20W
Lightning protection: DC ground
Mechanical specifications:
Size: Ø19.5 x 5.5mm
Antenna weight: 2g
Working temperatures: -40 to 60°C
Applications of helical copper spring antenna 433MHz receiver antenna
Classification and function of spring antenna
In the field of wireless communication, spring antennas play a very important role and are often used in conjunction with wireless modules in many projects. The following will introduce the function, classification, advantages, and disadvantages of spring antennas.
First. The function of the spring antenna
Spring antenna is a very important part of wireless communication, its role is to radiate and receive radio waves. When transmitting, the high-frequency current is converted into electromagnetic waves; when receiving, the electromagnetic waves are converted into high-frequency current. Simply put, it is to receive the transmitted signal.
Second. Spring antenna classification
1. Classified by frequency: 315MHz spring antenna, 433MHz spring antenna, 868/915MHz spring antenna, 470/490MHz spring antenna, Lora antenna, ISM antenna, 2.4G 5G Wifi antenna, NB-IoT antenna, 3G 4G LTE antenna, and other frequencies.
2. Classified by material: gold-plated spring antenna, copper spring antenna, nickel-plated spring antenna.
Third. what are the advantages and disadvantages of spring antennas?
Advantages:
The cost of the spring antenna is relatively low compared to other antennas, and the size is small, and easy to install, the antenna has good standing wave ratio performance and has good anti-vibration and anti-aging capabilities. The wireless module is used in conjunction with the antenna to make the wireless transmission distance farther.
Disadvantages:
Its gain is relatively small, and it is not waterproof. It is generally used as a built-in antenna.
The reason that the spring antenna is not effective is that the impedance of the spring antenna has changed. Even if the same spring antenna is used in different products, the impedance of the antenna will change, which is caused by the characteristics of the antenna and cannot be avoided.
Generally, wireless modules use antennas: copper wire spring coil antennas, rubber duck antennas, and magnetic mount suction cup antennas. Magnetic mount suction cup antennas are relatively more expensive than spring and rubber duck antennas.
When choosing an antenna, it mainly depends on whether the frequency, gain, impedance, standing wave ratio, material, size, and other parameters meet your needs.
The above is the function and classification of the spring antenna, as well as its advantages and disadvantages. When choosing an antenna, you can choose according to the actual situation of the project.
433MHz wireless module application
1. Smart home
With the development and progress of smart homes, smart home terminal products continue to increase, opening up a market for 433MHz wireless modules for data transmission.
The smart home thermostat is a commonly used product in smart homes. It can automatically adjust the temperature at different times the room temperature, avoiding the embarrassment of freezing indoors in winter and bringing users a better living environment.
The thermostat takes the wireless market as the mainstream, and the wireless temperature control solution mainly adopts 433MHz wireless module control.
2. Smart home LED lighting remote control
Smart home LED lights remote control Many friends would think of using a 2.4G wireless module, but in the distance, the remote control of smart home LED lights, the 433MHz wireless module still has its own advantages.
3. Wireless smoke detector
In the security field, as the construction of safe cities continues to advance, more and more monitoring points are being monitored. Alarms were made in time for smoke from various early fires.
Intelligent detection technology is accurate, stable, and highly sensitive, ensuring personal and property safety. In wireless smoke detectors, a 433MHz wireless module is indispensable.
4. Smart switch controller
In addition to retaining the traditional manual control functions, the smart switch controller also needs functions such as remote control, electricity metering, and data upload to meet the functional needs of smart switches in the intelligent power consumption system of large public buildings.
The 433MHz wireless module has a wide range of applications, such as electronic toys, security monitoring, industrial control, unmanned aerial vehicles, wireless data collection, meter products, alarms, REID (electronic price tags), and other industries or products or fields.
433MHz wireless module, its versatility, and importance are even irreplaceable in some fields.
Besides the 433MHz Receiver Antenna, C&T RF Antennas Inc also supplies the spring antenna coil helical antenna with 315 Mhz, 433 Mhz, 868 Mhz, 915 Mhz, Wifi, GSM, etc.
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