20pcs 433MHz RF Wireless Receiver Module Transmitter kit + 2PCS RF Spring Antenna OPEN-SMART for Arduino - products that

Description The kit includes one pair of transmitter and receiver modules and one pair of spring antennas for increasing the communication distance And the frequency is 433MHz It is very popular for remote control systems such as Remote control rolling gates smart cars smart home etc About the transmitter module square shape Compatible with Arduino Library VirtualWire Operating voltage 3 5 12V DC Working frequency 433MHz Transfer rate 4KB S max Transmission distance 3 maximum at VCC 5V without additional antenna When the spring antennas are soldered to the transmitter and receiver module the transmission distance can be increased to 5 meters The supply voltage is larger the transmission distance farther About receiver module rectangle shape Compatible with Arduino Library VirtualWire Operating voltage 4 75 5 25V DC Working frequency 433MHz Quiescent Current 4mA Great for DIY project Package includes 20 x 433MHz RF transmitter module20 x 433MHz RF receiver module40 x 433MHz spring antenna 2 7cm