Are these correct? i want to buy Wireless communication Arduino RF.
Specifications:
Receiver module parameters
Product Model MX-01V
Operating voltage: DC5V
Quiescent current: 4mA
Receiving frequency: 403MHZ
Receiver sensitivity:-105DB
Size: 30 * 24 * 7mm
An extra antenna is needed, please use spiral 50Ω a quarter wavelength antenna
please help