ITEM NAME:2x 433Mhz Wireless RF Transmitter Module+ Receiver Alarm Regeneration*_ArduinoZ a.imagelink a:hover.imagelink {color:#db3606;.2 x 433Mhz RF transmitter and receiver kit Module for Arduino ARM WL MCU Raspberry. Receiver sensitivity:-105DB. Transfer rate: 4KB / S. Product Model: MX-FS-03V. External antenna: 32CM single core wire, wound into a spiral.