The module is a pair of RF 433 Mhz RF transmitter and reciver  with Encoder & Decoder Boards. The entire module is quite easy to use and is compatible with most of the old and new versions of Arduino/Raspberry Pi, PIC boards or projects. -  4 bit data mode

Features RF Encoder Decoder Module Board:-

• Breakout pins for connecting to the microcontroller.
  
• DIP Switch for Address Selection (optional )
  
• Status LED for valid transmit.
  
• Supports both ASK, FSK RF modules
  

Package Content:-

1 RF encoder and Decoder boards with HT 12E / 12D IC chips. + Rf tx RX