4Pcs/Set 433 Mhz Superheterodyne RF Receiver And Transmitter Modu

4Pcs/Set 433 Mhz Superheterodyne RF Receiver And Transmitter Module For Arduino Wireless Module Diy Kit 433Mhz Remote Control Support APP:No Frequency:433 MHz Channel:1 Package:No Model Number:433mhz RF module Wireless Communication:RF Use:Electric Door,Automated curtains,Lighting,SWITCH,Universal Brand Name:KOQZM Origin:Mainland China Certification:none