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This Wireless Receiver Moudle is Superheterodyne fixed code receiver board that used to receive on-off signal with 4 channels. The Superheterodyne Receiver module based on PT 2272 remote control decoder, provides better anti-jamming and stability due to the having Super-heterodyne receiving IC, preamplifier, narrowband ceramic filter and SAW resonator. This superheterodyne receiver module can provide a very easy-to-use interface. The superheterodyne receiver module can easily be re-configured in-circuit but are also configured from the factory and ready to use. This based on ASK superheterodyne receiver module is low cost RX module used in Garage door controller, Remote keyless entry, Car security system, Automation system and Remote controlling for home appliances. This superheterodyne receiver module is very practical and cheap, don't hesitate, just your order today!