433MHz 100 Meters STX882 ASK Transmitter Module + SRX882 Superheterodyne Receiver Module + Antenna GT 2 Timing Belt Pulley 6.35mm Bore Width 10mm for RepRap 3D Printer which provides both power and which provides both power and serial communication for programming and a mounting hole for easy integration into projects and enclosures and troubleshooting one for receiver)
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