Ideal for 1/18 scale and larger cars, trucks and boats. Small size. Light weight. One year limited warranty. Repair/replacement receivers for smooth, interference-free control. Dual-conversion styles (noted by "DF" or "DP") filter signals twice for maximum clarity. The newest 1024 PCM dual conversion receiver, R138DP, features a "Hi-Lo" band option that allows modelers to enjoy the advantages of virtually stepless 1024 PCM (Pulse Code Modulation) technology. Narrow-band spacing and dual conversion signal filtering combine to provide exceptionally clear, interference-free reception and amazingly smooth, accurate control. Available on 72MHz in both Low Band (Ch. 11-35) and High Band (Ch. 36-60); modelers buy and install the proper receiver crystal, available separately.