First, are you wanting a new radio because of the malfunction? If so how do you know it was a malfunction if you cannot determine the cause? What exactly happened? Second all radios are susceptible to some form of malfunction, some brands and types make it rarer though. Futaba 2.4 is great, Hitec is also a good choice. Spektrum and other DSM type radios are very good also if you are diligent with your batteries.