 JR RD921 Key Features - 9 Channels
- DuaLink™
- SmartSafe™ fail-safe system
JR RD921 Key Overview The JR RD921 receiver combines Spektrum's exclusive, patent-pending DSM2 protocol— plus the brand’s DuaLink™ feature—and the result has been revolutionary. The radio system simultaneously transmits on two frequencies, creating dual RF paths. This dual path redundancy, plus the fact that each of the two receivers is located in a slightly different location exposes each to a different RF environment and creates a superior path diversity RF link in all conditions. The JR RD921 is compatible with Spektrum's DSM2 systems such as the DX7 and DX6i
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