This is the Spektrum DSM2 Remote Receiver with a 24-Inch Extension. The remote receiver can be used as a replacement for any DSMX receiver that utilizes a remote receiver. It can also be used as an optional fourth remote receiver for the AR9000.
The remote receiver includes one 24-inch extension; however, various lengths of receiver extensions can be purchased allowing various placement options for mounting purposes. Additional remote receiver extensions are available in 6", 9", 12", 24" and 36" lengths.
Specifications:Type: Remote ReceiverModulation: DSM2Band: 2.400-2.4835GHzDimensions (WxLxH): 0.89" x 0.98" x 0.27"