This is an OEM Version of the AR8000. New and unused, but without box.

Key Features * 11 Millisecond Frame Rate provides superior speed from stick input to servo output * 2048 resolution provides smooth transition from stick input to servo movement * Flight log and telemetry compatible Overview Spektrum is committed to offering receivers to modelers in all categories within the hobby, and the AR8000 is no exception to that commitment. The AR8000 is packed with industry-leading features including an incredibly fast input-to-output response with an 11-millisecond frame rate when used with capable transmitters, 2048 resolution for ultra-smooth servo travel, and a compact footprint making it ideal for any application from extreme 3D to competition helicopter performance.   Specification Type: AR8000 DSM2 High-Speed 8-Channel Receiver Number of Channels: 8 Modulation: DSM2 Band: 2.4Ghz Dimensions (WxLxH): 32.3 x 34.3 x 11.4 mm Weight: 9.4g Voltage Range: 3.5V-9.6V