Specifications:

Dimensions:  1.29" x 0.82" x 0.47" (33mm x 21mm x 12mm)

Dual antennae:  0.90" (23mm) each

Weight:  0.2 oz. (5.6 grams)

Operating Voltage:  5.0v - 8.4v.  

NOTE: When using the RD610 with a satellite, we recommend using an ESC with a switchmode BEC, or an external 5.0v UBEC, or a 5.0v - 8.4v receiver battery pack. 

6 Channels:  Auxilliary, Gear, Rudder, Elevator, Aileron, Throttle, plus battery/bind port.

Satellite Port:  Yes

Range: 800M+ (2500+ feet)/Full Range

Compatible with Spektrum and JR DSM2 and DSMX aircraft radio and module systems.

Note:
 
This receiver is compatible with Spektrum DSM2 amd DSMX radios, but it is not a Spektrum brand receiver. The Spektrum brand is a trademark of Horizon Hobbies USA.