Orangerx R410x Spektrum/jr Dsmx Compatible 4ch/6ch Pwm/cppm 2.4ghz Receiver Features: . Super lightweight 2.7g . Compatible with DSM2/DSMX 1024/2048 aircraft radio and module systems CPPM output allowing for single line connection. Short 25mm antennae for mounting in almost any location Wide input voltage: 3.7~9.6V. Diversity Antennas built in . Specification: . Channels: 4 PWM (6 CPPM) . Input voltage: 3.7~9.6V . Size: 16x27x10mm . Weight: 2.7grams