Features and benefits, Specifications, Dsm air modules – Spektrum SPMMSJR9 User Manual
Page 4: Features and benefits specifications
Spektrum Air Module
• Converts most popular brands of module based radio systems to Spektrum’s DSM2 2.4GHz technology
• No more waiting for an open frequency
• Eliminates the possibility of interference from an unintentional turn-on
• Bulletproof interference rejection of all outside RF sources like cell phones, WiFi systems, other transmitters, etc.
• Impervious to model-generated RF interference (like noisy electric motors, metal-to-metal noise or ignition systems)
• Operates on the 2.4GHz ISM band allowing international use
• No maintenance or tuning ever required
• Fail-safe system drives the throttle to preset position at loss of signal (see fail-safe options on page 20)
• Legal at all AMA flying field and events
Features and Benefits
Specifications
DSM Air Modules
2.400–2.483GHz
Spectral capacity - 40 Systems
Type - Direct Sequence Spread Spectrum
DSSS coding gain - 18dB
Diversity - MultiLink: Path, Time and Frequency
Module current - 200mA
Receiver current - 70mA
Receiver voltage range - 3.5–9V DC
Servo channels - 9 JR, 8 Futaba
Servo channel resolution - 1024 with 4X oversampling