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JR RS70 7 Channel FM Autoscan | 
JR RS70 Overview Crystals are obsolete with the auto-sensing frequency selection capabilities of the exciting new JR R720 7-channel FM receiver. Built on the same chassis as the popular R700 receiver, you're sure to love the same JR reliability along with the convenience of ScanSelect tehcnology. JR RS70 Key Features - Change frequencies at the push of a button
- ABC&W Interference Protection System
- FM (PPM) analog modulation
- Small, light to fit in a wide variety of models
- Highly sensitive for great range
- Perfect for sport aircraft
JR RS70 Specifications - Type: Synthesized
- # of Channels: 7-Channel
- Modulation: FM
- Band: 36MHz
- Dimensions:16 x 46 x 25 (HxLxW) mm
- Weight: 20g
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What is PCM and PPM? |
| The PCM receiver is a digital receiver that
uses normal FM Frequency, but the signal is an encoded digital signal in which
the PCM receiver interprets it as commands. Since the signal is digital, if
there are any interference or the signal is poor, the PCM receiver can be
programmed to go into a fail-safe mode. In this mode, the servos will move to a
pre-programmed position until the signal comes back.
PPM receivers are the "standard" type of receiver for most
radios. Glitches in signal are immediately noticed by erratic movements of the
servos.
JR's computerised radios give you the best of both worlds with
each transmitter software switchable between PPM FM and PCM for superior
interference rejection.
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![[JRPRS70] RS70 - 7 channel micro synthesising FM receiver. 18gr, 36 Mhz. Never buy crystals again. just dial up your frequency. And its only $20 more than the JR R700!](jr_pic/jr-receiver-gyro-ahb.jpg)
