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Important information on radio controlled (RC) models from Model Flight.

JR Receivers

 

When purchasing receivers, please remember to specify the frequency you require. JR receivers are designed for 27, 29, 36 & 40mHz depending on the model. They are also fully compatible with Sanwa, Hitech and Futaba.

 
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JR Receivers

 
 
  The newest and latest to R/C modelling at model flight[JRPRD921] JR's RD921 2.4GHz 9 Channel Receiver using Spektrum's DSM2 technology
 
 
 
 
The JR R610M Micro Receiver

Note: 36MHz only

  The JR R610M Micro Receiver
JR's R610M measures a mere 1.38”x 0.75”x 0.5" (9grams), and unlike many micro receivers, offers out of sight range in most modeling applications.
 
 
 
 
The new JR Slimline R770 PCM Receiver is JR's new baseline PCM aircraft receiver. With JR's world renowned S PCM technology and the extra filtering provided by their patented ABC&W system this is one mighty fine receiver.

Note: 36MHz only

  JR R770s Slimline Receiver
is JR's baseline PCM aircraft receiver. With JR's world renowned S PCM technology and the extra filtering provided by their patented ABC&W system this is one mighty fine receiver.
 
 
 
 
[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!
  [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!

How to set the frequency

Note: 36MHz only

 
 
 
 
[JRPRS77S] RS77S, 7 channel synthesising PCM receiver. 36 Mhz. Never use crystals again! Dial up any frequency in the 36Mhz range instantly. best of all, its only $21 more than the standard R770S making it revolutionary as well as great value!
  [JRPRS77S] RS77S - 7 channel synthesising PCM receiver. 36 Mhz. Never use crystals again! Dial up any frequency in the 36Mhz range instantly. best of all, its only $21 more than the standard R770S making it revolutionary as well as great value!

Note: 36MHz only

 
 
 
 
[JRPR649] JR NER-649S PCM S 9 channel receiver w/crystal  

[JRPR649] JR NER-649S PCM S 9 channel receiver w/crystal

Note: 36MHz only

 
 
 
 
  [JRPR900] JR R900S PCM 9 channel receiver.

Note: 36MHz only

 
 
 
 
[GRP3221.B] Graupner/JR DS19 Dual Conversion 9ch FM 36 mhzRx (w/o xtal)   [GRP3221.B] Graupner/JR DS19 Dual Conversion 9ch FM 36 mhzRx (w/o xtal) 
 
 
 
 
[GRP7038.B] Graupner/JR SMC-19 Dual Conversion 9ch PCM 36 mhzRx (w/o xtal)   [GRP3163.B] DS24 FM 12 ch Rx 36mhz Dual Conversion (w/o crystal)
 
 
 
 
[GRP7038.B] Graupner/JR SMC-19 Dual Conversion 9ch PCM 36 mhzRx (w/o xtal)   [GRP7038.B] Graupner/JR SMC-19 Dual Conversion 9ch PCM 36 mhzRx (w/o xtal)
 
 

Important information on radio controlled (RC) models from Model Flight.

JR Crystals

 

Please note that JR crystals are compatible with all brands of RC equipment. When purchasing, please specify the required frequency.

 


[JRPAMXTAL] Crystal 27/29/40 Mhz AM pr


[JRPAXTALCASB] Crystal Case B (holds 8 prs)

[JRPAXTALCASE] Padded spare crystal holder

[JRPDCXTAL] Rx crystal Dual Conversion (rd) 36/40 meg

[JRPFMDCXTAL] Rx crystal DC 36/40 meg

[JRPFMXTAL27] Crystal pair 27 Mhz FM

[JRPFMXTAL27R] Rx Crystal 27 Mhz. FM

[JRPFMXTAL29R] Rx crystal 29 Mhz FM

[JRPFMXTAL36] Crystal Pair 36FM

[JRPFMXTAL36R] Rx Crystal 36 Mhz. FM

[JRPFMXTAL40R] Rx Crystal 40 Mhz. FM

[JRPFMXTALTX] JR FM Tx crystal

[JRPFMXTL40] Crystal set FM 40mhz pr

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Model Flight tries to answer your questions about RC models. These come directly from our modelling staff at Model Flight. 

Single Conversion vs. Dual Conversion

 
Much has been written about the merits of Single and Dual Conversion receivers. It is generally accepted that 2 filtering or conversion stages are better than one. All JR receivers from the basic R125 AM receiver to the top of the line R1000DS have a unique second filtering stage fitted to them. JR's patented ABC&W filtering system does the job in a JR receiver that a second conversion stage does in other brand receivers. In simple layman's terms it works a bit like a 'maze' where the signal is forced through the maze, going around corners and bends which eliminates the unwanted signals. In many ways the JR approach is technically better than dual conversion because 2 different techniques are used to discriminate the good signals from the bad. Rest assured that using a JR single conversion with ABC&W receiver gives you perfect reception; you will in no way be disadvantaged compared to using a dual conversion receiver, and in many circumstances you will have better reception.
 

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