While in development, Spektrum engineers sought to create a radio system that provided the end user with the same locked-in feel as a crystal-based radio while eliminating interference and glitching. Spektrum engineers sought to improve both the modeling experience and safety all at the same time. Just a few years ago, the thought of eliminating crystals and frequency control was not even on the horizon. Now, thanks to Spektrum Technology, this is not only a possibility, its a reality. What makes Spektrum Technology superior to currently used systems is a combination of two factors, 1st the utilisation of frequencies in the higher 2.4GHz Industrial, scientific & medical (ISM) radio band, and Spektrum's patented Direct Sequence DSM (Digital Spectrum Modulation) technology. Using a frequency in the 2.4GHz range places the broadcast signal beyond the range of pesky model-generated noise from motors, speed controls, ignitions and metal to metal noise (which typically occurs under 300MHz). This is the first step in eliminating glitching and interference. From here, unlike current narrow band 27MHz and 75MHz systems and even other 2.4GHz frequency hopping systems, Spektrum's Direct Sequence Spread Spectrum or (DSSS) utilises pseudo random spreading codes to spread the data over a wide range of the spectrum, eliminating the interference issue associated with narrow band systems.

 

Global Unique Identifier (GUID)

One of the most important features of Spektrum's DSM technology is the Global Unique Identifier (GUID). The GUID is a unique 32-bit code with over 4.2 billion potential combinations, meaning it's virtually impossible for two radios to have the same GUID. The transmitter-based code is stored in the receiver during the blind process. Once a receiver is bound to a transmitter, it will only listen to the data sent from that specific radio or module system until it is rebound to another transmitter.

Each Spektrum receiver is turned on after it is bound, it searches for the specific GUID from the transmitter. If the GUID is not found, the receiver will simply continue to scan until it connects to the correct transmitter. This is one level of protection that helps the receiver differentiate between and eliminate stray RF signals, so you no longer have to worry about getting interference.

 

35MHz Frequency List

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Prices correct February 2010

Best price from Al's Hobbies £1,300 or

£1,400 from Sussex Model Centre

click here for more Information

Ultra-fast 2.4GHz DSM2 control response, plus refined 2048 resolution. Exclusive ModelMatch™ technology to prevent “wrong model syndrome,” plus a 50-model memory.

JR’s phenomenal 12X. The ultimate combination of pro-class performance, security, convenience and quality. As a product of inspired collaboration between JR and Spektrum engineers, the integrated 12X 2.4 and module-based 12X MV represent a true breakthrough in pro-class radio control. So in addition to flying with the proven security and convenience of Spektrum™ 2.4GHz DSM® technology, you can expect to be flying with the kind of innovative, no-nonsense features you expect from JR®––features devoted solely to the experience of flying with optimized control of your models.

 

The extreme low latency of the 12X––a result of JR/Spektrum cooperation and ingenuity––delivers an astonishing sense of connection with your model. It’s a feature that prompted perennial World Championship competitor Quique Somenzini to declare the prototype "unbelievable, amazing!" after only one flight. Also, thanks to another 12X breakthrough, all 12 channels respond to commands with identical speed and perfect synchronization for unprecedented control precision. Then, to top it off, the instantaneous response of the 12X is complemented by the accuracy of JR’s refined 2048 resolution.

 

Exclusive ModelMatch™ technology to prevent "wrong model syndrome," plus a 50-model memory.

Here’s how ModelMatch works: If you’re operating on 2.4GHz and your transmitter doesn’t "recognize" your model as the selected model, when your airborne system is turned on, there’ll be absolutely no control response. You’ll be alerted that something’s wrong and a costly crash may be averted.* Also, the 12X’s included PC Data Transfer System permits you to upload an unlimited number of model setups from your transmitter to your computer, then access and download any 50 of them to your 12X transmitter’s model memory for use at the field.

 

Unmatched JR quality in every detail.

From its exclusive, durable, precision-cast magnesium transmitter housing to its ultra-legible, high-resolution backlit display, everything about your 12X speaks of the kind of quality that’s a benchmark of JR equipment. The ultra-smooth, quad-bearing stick assemblies, proven rolling selector data input, accessible shoulder mounted momentary contact switches––and details like the custom-naming capability for flight modes––all contribute to the unmistakable feeling that you’re flying with the very best, most intelligently conceived pro-class equipment that’s ever been introduced. Your JR dealer is expecting to take delivery of the first 12X radios soon, so keep in touch. You’ve waited a long time for this radio, so please be patient just a little longer. You’ll be glad you were

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R1221 12 Channel DSM2 Receiver

Employing Spektrum's patent-pending MultiLink DSM2 technology, the R1221 uses one internal and three external receivers for path diversity - assuring your receiver always "sees" a strong signal and is unaffected by multi-path issues.  What's more, DSM2 air receivers employ DuaLink two-frequency technology, ensuring your aircraft always operates with an ultra-secure, robust Rf link. Dual battery ports are provided with the R1221 for power redundancy.  The receiver will handle well over 35 amps of continous current, the limiting factor being the connectors.  In the unlikely event your voltage should ever drop below 3.5 volts, control is established the instant voltage returns due to the QuickConnect instant voltage recovery system.

Key Features 12 Channel DSM2 receiver 1 Internal Receiver 3 Remote receivers included Includes 9", 12" and 24" length remote receiver extensions Patent-pending MultLink™ technology DuaLink™ technology Two types of fail-safe - SmartSafe™ and Preprogrammed fail-safe Dual Battery Port Flight Log Compatible

 

R1222 12 Channel DSM2 Power Safe Receiver

Employing the PowerSafe battery system, the R1222 incorporates redundant, dual-battery leads for use with battery systems up to 10 volts.  In addition, technology like DualLink frequencies (two redundant frequencies) and MultiLink receivers (up to four receivers can be employed in different parts of the aircraft to eliminate path diversity and blocking issues) assure the user with comprehensive safety network on a variety of levels - all in one, neat small package. The R1222 also employs the QuickConnect instant voltage recovery system.  In the unlikely event your voltage should ever drop below 3.5 volts, control is restored as soon as voltage returns.

Key Features 12 Channel DSM2 Power Safe receiver 4 Remote receivers included Includes 9", 12", 24" and 36" length remote receiver extensions Patent-pending MultiLink™ technology DuaLink™ technology Dual 16 AWG battery input leads with EC3 connectors for high current applications Includes fail-on soft switch Two types of fail-safe - SmartSafe™ and Preprogrammed fail-safe Flight Log compatible

JR DSX9 DSM2 2.4 GHz £495

Prices correct February 2010

£495 from Al's Hobbies or £567 from Sussex Model Centre For your information, please find below pictures of the front case label and the MacGregor CE labels attached to genuine MacGregor/JR DSX9 sets. If your set does not have these labels then it is highly likely that it is not CE compliant and may be illegal to use in the UK..

As the foundation for an advanced, full-range, spread spectrum radio, it’s hard to imagine a more ideal candidate than JR’s 9XII.

 

A breakthrough in versatility and flexibility when it was introduced, the 9-channel, 30-model memory, 3-model type 9XII is an enormously popular radio upgrade for fliers whose skills have outgrown sport-class equipment. With software shaped by the input of top airplane, sailplane and helicopter pilots, plus its exclusive rolling ease and speed of programming, the 9XII remains the standard by which all 9-channel radios are judged.

And now, with the added convenience and security of Spektrum DSM2 2.4GHz technology, the newly-designated DSX9 2.4 is destined to be a breakthrough once more.

 

2.4GHz RC technology with a flawless track record.

Unlike ordinary spread spectrum ICs, the unique chip that’s the basis for Spektrum’s 2.4GHz technology was specifically developed by an avid RCer to yield a robust, ultra-reliable, glitch- and interference-immune RF link for RC modelling.

Add Spektrum’s patent-pending DSM/DSM2 protocols––plus the brand’s DuaLink™ feature––and the result has been revolutionary. It’s proven 2.4GHz technology that JR is proud to adopt––technology that’s been used with unprecedented success by thousands of RCers since 2005.

 

A completely integrated radio system.

Instead of settling for a 2.4GHz module adaptation to accomplish spread spectrum capability, JR has incorporated DSM2 as an integral feature of the DSX9 2.4. Consequently, there’s no added processing time. And in addition, other exclusive features of DSM2—like ModelMatch™ technology that prevents "wrong model" losses––are also preserved.

 

The bottom line. JR quality, unmatched product support, programming sophistication you’ll probably never outgrow, along with the all-important advantages of Spektrum 2.4GHz convenience and security. That’s the DSX9 2.4, and it’s the most unique advanced radio control system ever offered––the system the world’s been waiting for.

 

The bulletproof R921 2.4 DSM2 DuaLink receiver, in addition to all existing Spektrum brand receivers are also compatible with the DSX9 2.4 transmitter.

The JR DSX9 2.4 transmitter will be available initially as a combo with a 9-channel R921 receiver and no servos.

 

Key Features

DSM/DSM2 Compatible

Compatible with all Spektrum™ Brand Aircraft Receivers

R921 DSM2 Receiver Included

Flight Modes (3 air, 5, Sailplane, 6 heli)

6 Programmable Mixers (2 multi-point style)

3-axis dual rate & expo

3-position flap

Gyro System (In-flight selection of 3 gains for up to 2 gyros)

Trim system offers presets for ail/ele/rud/flaps/flaperon for each mode (Sailplane)

Launch/Land Flight mode over ride system (Sailplane)

Specifications:

No of Channels: 9

Band: 2.4 Ghz

Receiver: R921

Programming Features: Aircraft, Heli, & Sailplane

Model Memory: 30

Transmitter (Tx) Battery Type: 1500mah Ni-MH