|Transmitter Output Power: 80 mW|
|Transmitter Power Supply: Eight "AA" alkaline or 8 cell NiCd pack|
|Transmitter Weight:||14.46 oz|
|Transmitter Frequency:||2.4 GHz ISM Band|
|Receiver Frequency: 2.4 GHz ISM Band|
|Receiver Power Supply: DC 4.8-6.0V|
|Receiver Weight:||0.51oz (14.5g)|
|Receiver Dimensions: 1.03"(L) x 1.18"(W) x .75"(H)|
|Fail safe limit: Activates at 3.6V|
|Available from:||Airtronics:||Available from Hobby People|
|Retail price: $179.99|
Airtonics, makers of the revolutionary MX-3 and MX-3S computerized pistol grip radios, have done it again with the introduction of the Airtronics MX-3FHSS (Frequency Hopping Spread Spectrum) system, a 2.4GHz Transmitter and receiver combo that offers drivers interference-free precision and performance. The MX-3FHSS transmitter and receiver work equally well in RC cars and boats!
Install eight "AA" alkaline batteries in the underside of the transmitter, observing the polarity as shown in the battery compartment.
There is also a built-in charging jack for the optional 700mah NiCd pack.
The binding procedure must be completed before using the radio and receiver. This will lock the receiver to the transmitter and set the fail-safe. It only takes a few seconds and is as follows:
A nice feature of the MX-3FHSS is its selectable on/off audio beep. By default, the beep is present each time you press any of the input or trim keys, but it can easily be disabled by holding down the INC key and powering up the radio.
The MX-3FHSS has a large easy-to-read LCD screen. Once the radio is turned on, cycling through the various programming functions can be done by simply depressing the left or right menu buttons until the function you want is displayed and the function indicator flashes on the LCD screen. Adjustments within each function such as Model Select, End Point Adjustment, Sub Trim and others are made by depressing the Increase or Decrease keys. After making changes to any function, you can immediately return to the battery voltage screen by simply depressing both menu buttons simultaneously. Note: after making any programming changes, it's recommended to switch the transmitter off and back on again before powering up the model's receiver. This procedure will ensure that the programming changes are saved to that model's memory. The model number is displayed in the bottom right of the screen at all times.
The digital trim switches are all within easy reach on top of the radio and feel very solid. The switches themselves are large and have a nice feel to them. The trigger has a tension adjustment on the back of the radio.
This is one stylish radio that is well designed, and the contoured grip is very comfortable to hold in your hand. It never felt too heavy or tiring to hold even after several hours of use. The rubberized steering wheel also provides slip-free control and is sharp looking!
Fail-Safe is a nice feature that applies the brake via the throttle servo if the receiver voltage drops to 3.6V or below. It is programmed during the binding process, and you can set the model to apply a predetermined amount of braking if the Fail-Safe activates. For instance, with a gas model, you can program it to apply moderate braking and stop the car. With an electric model, you can program Fail-Safe to return the throttle to neutral and stop the car. This will add braking power when Fail-Safe activates. Note: before programming the Fail-Safe feature, make sure to check that the throttle servo travels in the right direction and does not need to be reversed.
The manual comprises only five pages but is easy to follow and has well-illustrated instructions. Although I recommend reading the manual thoroughly before you begin, the MX-3FHSS is a breeze to program. In fact, I was able to locate most of the programming features without even opening the manual!
The Airtronics 92324 receiver weighs just 14.5 grams and is barely over an inch square. It should easily fit inside most RC car and boat applications. At just 9" long, its antenna is noticeably shorter than most comparable 72mHz receivers.
I conducted several tests with the MX-3FHSS, both with my electric racing boat and a friend's monster truck, and it performed flawlessly in all applications. Even after several hours of use in multiple locations, the radio gave perfect glitch-free performance. Even at long distances, there were never any issues with loss of signal or control. The receiver's actual range can vary depending on the application, but it is always a good idea to keep the model within good visual range so you don't lose orientation.
I was thoroughly impressed with the performance of the The Airtronics MX-3. It is an easy to program, no nonsense radio that features very simple, user friendly menus. It's also very affordable with many nice features that are normally found in more expensive radios, and it boasts the reliability of 2.4Ghz technology.
The Airtronics MX-3 2.4 is a real winner in my book! Check it out at your local hobby shop or at Hobby People today!Last edited by dawnron1; Mar 07, 2008 at 07:13 PM..
Nice job on the review -- very well thought out!
Man, pistol-grip radios sure have come a long way. I still have a circa-2001 Futaba two-channel radio, and back then I was really impressed that it had channel reversing AND analog trims for both channels.
I wonder, however, why the receiver is still almost 15 grams. A lot of 2.4gHz receivers for air systems are much lighter... I guess this one has a lot more "padding" to protect it from all the bumps and bruises? Also, I also wonder why the antenna is so long compared to those of other spread-spectrum systems...
Not that it's necessarily bad, but it's just interesting...
Again, fine job!
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