Now we are ready with our S3D-2,4GHz transmitter conversion system and with the receivers. Out of the best ideas, concepts and technologies we have created the best possible 2,4GHz system for radio controlled models. It’s the most safe and the most practicable system ever.

All the S3D-transmitter systems can be re mounted from the transmitter, it can be used with 35MHz/40MHz/41MHz again.

Based on active communication we have learned from our customers what would be the best solution for the demand of a safe system with best use in practice. We say “thank you” for all hints and suggestions we got.

Even times are changing dramatically fast in some technological fields, we didn`t want to be fast in the market, we didn`t want to develop and test under time pressure. We must decide and design under a long term view for to make sure for our customers that they get the best and most reliable system for a long time. We didn`t want to buy somewere a system made for the US and for US rules. We wanted to design our own system especially for the European market, for European RF environments and for European rules, knowing that a system which will work in Europe also will work in the US or far east. The opposite way is not guaranteed…...

We feel responsible for our customers models, therefore we made all efforts and didn`t save any expenses to get the most safe systems on 2,4GHz. Therefore our S3D-system works with hardware- and data-redundancy and with three dimensional Diversity technology. We wanted to have the highest possible security on the transmission path on 2,4GHz. This means, production costs are higher than systems coming out of far east countries with only one (1) internal system in transmitter and receiver without any redundancy or diversity technology. Keep this in mind when prices are compared.

Points which are are different using 2,4GHz doesn`t mean worse. Lots of things are only different, new and unknown. For example the maximum range of a system has nothing to do with the range under all circumstances or has no relation to the security of a system. This is why we feel obliged to inform our customers about all aspects using a 2,4Ghz system, even about critical points or disadvantages. Knowing these critical points, a customer will be able to avoid problems.

For us, a 35MHz system is still actual for certain fields in the modelling, as we have now more than 40 years experience with this (old) technology. At this stage of experiences with 2,4 GHz systems in Europe, all distributors, all producers are starting from the scratch at the same time. Nobody has an overall experience for all circumstances which can happen during the use of a 2,4GHz system which fits to the ETSI rules for Europe. That is the reason why we say: Nobody can argue a 2,4GHz system is always better or more safe as a 35MHz system. Nobody, not today..... 

We are producers, our thinking is technical oriented. That`s why our designs are highly sophisticated with the best technologies we can get for our customers. Looking to the advertisements of some competitors which are only distributors of far east products without own technology background, we see that these competitors are using more aggressive and sales oriented arguments. We don’t do that, knowing what is actually behind the technology. The market will decide what is better. With our S3D-2,4GHz-system we are sure that one day we don`t need 35MHz systems anymore.

We don`t beleive that all pilots will change to 2,4GHz from one day to the other. Therefore our transmitter conversion systems are not a one way solution, it always can be re installed and the transmitter can be used with its origin frequency. In addition we have the Maxx-system, which allows the use of 35MHz and 2,4Ghz simultaneously. Two receivers in the model, connected via the S3D-DSL-converter , are exchanging reception- and signal quality datas. If one frequency fails, its receiver gets the signals from the other receiver and all servos will work as programmed. The customer can use the advantages of both radio worlds - 35Mhz (40/41MHz) and 2,4 Ghz.

We will start sales in mid of march. Not with all components of the complete system, but as it is a modular system, all parts can be bought time by time.

Wer are very proud having our S3D 2,4GHz radio system

For all transmitters used with a tray

For all tray transmitters,
 antennas fix installed


S3D diversity receivers + accessories

For all hand transmitters, re mountable

For all tray transmitters, re mountable

2,4GHz + 35 MHz
Simultaneously ?
, with S3D Maxx !!!

Price list S3D-System
S3D transmitter list
Comparative spread sheet

2,4GHz + 35MHz, for all transmitters using a tray

Dont care about your existing transmitter, or the transmitter you want to buy in the future,

 S3D always fits !!!

Technical Data, technical describtion

S3D transmitter conversion system 2,4Ghz

  • All existing transmitters convertible
  • ETSI 2008 compatible, FHSS System
  • Antenna always in front of the transmitter for best radiation performance
  • Dual Frequency hopping system FHSS
  • 2 independent working transmitter RF systems
  • 2 separate data streams
  • 2 transmitter antenna for 3-dimensional radiation, removable
  • 2 x 100mW output power
  • Antenna screw system, type SMA
  • Bi polar transmitter- and receiver antenna
  • Down link system for model and receiver data and external sensor data
  • Easy and fast interchangeable between 35/40/41 MHz and 2,4 GHz and back.
  • Additional, up to 16 proportional channels and 16 switching cannels for multi model functions at boats or trucks
  • Each transmitter, with PPM 5-12, PCM 1024 Futaba, S-PCM JR (PCM-10) can be used.
  • Dual frequency band use with 2,4GHz and 35MHz at the same time
  • High speed data transmission
  • All transmitter trays and bags can be used
  • Designed and produced in Germany

S3D DSL receiver system

  • Two complete receiver systems in one case, working internally as 3D Diversity system
  • Dual 3D Diversity system, when two S3D receivers are linked via DSL port
  • Antenna screwing system, type SMA
  • Bi polar transmitter and receiver antenna
  • Down link system for model and receiver data and external sensors
  • Different antenna length can be used for best installation in the model
  • Antenna extension leads can be used
  • Dual frequency band use with 2,4GHz and 35MHz at the same time
  • ACT SPS system for servo programming in the receiver
  • High current power supply connector type DSQ
  • Designed and produced in Germany

These features are offering the following benefits:

  • The complete system, receiver and transmitter, is working with hardware redundancy
  • 3D radiation and 3D reception are resulting in smallest problems possible if barriers are in the line of sight
  • Optimal position for the transmitter and receiver antenna increasing radiation and reception results
  • With dual data transmission and dual frequency hopping the system can reach a perfect data stream even in a certain situation only 25% of the data can be received
  • Dual 3D Diversity technology results in best reception and highest signal to noise ratio
  • Easy installation for the receiver antenna, as the antenna can be used with different length in different directions, up to 4 positions on the model: left, right, below and on top of the model. Guaranteed sight at all times between transmitter and receiver antenna
  • Using S3D technologies nearly no interruption of the line of sight is possible
  • Dual frequency band use with 2,4GHz and 35MHz at the same time with a S3D-DSL converter system connecting both, a 2,4GHz S3D and a 35MHz DSL receiver. Both are working simultaneously, exchanging reception- and signal quality data. If one frequency or transmission path fails, its receiver gets the signals from the other receiver and all servos will work as programmed. The customer can use the advantages of both radio worlds - 35Mhz (40/41MHz) and 2,4 GHz together. 
  • The down link has a range up to 1000m, it can be used for all kind of data which can be created with sensors or with internal data in the receiver. These data can be shown with an external display or ear phone aso. Some receivers are offering sensor inputs for hight, speed, temperature, aso.
  • The transmitter module can transmit up to 16 proportional channels which makes the module independent from the amount of the proportional channels in the transmitter, which shall be converted.
  • Additional proportional channels can be connected to the transmitter module at its external channel port.
  • 16 additional switch channels for multi function use in boats or trucks
  • High speed data transmission, 20ms at 16 channels, (normal transmitters 12 channels with 24ms)
  • High speed data transmission, 10 channels with 14ms
  • Super high speed data transmission with 5 channels at 8ms. Double as fast as HRS
  • The transmitter can be used with PPM-5-12, PCM-10 (S-PCM JR) and Futaba 1024 PCM. That means every existing model memory can be used without any change. No reduction in function channels when using PCM transmitters
  • 4096 steps (12bit) resolution at servo outputs for maximum servo speed and precision at highest servo power 
  • Some receivers are offering an big internal data memory for data logging during use and read out after use
  • All S3D receivers can be combined to a dual 3D diversity system with 4 antenna
  • All receivers are offering the advantages of the ACT DSL-SPS system. Each servo output can be set up for each channel separately. Adjustments are: Servo throw, servo speed, servo limit, servo centre, servo offset, Fail Safe, Hold, battery Fail Safe, RSSI Fail Safe, and 4 level mixing for each servo output
  • The S3D-10- and the S3D-8 receivers are offering an additional high current power supply connector for the power supply of high current servos in high amount, directly connected to the receiver outputs. Additional power supplies for the receivers are NOT necessary anymore, following the rule: Parts not installed can’t fail…..