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Paytrail - Oma maksutapa kaikille
29,90 €

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Orders placed before 1 pm (Eastern European Time)
will be shipped out on the same (Matkahuolto, GLS) or following (Posti) business day. Orders that contain installations or upgrade services will be shipped out after the job is complete.

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These are estimated delivery dates. Please take into account that orders are normally not transported on holidays and weekends. The order can be collected during the opening hours of your nearest pickup point. You can track your order with the tracking number found in the order confirmation email.


The NanoASR is a successor to the NanoSSR MOSFET that has been updated for the digital era and at the same time it continues the GATE third generation product family. Thanks to the new components the durability of the MOSFET has been improved and it should withstand even the four cell 14.8V LiPo/Li-Ion batteries! Unlike its predecessor, the NanoASR has protection against overheating and short circuiting and with it you can protect both the motor and the battery from malfunctions! The NanoASR is compatible also with systems that use a microswitch!


  • 3rd generation MOSFET
  • micro-switch compatible (digital signal control)
  • over temperature protection
  • protective coating


  • voltage range for the batteries 7.2V – 14.8V
  • easy to install – you need only to install the signal wire and change the old connections with conductor surfaces
  • comprehensive protection for the electrical system

The package includes:

  • GATE NanoASR unit
  • signal wire (60 cm)
  • double signal wire (60 cm)
  • extra pair of Deans T-connectors

MOSFET (Metal Oxide Semiconductor Field Effect Transistor)

The unit reduces power loss due to normal mechanical contact in the trigger switch. When using MOSFET only the signal current flows through the trigger switch and the actual running current goes directly from the battery to the motor. This prevents the burning of the trigger contacts, which is going to happen sooner or later, especially when using powerful batteries – the average lifetime for contact surfaces in an actively used gun is around one year. At the same time, the MOSFET unit enables the maximum power flow in the circuit without unnecessary resistance due to worn trigger contacts. This also gives you a higher rate of fire and a faster trigger response.

3rd generation MOSFET

The use of modern transistors and microprocessors has enabled the manufacture of small and reliable MOSFET units with microswitch compatibility.

Microswitch compatibility (digital signal processing)

With digital signal processing the MOSFET can filter out the vibrations of the microswitch during firing, which might cause excessive sparks and wear in the switch, lower rate of fire as well as heating of the motor, MOSFET, wires and battery, like with traditional MOSFETs. Since the MOSFET filters out the extra signal oscillation, there are no disadvantages of the vibrations created.

Over Temperature Protection

Over temperature protection protects the MOSFET unit, gearbox and the whole gun from electronic issues. The over temperature protection cuts the power going through the unit when it gets too hot.
When problems occur, it activates immediately when you pull the trigger. With the second trigger pull the system evaluates if it’s safe to continue or if it should shut down to prevent further damage. The feature protects the unit also from short circuiting, but it might not have time to activate before the transistors in the unit get too hot. That is why you should use a separate fuse with this unit. The warranty will not cover a fuseless unit.

Protective coating

The transparent protective coating protects the MOSFET unit from splashes, debris and minor damages.


GATE Electronics is a Polish company which made its debut on the airsoft market in 2008. Their goal is to provide high-tech electronics for airsoft players worldwide. GATE’s product range consists of MOSFET circuits for all kinds of uses, whether you want a MOSFET which only works as a MOSFET or a MOSFET circuit where almost everything is programmable. The GATE products are easy to install and reliable in use. The products are thoroughly tested and the company listens closely to feedback from end users to uphold the quality of their products.

24-month warranty

GATE MOSFETs have an extended 24-month warranty. It covers manufacturing defects and problems that come up in normal use. The warranty does not cover any fault that is caused by a faulty installation or misuse, like one caused by too high a voltage. You have to use a separate fuse, which protects the MOSFET from short circuits especially with more powerful LiPo batteries, when using NanoASR, -AAB and PicoAAB MOSFETs or SSR series MOSFETs which do not have an electronic fuse. The use of a separate fuse in other MOSFETs is recommended. You will find installation instructions on GATE's website or in Tradetech

Check the complete GATE collection here!

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