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GATE ASTER II Bluetooth Airsoft Programmable MOSFET Module w/ Adjustable Quantum Trigger (Type: V2 & HPA / Expert / Rear Wired)

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GATE ASTER II Bluetooth Airsoft Programmable MOSFET Module w/ Adjustable Quantum Trigger (Type: V2 & HPA / Expert / Rear Wired)


  • ASTER II Bluetooth® gives you total flexibility thanks to Bluetooth® 5.2 and compatibility both with AEG and HPA. You can update your firmware and get new options, connect additional accessories, check telemetry
  • GCS app for iOS, Android, macOS or Windows with free firmware updates. Compatible with smartwatch (Wear OS or watch OS) and provides real-time data like BB counters & remote trigger!
  • Compatibility both with AEG and single solenoid HPA engines
  • Hair-trigger - up to 35 trigger sensitivities for the first millimeter (0.04in) of movement & up to 680 in the full range
  • Configurable trigger reset (hysteresis) and top-notch automatic pre-cocking
  • ASTER II Bluetooth® is a part of the GATE Ecosystem
  • Lowest in the market current consumption - deep sleep mode with only 140µl;A current consumption prevents battery discharge
  • Built-in voltage boost converter means trouble-free operation with weaker batteries and increases the switching efficiency
  • 3.75V ready - ASTER II Bluetooth® operates at very low voltage (even 1.2V during the shot), which is important in high-tuned AEGs, where the voltage under load drops significantly
  • Sensor supporting Infinite Torque-up, DSG, SSG, 19-tooth, and standard gears
  • Works perfect with all popular brushless motors even with 11.1V batteries and comes with a multifunctional programmable I/O port allows to connect bolt-catch sensor, magazine sensor and more

The brand new ASTER II Bluetooth® EXPERT for V2 GB is the younger brother of the well-known TITAN II Bluetooth®. Built-in Bluetooth 5.2 technology gives you direct access to ASTER II Bluetooth® settings, AEG telemetry, and the ability to use our smartwatch app, the tactical computer STATUS, and other future devices of the GATE Ecosystem. Today you can use ASTER II Bluetooth® with your AEG and tomorrow with a single solenoid HPA engine. This makes ASTER II Bluetooth®, right after TITAN II Bluetooth®, the most versatile ETU in the world replacing trigger contacts. ASTER II Bluetooth® raises the price-performance ratio by including an adjustable Quantum Trigger 2 and Bluetooth® 5.2 onboard. You get cutting-edge technologies at a reasonable price. Now, out of the box, you can set sensitivity from ludicrous touch through hair to full movement. Automatic pre-cocking, trigger sensitivity adjustment, Active Brake settings with top-class adaptive mode and the Binary Trigger are all available via Bluetooth® with the GCS app. Extended compatibility with brushless motors ASTER II Bluetooth® is compatible with popular brushless motors even with a supply voltage of 11.1 V. ASTER's smart fuse protects your AEG™s battery, motor, and the controller. This feature, along with the optical sensors, makes ASTER II Bluetooth® one of the most durable ETUs on the market. ASTER II Bluetooth® is not just a regular ETU/EFCS mosfet. It is a complex system that turns your AEG into future-proof advanced training equipment with built-in Bluetooth®. ASTER II Bluetooth® has a coating in the MIL-V-173C military specification, making it resistant to weather conditions.

Connect your ASTER II Bluetooth® with the GCS App and get total control of your AEG. Control your airsoft replica from your iOS, Android, macOS or Windows device using a built-in Bluetooth®. You no longer dongles such as USB-Link or Blu-Link. Get real-time data from your smartwatch (with Wear OS or watchOS) to reinforce your tactical decisions and get the advantage necessary to win and even use your smartwatch as remote trigger.

What makes ASTER II Bluetooth® so special?

  • Everything you need out-of-the-box
  • Adjustable Quantum Trigger 2 included in the kit. Set trigger travel with screw and trigger sensitivity in the app.
  • Built-in Bluetooth® 5.2
  • Noise-resistant trigger detection algorithm
  • Hair-trigger out-of-the-box. Even 35 trigger sensitivities for the first millimeter (0.04 in) of movement & up to 680 in the full range
  • Additional protection against interferences thanks to multi-layer PCB with EMC shield
  • Automatic Pre-Cocking: 0%, 20%, 40%, 60%, 80%, 100%
  • Trigger sensitivity adjustment without any limitation what™s more, you can now adjust Trigger Reset (hysteresis)
  • Improved cycle detection
  • Active brake adjustment: Adaptive / 1-100%
  • 343 selector modes. All possible combination of: SAFE, SEMI, BURST, BINARY, BURST/AUTO, AUTO & SEMI RAMPING
  • The GCS app enables firmware updates via the internet, which means instant application of improvements
  • Both ASTER and ASTER II Bluetooth® are now compatible with QUANTUM TRIGGERs: Quantum Trigger 1 (QT: 1A1, 1B1, 1C1, 1E1), Quantum Trigger 2 (QT-2A1) over-travel movement adjustable with screw

What is an ETU?
It is an Electronic Trigger Unit replacing trigger contacts and the cut-off lever, which takes control of your AEG.

What is the self-learning automatic pre-cocking?

  • thanks to pre-cocking, you gain trigger reaction similar to real life
  • automatically sets piston position
  • easy-to-use just set one of the 5 modes: 0%, 20%, 40%, 60%, 80%, 100%
  • automatically adapts to the battery voltage and rate of fire

ASTER II Bluetooth® and GCS App gives you total control of your replica.

GCS lets you:

  • Control your airsoft gun from a smartphone with Android, iOS and PC with Windows or macOS
  • Get real-time data from your smartwatch (with Wear OS or watchOS) to reinforce your tactical decisions and get the advantage necessary to win and even use your smartwatch as remote trigger.
  • No more surprises with an empty magazine or a discharged battery
  • Easily adjust the ASTER II Bluetooth® settings during the game
  • Update and upgrade firmware
  • View the BB counters, electrical measurements, and statistics
  • Perform diagnostics and send reports
  • Get the latest news from GATE Enterprise

Manufacturer: GATE


Supply Voltage Range: 3.75-12.9V
Current Consumption: 20mA
Low Power Mode: 130 µA
Dimensions (Length x Width x Height): 43.8mm x 28.7mm x 5.5mm
Finished Product Weight: 23.4g
Operating Temperature Range: min. -15°C max. + 50°C
Relative Humidity: ≤80%
Compatibility: Pulsar S, Wolverine INFERNO Gen 2, Wolverine REAPER, PolarStar JACK, Redline N7 and other compatible HPA and V2 AEG Airsoft HPA engines and gearboxes.
Package Includes: MOSFET, Gearbox Stickers, Selector Plate Sticker, Installation Kit, Quickstart Guide, Quantum Trigger

Note: The unit is compatible with single solenoid engines. To connect, the Cable with connector for single solenoid HPA engine for TITAN II Bluetooth® [AEG wiring] & ASTER II Bluetooth® is required (not included in the set).

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