Gate ASTER V2 SE Expert & Quantum Trigger - Rear Wired

ASTER V2 SE raises the price-performance ratio by including a Quantum Trigger in the set and new functions programmable via trigger. Now, out-of-the-box, you can set sensitivity from ludicrous touch through hair to full movement. Improved programming via trigger gives you new settings such as automatic Pre-Cocking (LOW, MID, HIGH), trigger sensitivity adjustment, Active Brake settings with top-class adaptive mode and the new SAFE-SEMI-BINARY selector mode. Calibration, DTC codes—all available just via trigger and selector movement. Additionally, you get the new noise-resistant trigger detection algorithm. ASTER's smart fuse protects your AEG’s battery, motor, and the controller, even in the case of reverse battery connection. This feature, along with the optical sensors, makes ASTER V2 SE one of the most durable ETUs on the market. ASTER V2 SE is not just a regular ETU/EFCS mosfet. It is a complex system that turns your AEG into future-proof advanced training equipment.


What distinguishes ASTER V2 SE from the competition?
ASTER is future-proof, thanks to compatibility with USB-Link and Blu-Link. You can update your firmware and get new options, connect additional accessories, check telemetry.
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What is an ETU? It is an Electronic Trigger Unit replacing trigger contacts and the cut-off lever, which takes control of your AEG.

Why ASTER's programming via trigger is user-friendly?
-You do not need to rush
-You can navigate the menu very quickly and efficiently or slowly and calmly
-The colours of the led lights are only a help – you can rely on the vibration of the motor
-In case of any problems, you can use the very popular USB-Link or Blu-Link and use the GCS App
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What is the self-learning automatic pre-cocking?
thanks to Pre-cocking, you gain trigger reaction similar to real life
it will automatically set piston position
it is easy-to-use, just set one of the 3 modes: LOW, MID or HIGH
it automatically adapts to the battery voltage and rate of fire
ASTER gives you great flexibility and is future-proof. Today you can program the most important functions with the trigger, and tomorrow you can borrow a USB-Link or Blu-Link from a friend to configure advanced functions, perform a firmware update, run diagnostics or use the GCS app on a smartwatch
Hair-trigger – up to 60 sensitivity in the first millimeter of trigger movement
Top-notch automatic pre-cocking
ASTER is resistant to reverse polarity
You can update its firmware via the Internet
ASTER is a part of the GATE Ecosystem
Lowest in the market current consumption. Deep sleep mode with only 0.29 mA current consumption prevents battery discharge
Built-in voltage boost converter allows for trouble-free operation with weaker batteries and increases the switching efficiency
3.75 V ready – it operates at very low voltage (even 1.2 V during the shot), which is important in high-tuned AEGs, where the voltage under load drops significantly
Sensor that supports Infinite Torque-up, DSG, SSG, 19-tooth and standard gears
The possibility of using a mechanical trigger lock
Compatibility with brushless motors


Supply Voltage Range
3.75-12.9 V

Current Consumption
23 mA

Low Power Mode
288 µA

Dimensions (Length x Width x Height)
43.8 mm x 28.7 mm x 7.2 mm

Finished Product Weight
22.25 g

Operating Temperature Range
min. -15°C max. + 50°C

Relative Humidity
≤ 80%



Connect your ASTER V2 SE with the GCS App and get total control of your AEG
You choose how to configure ASTER V2 SE—simply via trigger or through USB-Link / Blu-Link and our advanced GCS App. You can ask your technician to update ASTER V2 SE firmware using Blu-Link or USB-Link, carry out diagnostics or change settings in a very convenient way. You can also get your own Blu-Link and use the Smartwatch app, giving you real-time data to reinforce your tactical decisions.

Control your airsoft replica from your iOS, Android, macOS or Windows device using an additional dongle—USB-Link or BluLink
Set trigger sensitivity exactly as you like and adjust other ASTER V2 SE settings in a simple way
Use automatic Pre-Cocking to gain a trigger reaction just like in a real replica