Unlock elite-level performance and customization with the GATE ASTER SX Drop-In Programmable MOSFET Module (Model: V2 SX Expert / Rear Wired / Quantum Trigger). Designed for Version 2 AEG gearboxes, the ASTER SX is the natural evolution of the popular ASTER SE, delivering improved durability, brushless motor compatibility, and unmatched trigger response straight out of the box. Whether you’re pushing high-torque builds or need extreme precision in milsim scenarios, ASTER SX is your plug-and-play solution to transform any AEG into an advanced training system.

Right out of the package, the ASTER SX comes equipped with GATE’s revolutionary Quantum Trigger, allowing ultra-fine sensitivity tuning with up to 60 levels in the first millimeter of movement. It’s a true hair-trigger setup, engineered for competitive airsoft players and marksmen alike. You don’t need to purchase or connect a USB-Link or Blu-Link to get started—simply drop the unit in, follow the trigger-based calibration, and you’re operational with next-gen performance in minutes.

The ASTER SX boasts a new, noise-resistant trigger detection algorithm, paired with an advanced multi-layer PCB shielded against electromagnetic interference (EMC). This means more reliable performance in high-demand builds, even under the strain of brushless motors and batteries up to 11.1V. The integrated voltage boost converter and enhanced efficiency help maintain stable operation under extreme loads and spring tensions up to M200.

Customize your setup effortlessly via trigger-based programming or pair with a USB-Link/Blu-Link to unlock the full capabilities through the GCS (GATE Control Station) App. Through GCS, you can adjust trigger sensitivity, select pre-cocking levels (LOW, MID, HIGH), configure Active Brake settings (Adaptive, 100%, 60%, or Brushless Mode), simulate magazine capacity, and manage selector modes like SAFE, SEMI, and the highly demanded BINARY firing option.

Thanks to automatic Pre-Cocking, your replica is always ready to fire with a realistic trigger response similar to a real firearm. The ASTER SX intelligently adapts to your battery's voltage and rate of fire, setting the piston position automatically for rapid follow-up shots. All of this can be done without any additional tools—just use your trigger and selector to navigate and adjust settings on the fly.

The ASTER SX is a forward-thinking ETU that supports the entire GATE Ecosystem, including connectivity with smartwatches, STATUS modules, and future upgrades. Firmware updates are seamless and can be done via the internet, giving you access to new features and performance enhancements over time.

This model’s rear-wired configuration and compatibility with most Version 2 AEG gearboxes make it ideal for rifles like the M4, SCAR, and others using standard rear buffer tube wiring layouts. With one of the most durable ETU builds available—featuring a 1mm thick PCB—it’s built to endure the rigors of high-speed, high-power gameplay.

Key Features:

• Rear Wired ASTER SX MOSFET with included Quantum Trigger

• Trigger sensitivity adjustable to 60 levels within the first mm of movement

• Full compatibility with brushless motors and M200 springs

• Self-learning Pre-Cocking: LOW / MID / HIGH

• ROF control, Active Brake adjustment, and BINARY fire mode

• Automatic error detection, diagnostics, and firmware updates via GCS

• Supports USB-Link, Blu-Link, and GATE Ecosystem devices

Specifications:

• Voltage: 3.75–12.9V | Current: 23mA | Deep Sleep: 288µA

• Size: 43.8mm x 28.7mm x 7.7mm | Weight: 23.35g

• Operating Temperature: -15°C to +50°C

• Compatibility: Most V2 AEG gearboxes

• Includes: ASTER Module, Quantum Trigger, Install Kit, Programming Card, Patch, Guide

If you want industry-leading speed, adaptability, and trigger control in your next AEG build, the GATE ASTER SX Expert Module is your all-in-one solution.