The GATE ASTER SX EXPERT for V2 Gearbox + Quantum Trigger is a high-performance Electronic Trigger Unit (ETU) designed for standard Version 2 AEG gearboxes. Built with advanced optical sensors and paired with the GATE Quantum Trigger, this set delivers ultra-fast response, precise trigger control, and intelligent protection for your AEG.
ASTER SX EXPERT offers advanced firing cycle control, diagnostics, and programmable features through GATE Control Station, making it ideal for competitive, high-speed, and reliability-focused builds.
Features
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Designed for standard V2 AEG gearboxes (M4 / M16 platforms)
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Optical sensors for wear-free, ultra-precise detection
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Includes GATE Quantum Trigger for crisp, adjustable trigger feel
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Active braking for precise cycle stopping
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Precocking support for faster trigger response
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Smart battery protection with low-voltage detection
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Self-diagnostics and error reporting
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Compatible with GATE Control Station (USB-Link / Blu-Link required)
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Firmware upgradable (EXPERT feature set)
Specifications
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Type: Electronic Trigger Unit (ETU / ECU)
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Gearbox Compatibility: Version 2 (standard AEG, non-NGRS)
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Sensor Type: Optical
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Trigger Type: GATE Quantum Trigger (included)
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Battery Support: LiPo / Li-ion / NiMH
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Connectivity: USB-Link / Blu-Link (sold separately)
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Firmware Level: SX EXPERT
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Brand: GATE
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Origin: Made in Poland
What's Included
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1x GATE ASTER SX EXPERT ETU (V2)
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1x GATE Quantum Trigger
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Wiring harness and installation accessories (as provided by manufacturer)
Important Notes
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Compatible only with standard V2 gearboxes (not TM NGRS or proprietary systems).
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Professional installation is strongly recommended.
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Programming requires USB-Link or Blu-Link (not included).
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Ensure proper shimming and gearbox alignment before installation.
