JeffTron LEVIATHAN ASG EVO 3 Optical + Anti-Reversal Latch

Leviathan ASG EVO 3 Optical control unit by JeffTron with front-wired cable.

For ASG CZ Scorpion EVO 3 A1 gearbox (all versions including 1st generation).

Bluetooth programming via JeffTron app (iOS / Android).

Includes CNC anti-reversal latch for pre-cocking.

Also ready for brushless motors.

New configuration options for each selector position.

Technical Specifications

• Gearbox type: ASG EVO
• Programming: Bluetooth app (Android / iOS incl. smartwatches)
• Cycle detection: Optical sensor on sector gear
• Selector detection: Optical sensor with sticker
• Wiring: Teflon (AWG16 & AWG22), front-wired
• Voltage: 8.4–17 V (NiMH, LiPo, LiFe)
• Protections: Current, temperature, undervoltage
• RFTS support: No
• DSG support: Yes
• Accessory support: Input & output ports

Gearbox Compatibility

• ASG Scorpion EVO 3 A1 (Pro-line & Sport-line incl. 1st gen gearboxes)
• ASG Scorpion EVO 3 A1 B.E.T.
• ASG Scorpion EVO 3 A1 Carbine
• Compatible with standard and CNC triggers

Package Contents

• Leviathan ASG EVO 3 Optical with wiring
• 2x screw pads for securing inside gearbox
• Anti-reversal latch with spring and special screw
• Black Leviathan sticker 40 mm
• Foam for gearbox fit
• Installation manual (download link only, English)

Warnings

• Installation requires advanced AEG gearbox knowledge.
• Follow the manual precisely, including proper optical sensor alignment.
• Most common errors: misaligned sensor, poorly attached sticker, incorrect sector gear height.
• Calibration via app is mandatory before use (light level, cycle, selector position).
• Download the English manual here.
• Compatible smartwatches: Apple Watch Series 3+, Samsung Galaxy Watch 4+, Google Pixel Watch, Mobvoi TicWatch Pro 5, Hublot Big Bang e Gen 3, TAG Heuer Connected Calibre E4, Montblanc Summit.