FOUR WAYS TO TAKE CONTROL
Pair SOL with a compatible ASTER II or TITAN II to unlock four additional features.
Assign tracer or muzzle flash settings to selector positions in GCS. For example, set the tracer on for the SEMI position and off for AUTO. Both selector positions can be configured to fire in semi-auto, so you can switch your tracer on and off during the game without reaching for your phone. The same control is available for muzzle flash.
SOL and your ETU detect shots where no BB leaves the barrel. An alert lets you know it is time to check your magazine and feeding.
Set your FPS limit in GCS and choose an audible warning or a muzzle flash. You can also enable your ETU to block further firing after a shot exceeds the limit.
Follow the steps in GCS and fire the requested shots. SOL measures BB velocity, while your ETU automatically adjusts valve timing. Adjust pressure manually at the regulator, following the app’s guidance.
All four features require a compatible ASTER II or TITAN II. Tracer illumination, muzzle flash, chronograph readings and SOL settings in GCS also work without a GATE ETU.
CONNECTED BY DESIGN
Tracer, multicolor muzzle flash and chronograph in one compact device. Connect to GATE for the four integration features above.
HOW IT WORKS
The ETU knows a shot was fired. SOL detects BB passage and measures muzzle velocity. GCS gives you access to readings and settings. Working together, they turn measurements into the alerts, selector control and calibration described here.
KEEP YOUR HANDS ON THE GAME
Assign tracer or muzzle flash settings to selector positions in GCS. For example, set the tracer on for the SEMI position and off for AUTO. Both selector positions can be configured to fire in semi-auto, so you can switch your tracer on and off during the game without reaching for your phone. The same control is available for muzzle flash.
Semi-auto · tracer ON
Semi-auto · tracer OFF
Example configuration: both selector positions are set to semi-auto fire. You can control muzzle flash in the same way. Requires a compatible ASTER II or TITAN II.
KNOW WHEN NO BB LEAVES THE BARREL
SOL and your ETU detect shots where no BB leaves the barrel. An alert lets you know it is time to check your magazine and feeding.
KNOW WHEN YOU EXCEED YOUR LIMIT
Set your FPS limit in GCS and choose an audible warning or a muzzle flash. You can also enable your ETU to block further firing after a shot exceeds the limit.
LESS GUESSWORK. MORE DIRECTION.
Follow the steps in GCS and fire the requested shots. SOL measures BB velocity, while your ETU automatically adjusts valve timing. Adjust pressure manually at the regulator, following the app’s guidance.
Supports single- and dual-solenoid engines. GATE patent pending.
SET IT UP. YOUR WAY.
Choose tracer modes, muzzle flash colors and effects in GATE Control Station. Check measurements, device status and firmware updates in the same place.
Use SOL on its own with GCS, or connect it with compatible GATE devices. SOL supports simultaneous connections to multiple devices.
MAKE TUNING MEASURABLE
Check muzzle velocity and rate of fire without removing your tracer. Enter your BB weight in GCS to see energy in joules, then compare readings as you adjust your setup.
Chronograph readings and SOL configuration in GCS work without a GATE ETU.
Muzzle velocity
Rate of fire
Energy calculated from BB weight
Supported measurements can also be displayed on STATUS Mini.
SEE WHAT YOUR TUNING CHANGES
Find out how a change in settings affects your gun’s response. With a compatible ETU, SOL measures the time from trigger activation to the BB leaving the barrel — trigger-to-muzzle.
Compare the results across settings to see the effect of your tuning.
LET YOUR SETUP SHOW
Illuminate green or red tracer BBs and choose your own muzzle flash. Go with one RGB color, a rainbow effect or a sequence that changes as you shoot.
One selected RGB color.
A rainbow muzzle flash.
Up to 7 configurable RGB layers.
Up to 7 colors, changing after a set number of shots.
Tracer modes: NORMAL illuminates every tracer BB; SNIPER illuminates selected BBs at intervals; OFF disables tracer illumination. Other functions are configured separately.
CHOOSE YOUR SETUP
Use SOL’s basic on-device controls for tracer illumination and muzzle flash — no phone or GATE ETU required. Connect to GCS for chronograph readings, configuration, device status and firmware updates.
Add compatible GATE hardware for the integration features below.
Tracer and muzzle flash. Chronograph readings, configuration, device status and firmware updates in the app.
Selector control of tracer and muzzle flash, alerts when your gun fires without BBs, FPS warnings with optional lockout of further firing after an over-limit shot, and trigger-to-muzzle measurement. With HPA: automatic valve-timing calibration.
See supported measurements on a compact display. The full-size STATUS is not compatible.
Compatible ETUs: TITAN II Bluetooth® for V2; ASTER II Bluetooth® for V2 and V3; GATE PTX with its built-in ASTER II. ETU features work across BASIC/ADVANCED tiers with no extra unlock fees. Additional hardware is sold separately.
READY WHEN YOU MOVE
Move your gun to wake SOL. Disable device sounds when you want to change settings quietly. Recharge the built-in battery through USB-C.
At 85.3 g without the adapter and 90 mm long, SOL combines three functions without adding a separate chronograph to your setup.
ON THE FIELD. AT THE WORKBENCH.
Configure it before the game. Check what your tuning changes. Connect the GATE devices you already use.
Bring ASTER II or TITAN II settings and SOL readings together in GCS. This also includes PTX with its built-in ASTER II.
Compare muzzle velocity, ROF and shot-to-shot consistency. Add a compatible ETU to measure trigger response.
Work through automatic engine calibration with guidance from GCS. Adjust pressure manually following the app’s instructions.
Use tracer illumination and muzzle flash. With a compatible ETU, switch their settings with your fire selector.
Use tracer illumination and muzzle flash with SOL’s basic controls. Connect to GCS for chronograph readings and SOL configuration.
THE DETAILS
| BB compatibility | Standard 6 mm; green and red tracer BBs |
|---|---|
| Velocity measurement | Below 400 m/s |
| Measurement accuracy | ±1% at 100 m/s |
| Maximum continuous ROF measured | 35 RPS |
| Dimensions | Ø32 × 90 mm |
| Weight | 85.3 g without adapter |
| Mount | M14 CCW (M14−) |
| Battery | Built-in 3.7 V / 450 mAh Li-ion |
| Charging | USB-C · 5 V DC / 1 A · approx. 2.5 hours |
| Battery life | Up to 24,000 activations: tracer only Up to 12,000: tracer + flash, or flash only |
| Product code | SOL-1 |
USB-C cable is not included.
The inner barrel must protrude less than 10 mm beyond the end of the mounting thread and must not obstruct SOL’s sensors.
Charge for at least 3 hours before first use. Battery life varies with operating mode and conditions.
No. Tracer illumination and muzzle flash work with SOL’s basic controls. Connect to GCS for chronograph readings, configuration, device status and firmware updates. ETU-related functions require a compatible ASTER II or TITAN II.
Yes. Assign tracer or muzzle flash settings to selector positions in GCS. Requires a compatible ASTER II or TITAN II.
You adjust pressure manually at your regulator, following GCS guidance. SOL measures BB velocity and the compatible ETU automatically adjusts valve timing. Single- and dual-solenoid engines are supported.
SOL supports standard 6 mm BBs as well as green and red tracer BBs. Tracer illumination requires tracer BBs. Enter the correct BB weight in GCS for energy calculations.
Yes, through PTX’s built-in ASTER II. Connect and configure the devices in GCS. The included M14− to M11+ adapter is part of the SOL kit.
No. ETU-related features are available across BASIC/ADVANCED tiers without additional unlock fees. You do need compatible hardware; the ETU, STATUS Mini and any gun shown are sold separately.
All units from the limited first batch ship in early November 2026. Your entire order ships together, including an AIRTAC adapter or any other in-stock items ordered with SOL.
CONNECTED BY DESIGN
SOL is a GATE × ACETECH product, bringing tracer technology into the GATE Ecosystem.
