Circuit Lap Timing
Measure current, previous, and best laps on known circuits or set a custom start and finish line for a new layout.
25 Hz GPS performance system
G-Box
One device for lap timing, drag runs, telemetry, and driver analysis. Use the built-in display on its own, connect the G-Box app by Wi-Fi or Bluetooth, or send high-rate GPS data to a compatible third-party app.
$199
USD per unit. Shipping and applicable taxes are confirmed separately.
No payment is taken on this website. Send the order request and our team will reply with availability, final shipping cost, payment instructions, and delivery timing.
25 HzGPS speed and position
64 GBOnboard session storage
3000 mAhRechargeable battery
Wi-Fi + BluetoothFlexible wireless setup
Six jobs, one compact device
Useful from the first green flag to the last data review
G-Box replaces separate lap-timing, acceleration-test, GPS-receiver, and telemetry-recording hardware with one simple cockpit system.
Drag and Acceleration
Record 0-100, 0-200, 100-200, rolling acceleration, and braking tests with a complete 25 Hz speed trace.
Live Best-Lap Delta
See whether the current lap is gaining or losing time and connect each driving change to the result while it still matters.
Power and OBD Analysis
Estimate vehicle performance from acceleration data and combine GPS telemetry with compatible OBD data in the G-Box app.
Standalone Recorder
Drive without a phone. The color display, internal battery, and 64 GB storage keep timing and telemetry available in the car.
External GPS Receiver
Use G-Box as a high-rate GPS source for compatible apps such as RaceChrono and Harry's LapTimer.
One box, three ways to drive
Use the setup that fits the session
G-Box does not require one fixed workflow. It can be the complete lap timer, the sensor for the G-Box app, or the external GPS receiver for software you already use.
Standalone in the car
Mount it, select the circuit, and drive. The 3.5-inch color touch display shows lap, delta, speed, and performance data while onboard storage keeps the session.
With the G-Box app
Connect by Wi-Fi or Bluetooth for live timing, video, GPS and G-force graphs, compatible OBD data, power analysis, leaderboards, and session sharing.
With compatible apps
Use G-Box as a 25 Hz external GPS receiver when your preferred lap-timing app supports the available Bluetooth, Wi-Fi, or NMEA data workflow.
Performance testing
Numbers you can repeat, not stopwatch guesses
G-Box samples speed and position up to 25 times every second, preserving the complete run instead of only the final number. Compare runs, check where the car gains speed, and review the same data later in the app.
High-rate GPS data makes short acceleration and braking tests more consistent and easier to compare across setup changes.
0-100Standing acceleration to 100 km/h with a complete speed trace.
0-200Extended acceleration testing for higher-performance cars.
100-200Compare rolling performance without launch variability.
BrakeReview deceleration, stopping performance, and repeatability.
Technical details, in driver language
Fast GPS data, real storage, and no phone required
The hardware is built for a full day at the circuit: multi-satellite positioning, local recording, a readable display, and two wireless connection options.
25 HzGPS update rateUp to 25 position and speed samples per second for timing and smoother traces.
Multi-systemSatellite positioningGPS, GLONASS, Galileo, and additional supported satellite constellations.
64 GBOnboard storageKeep sessions in the device for standalone use and later review.
3000 mAhRechargeable batteryRun the device without depending on a phone for power or recording.
Wi-FiHigh-rate connectionTransfer live GPS and telemetry to a compatible phone workflow.
BluetoothFlexible wireless setupConnect to the app or a compatible external-GPS workflow.
3.5 inColor touch displayClear lap, delta, speed, GPS, and performance screens in the cockpit.
OBD-readyVehicle data workflowCombine GPS telemetry with supported OBD data in compatible setups.
Designed around the driver
Simple in the cockpit. Detailed in the paddock.
During the run, the screen prioritizes the numbers that matter now. After the run, the stored session becomes a map, speed and G-force trace, video overlay, power estimate, or leaderboard entry.
System tracks make common circuits quick to select, while custom start and finish markers keep private courses and new layouts usable from day one.
Circuit useHPDE, track days, time attack, club racing, and driver training
Performance tests0-100, 0-200, 100-200, rolling acceleration, and braking review
Live displayCurrent lap, best lap, previous lap, delta, speed, and acceleration
Session dataGPS position, speed, longitudinal G, lateral G, lap times, and track information
WirelessWi-Fi and Bluetooth for flexible phone, OBD, and external-GPS workflows
Phone workflowG-Box app for video, maps, graphs, analysis, power estimates, and sharing
Standalone useBuilt-in display, battery, and 64 GB storage allow phone-free recording
Order price$199 USD per G-Box unit, before shipping and applicable taxes
G-Box Lap Timer for iPhone
The drive ends. The useful part of the data begins.
Turn every recorded session into something you can inspect, compare, share, and improve on the next time out.
Race dashboardLive lap, delta, speed, sectors, and G-force.
Telemetry mapsTrack position, speed coloring, braking, apex, and exit markers.
Graphs and comparisonCompare speed, longitudinal G, lateral G, and selected laps.
Video and overlaysReview onboard footage with synchronized driving data.
Power analysisEstimate performance from GPS acceleration and compatible OBD data.
Community resultsPublish verified laps and compare cars, drivers, and classes.
Order request
Reserve your G-Box
Send the delivery details below. RACEMEASURE LLC will review the destination and reply by email with availability, shipping, applicable taxes, payment instructions, and an estimated delivery date.
Unit price
$199 USD
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