Our work / MAYDIX GPS Tracking Bracelet
GPS Tracking Bracelet: Electronics Prototyping
MAYDIX GPS Tracking Bracelet
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Written by Ashok Chintagunta, MS Computer Science, Louisiana Tech University
CTO & Software Engineer, AI and Automation
Published August 10, 2026
Ardelia and Gary Mays needed a GPS tracking bracelet for children and elderly users that works standalone — no paired phone. We engineered the custom PCB, antennas, and sensors into a 3D printed elastic band under one inch wide with a two-hand safety buckle, and built the registration network and guardian app. The client now uses the functional prototype to raise funds and prepare mass production.
Project at a glance
- Industry
- Wearable electronics and personal safety
- Starting point
- A concept for a GPS-tracking wearable that had to be small enough to wear
- What we delivered
- Industrial design, enclosure engineering, electronics layout and prototype build
- Engineering focus
- Fitting antenna, battery and PCB into a wearable envelope without killing signal or run time
- Deliverables
- CAD, electronics package, working prototypes
- Outcome
- A wearable prototype the client can demonstrate and test
This bracelet is not a product we sell
LA NPDT is a product development company. We designed and prototyped this GPS tracking bracelet for a client, and we can develop a similar device built around your own requirements — form factor, battery life, tracking accuracy, cellular or LoRa, enclosure and certification path. Send us your specifications and we come back with a development cost and timeline.
The client
The challenge
Our solution
The result
GPS tracking bracelet development at a glance
| Product | Wearable GPS tracking bracelet reporting straight to the cloud |
|---|---|
| Scope | Custom PCB design, firmware, antenna and battery sizing, enclosure |
| Key constraint | No paired smartphone - the device connects on its own |
| Deliverables | Schematics, PCB layout, working prototype, wearable housing |
| Typical timeline | 4-7 months for a connected wearable of this class |
The problem: a tracker that cannot depend on a phone
Most consumer GPS tracking bracelets lean on a paired phone for connectivity. MAYDIX wanted the bracelet to report location on its own, which turns a simple wearable into a real electronics project: a GNSS receiver and a cellular radio in a wrist-sized envelope, two antennas that must not fight each other, and a battery that still lasts a useful day.
What we engineered
We designed the custom PCB around the smallest viable module set, laid out antenna keep-outs and ground planes to protect GPS sensitivity, sized the battery against a measured duty cycle rather than a datasheet, and built the wearable enclosure around the finished board so comfort and radio performance were resolved together.
Frequently asked questions
What does it cost to develop a GPS wearable?
A connected wearable with custom electronics typically runs $40,000-$120,000 through schematic, layout, firmware, enclosure and prototypes.
Can you do the firmware and the cloud side?
Yes - firmware, device provisioning and the backend the device reports to are all in scope for our team.
Is this bracelet for sale?
No. This is client development work shown as a case study; we build products like it for other companies and inventors.
Capabilities used on this project
Rapid prototyping services
3D printing, CNC machining, urethane casting and functional prototype builds with published materials, tolerances and lead times.
Electronic design and PCB engineering
Schematic capture, PCB layout, firmware and electromechanical integration for connected hardware.
How a standalone GPS bracelet fits in a one-inch band
Restart from a non-functional prototype
The client arrived with a prototype whose components were too bulky to fit the intended design. We started from scratch with custom PCB design, changing the electronics system and components across several iterations until everything fit.
Standalone connectivity, not Bluetooth
Most wearables lean on a phone. This bracelet needed a GPS tracking microchip and antennas strong enough to transmit on their own — all inside a discreet band under one inch wide that doesn't look like a tracker.
Safety enclosure plus the app ecosystem
The electronics are fully encapsulated in 3D printed elastic rubber with a buckle that requires pressing both sides simultaneously — impossible to open one-handed. Motion, gyro, temperature, and speed sensors detect falls and orientation. We also built the device-registration network and the guardian mobile app showing real-time location.
| Attribute | Bluetooth tracker | Standalone bracelet (this project) |
|---|---|---|
| Connection | Relays through a paired phone | Own GPS chip and antennas, direct to network |
| Electronics | Off-the-shelf module | Custom PCB sized to the band |
| Enclosure | Plastic case | Electronics encapsulated in elastic rubber |
| Safety | Standard clasp | Two-hand buckle, sensor suite (motion, gyro, temp, speed) |
| Software | Vendor app | Custom registration network and guardian app |
Questions about this project
Straight answers from the engineers who ran the build. Have a different question? Ask us directly.
Talk to an engineerCan a GPS tracker work without a smartphone nearby?
Yes, but it needs its own GPS chip and antennas — which is the hard part. For this bracelet we selected a tracking microchip and antennas strong enough to transmit independently and engineered the custom PCB to fit a band under one inch wide.
What do electronics prototyping services include?
Custom PCB design, component selection, firmware and system integration, enclosure engineering, and working prototypes. For this client it also included the device registration network and the guardian mobile app.
How do you make a wearable safe for children and elderly users?
We encapsulated all electronics in soft elastic rubber and designed a buckle that opens only by pressing both sides at once — impossible one-handed. Motion, gyro, temperature, and speed sensors add fall and orientation detection.
What can I do with a functional electronics prototype?
Exactly what this client is doing: demonstrate real capability to investors, run crowdfunding, and finalize the development path toward mass production.
Industries this project belongs to
See how we approach development in each of these categories, and the other products we have taken from sketch to production there.
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