Designing and building wearables
Since 2007
Intellectual property
434 patents, 50 of them invention patents
Manufacturing capacity
10M+ units per year manufacturing capacity
Engineering speed
4–6 weeks from brief to a buildable plan
Wearable ODM / OEM · Since 2007
The wearable engineering partner behind brands you trust.
Tendvi designs, engineers and manufactures smartwatches and industrial wearables for brand owners, distributors and industrial teams — from product definition to mass production.
5G RedCap · 4G LTE · GEO satellite · IoT NTN · UWB
We have delivered for brands including Fiyta, Sinopec, PetroChina and BYD.
Technology partners
Edge-AI watch platform
AI that stays on your wrist.
A watch platform with a dedicated on-device AI chip. Transcription, translation and recognition work offline and are processed on-device, ready to launch under your own brand.
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Offline
Works with no network, with no per-call cloud API cost.
Private
Recordings, transcripts and images are processed on-device.
What we do
One engineering partner, from brief to mass production.
Bring a brief, a sketch or an existing product. We take it through definition, design, engineering, validation and production — or step in wherever you need us.
01
ODM / OEM development
Product definition, industrial design, hardware, firmware, companion app and production, run as one programme with one team.
Explore ODM / OEM →
02
Industrial & worker-safety wearables
Rugged connected watches for field and plant teams: one-press SOS, indoor and outdoor positioning, team messaging and heart-rate and SpO₂ monitoring, integrated with your dispatch platform.
Worker safety solutions →
03
Satellite & 5G platforms
One rugged platform in four connectivity configurations — 5G RedCap, 4G, GEO satellite and IoT NTN satellite — for teams that work beyond reliable coverage.
Satellite & 5G →
04
On-device AI watches
An edge-AI productivity watch platform with a dedicated AI processor: transcription, translation and image recognition, processed on the device.
See the platform →
Platforms
Start from a proven platform.
Reference designs you can brand, customise or use as the base for something new. Your own ID, or ours.
Solutions
Built for work that can’t wait for a signal.
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Worker safety & industrial
For projects in hazardous environments such as mines and power utilities, and on busy factory floors: SOS, indoor and outdoor positioning, geofencing and two-way messaging — connected to your dispatch platform.
Learn more →
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Satellite & 5G connectivity
Satellite messaging and SOS from the wrist when cellular coverage drops out, and 5G RedCap where it doesn’t. Built on one platform, configured for your network.
Learn more →
How we work
A clear path from brief to shipment.
01
Brief & feasibility
Your goals, market and constraints, checked against what the hardware can do.
02
Definition & quotation
Feature set, platform choice and a project quote.
03
Design & engineering
Industrial design, hardware, antennas, firmware and app.
04
Prototypes & validation
Samples, drop, water and temperature testing, field trials.
05
Pilot run & production
Pilot batch, then mass production and after-sales support.
MOQ · NRE · Lead time
Quoted per project, based on your specification and volumes.
Roadmap
What we’ve delivered, and what’s next.
2024
Delivered
5G RedCap cellular, and deep integration with distributed OS platforms.
2025
Delivered
Direct-to-satellite (GEO) messaging from the wrist, and 5G + UWB long-range communication and precise positioning.
2026
On our roadmap
An on-device AI large-model engine, and long-range underwater acoustic communication and navigation (3,000 m+).
Have a wearable in mind?
Tell us what you want to build. Our engineers reply with questions, options and a quote for your project.