01 / FORM FACTOR
2terminal form factors
On the move.
In the field, together.
The CORE phone and the MAX tablet
give each task its own space to work.
CORE Handheld · PortableMAX Landscape · Collaborative
80:00:00:00
For the field,
a way forward.
Communication terminals by LINKGUARD.
With the CORE phone and the MAX tablet, we explore mobility on the move and collaboration in the field.
01 / CORECommunication and positioning you carry
02 / MAXBigger maps, more information
WAYFINDERMessaging · Maps · Positioning
WAYFINDER / Design data
Architecture decidedOn the move.
02 / CONNECTIVITY
Connectivity,
matched to the task.
CORE has no physical SIM slot.
Every identity runs on eSIM.
MAX takes both nano-SIM and eSIM.
Supported SIM formats do not imply simultaneous dual-SIM connectivity.
CORE
1
SIM format
eSIM
MAX
2
SIM formats
nano-SIM + eSIM
03 / POWER ARCHITECTURE
1SCORE battery architecture
Power, divided
by design.
Main compute and low-power always-on control
are powered separately.
CORE / Power architecture
Input1S battery
Power management
Main computeMediaTek Genio 720
Always-on controlLow-power domain
Cell, capacity, and overall battery life are still under selection and to be verified by testing.
Products
Products and services
CUSTOM
Custom LoRa devices
Circuits · software · enclosures · assembly. Invoices available, individuals welcome, no minimum order.
LATEST
Recent progress
Board layout done, OS reached M0
The first layout of CORE's six-layer carrier board is finished and goes to fabrication once the pinout and mechanical drawings are confirmed. WAYFINDER OS reached M0 on September 27. Next up: lighting up the screen on October 20.
See developmentNew LoRa page
Our range targets (10 km on open ground, 2 km in the mountains), how standby listening works, and the preliminary specs are now on one page.
Read about LoRaWe now build custom LoRa devices
Circuits, software, enclosures and assembly. We can issue invoices, individuals are welcome, and there's no minimum order. For now we only ship within Taiwan.
About custom workApplications
Every field
deserves to be understood.
Development
First 3 engineering samples expected in March 2027.
Hardware, communication and system decisions, and every update along the way, are on the development page.
CONTACT
Start the next conversation
from your field.
Custom LoRa devices, CORE R&D sponsorship, product requirements, and technical exchange