Billing and plan limits
How Sentinel handles billing, plans, and near-limit usage notices. Why it pays to check before getting an unexpected overage.
April 18, 2026Read article
Sentinel Field Notes
Field operations, without improvisation
Tactical map, geofences, SOS, mobile app, and real cases. The Sentinel guide expanded with FAQs and operational context, in English.
Explore by area
3 articles
Getting started
Your first steps with Sentinel
1 article
Hardware
LoRa nodes, gateway, and firmware
5 articles
Tactical map
HUD, colors, layers, and mesh
3 articles
Geofences
Zones, rules, and events
5 articles
Mobile app
Field operators
2 articles
Alerts & SOS
Incident response
3 articles
Use cases
Sentinel in the field
3 articles
Management
Account, team, and data
Latest articles
All articles
Creating and editing zones
How to draw polygons and circles in the Sentinel geofence studio, set variant, name with operational criteria, and save without breaking existing rules.
April 18, 2026Read article
Data export
How to export Sentinel fleet data to CSV for external analysis, customer reports, or legal archive. What it includes and how to plan it.
April 18, 2026Read article
Geofence-related alerts and events
Unit transitions in and out of geofences can produce events in the tactical log and notifications in the app. How to leverage them without saturating the team.
April 18, 2026Read article
Geofences in the field
How the Sentinel app notifies field operators on entering restricted zones and how to use operations zones to add context in the dashboard.
April 18, 2026Read article
Geofences on the map
Geofences defined in the studio render as layers on the tactical map, with entry and exit events in the log. What it's for and how to take advantage of it.
April 18, 2026Read article
Handling an SOS
When an operator triggers SOS from app or device, Sentinel raises a high-priority alert and centers the map. The operations center response flow.
April 18, 2026Read article
Heltec V4 — power on and pairing
How to power on, configure, and pair a Heltec V4 node with the Sentinel gateway. Practical checklist before your first field deployment.
April 18, 2026Read article
HUD at a glance
The Sentinel tactical map gathers gateway status, active nodes, event log, and coordinates in a single view. How to read it during operations.
April 18, 2026Read article
Inactivity watchdog (dead man switch)
Sentinel monitors each node's last valid GPS fix and records a warning when an operator stops reporting position for too long. How it works and how to configure it.
April 18, 2026Read article
Language, guide, and command palette
Sentinel ships in Spanish and English with its own product guide and a command palette to open any view in seconds. Get the most out of it from day one.
April 18, 2026Read article
Live data and KV
How Sentinel keeps the panel in sync with live events, periodic snapshots, and a tactical simulator for tests without field hardware.
April 18, 2026Read article
Logistics case: heatmap and mileage
How to combine the heat layer and distance reports in Sentinel to optimize routes, balance bases, and validate coverage SLAs.
April 18, 2026Read article
Mesh visualization
The glowing lines on the Sentinel map connect the gateway with visible nodes. What they represent, what they don't, and how they will evolve with link telemetry.
April 18, 2026Read article
Missions on dashboard and mobile
How to create missions from the Sentinel hub, assign them to a node, and view them in the operator's mobile app. Bidirectional flow between dashboard and field.
April 18, 2026Read article
Mobile app and API
How the Sentinel mobile app syncs geofences from the backend, what features.geofences controls, and how operator position is evaluated in the field.
April 18, 2026Read article
Node colors
Cyan, emerald, orange: each node color on the Sentinel map signals operational state. How to read them and react.
April 18, 2026Read article
Org ID and first-time setup
The Org ID ties the web dashboard, the LoRa nodes, and the mobile app to your organization. How to copy it, link it, and keep it safe.
April 18, 2026Read article
Per-unit threads
Sentinel fleet chat centralizes messaging between the operations center and each identified node. How to leverage it and when not to use it.
April 18, 2026Read article
Profile, settings, and team
Personal profile, experience settings, and team admin: how to manage your Sentinel account and why aliases matter more than they seem.
April 18, 2026Read article
Remote feature flags
The Sentinel app queries /api/mobile/config at sign-in to enable SOS, geofences, and other modules per organization. How these feature flags work.
April 18, 2026Read article
Safety case: Dead Man Switch (lone worker)
For night security and isolated maintenance: how to configure an operational dead man switch in Sentinel and design the escalation SOP.
April 18, 2026Read article
SOS case: when the alarm fires
A live SOS alarm: how the Sentinel operations center responds step by step, from detection to audited incident closure.
April 18, 2026Read article
What is Prysma Sentinel v2?
Sentinel is a field operations platform: live tactical map, SOS alerts, geofences, and a mobile app on top of LoRa nodes. Learn what it solves and who it is for.
April 18, 2026Read article
What they are for
Operations or restricted: Sentinel geofences model two distinct logics. How to choose the right variant for each zone.
April 18, 2026Read article
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