About

Built by engineers,
for the engineers who run the network.

Mobile networks are getting more complex, while the way they're taught hasn't kept up. Specifications are dense. Slide decks are static. Lab time is expensive and tied to specific vendors. We're building the platform we always wanted: an always-on, always-current, interactive guide to how 4G LTE and 5G Core really work.

Mission

Make the invisible visible.

Every signaling message in 4G and 5G has a purpose, parameters, and a story. We surface that story so engineers can build, operate and troubleshoot networks with real understanding — not just rote memorization.

Visual first

Every procedure is an animated call flow. You watch, you click, you understand. No more squinting at sequence diagrams in 200-page PDFs.

Specification-true

Every message cites the 3GPP TS it comes from. We trace the procedures back to the source so you can drill into the standard whenever you want.

Always interactive

Simulators let you turn the dials, inject failures and watch the network respond. Learning sticks when you can break it and fix it.

Who it's for

Anyone who needs to understand a mobile network end to end.

Students

Learning telecom from the ground up — animations, quizzes and certificates that show you've done the work.

Telecom engineers

Day-to-day reference for signaling procedures, protocol details and parameter semantics — searchable in seconds.

Senior engineers

Deep protocol analysis, slicing studies and architecture reviews — the layers below the slide deck.

Lecturers

Live classroom demos that don't require a vendor lab. Embed procedures directly into your courses.

Operator staff

Run internal training programs with reporting, team accounts and your own custom modules.

Vendors & integrators

Onboard new engineers fast and benchmark their understanding before they touch production.

How we build

Design first. Code second. Always documented.

Every architectural decision lives in the open in our design package — system architecture, data model, REST API, security, infrastructure and a phased roadmap. We treat the build like a long-running engineering project, not a sprint of demos.

Phase 0
Architecture & technical design package — system, data, APIs, security, infrastructure, roadmap.
In progress
Phase 1
Foundation: identity, subscriptions, call flow engine, first curated LTE / 5G procedures, admin basics.
Next
Phase 2
Simulators (slicing, QoS, internet access, resource), full LMS with quizzes and certificates, exports.
Planned
Phase 3
Fault simulator, AI assistant grounded in our corpus, advanced reporting, enterprise / team accounts.
Planned
Phase 4
Live PCAP analysis, Open5GS / Free5GC integration, 5G Core digital twin and multi-vendor procedure variants.
Vision

Want to shape what we build?

Early-access members get a direct line to the team and a permanent discount on Professional.