Technical Specifications

Built on open hardware and proven protocols

EMMTRY runs on affordable, standards-based hardware you own outright — managed by a real-time platform with encryption end to end.

Supported hardware

Pick the controller that matches your entrance — or mix and match across a property.

Shelly Plus Uni

WiFi · Bluetooth

  • 2 dry-contact outputs — separate open & close triggers
  • 2 inputs for door / gate position sensors
  • Low-voltage (8–24 V)
  • Best for gates and garage doors

Shelly Pro 2

Wired Ethernet · WiFi · Bluetooth

  • 2 potential-free relays — any-voltage strikes, maglocks & locks
  • Two channels — gate open & close
  • DIN-rail mount, always-on wired connection
  • Best for strikes, maglocks, gates & garages
Coming soon

EMMTRY 5G

5G · NFC · Bluetooth

  • Cellular connectivity — no WiFi or wiring needed
  • On-site access — NFC tap & Bluetooth proximity
  • Self-contained controller for remote sites

Connectivity

Networking
WiFi 2.4 GHz, wired Ethernet, 5G/LTE (EMMTRY 5G)
Local & proximity
Bluetooth Low Energy, NFC tap (on-site)
Transport
MQTT 3.1.1 and secure WebSocket, with Protobuf payloads

Security

Encryption
TLS on every connection between devices, apps and servers
Credentials
Per-person — app, PIN, QR, NFC and remote; passwords hashed with bcrypt
Audit
Every access decision logged — who, what entrance and when
Hosting
EU data centres (Frankfurt), GDPR compliant

Access model

Roles
Owner, admin, member and guest — across accounts, groups and devices
Permissions
Manage, view activity, or use — granted per device or group
Visitor access
Time-bounded schedules that expire automatically
Apps
Native iOS and Android, plus a full web dashboard

Compatibility

Shelly relays
Shelly 1, 1PM, 2PM, 1 Mini, 1PM Mini, Plus Uni, Pro 1, Pro 1PM, Pro 2 and Pro 2PM
Sensors
Shelly BLU Door/Window and BLU H&T for door state, temperature and humidity
Cellular
EMMTRY 5G: LTE-M / NB-IoT with 10 years of connectivity included; NFC and Bluetooth on site
Locks & motors
Works with any electric lock, strike, maglock, gate motor or barrier—no need to replace what you already have.
Standards
Built to meet EN 60839-11-1 access control system principles and ETSI EN 303 645 IoT cybersecurity baseline. Compatible with locks certified to SS-EN 14846, SS-EN 1627–1630 (RC1–RC6), and SSF 3522.

Data & privacy

Consent
Terms and privacy policy accepted per version on first sign-in, and again when they change materially
Your data
Export from your profile as a machine-readable file; deletion with a grace period, after which the account is anonymised
Notifications
Real-time pushes are filtered by permission on the server, so a person only hears about entrances they may see

Need something specific for your installation? Ask our team .