Name: MK3
Brand: RUICTEC

Overview

The positioning helmet card is a smart device based on LoRaWAN / 4G Cat1, with built-in motion, Bluetooth and GPS sensors. Combined with Bluetooth beacons, it provides indoor/outdoor personnel positioning: 1–4 m indoors and 1–2 m outdoors.

Specifications

Model	MK3
Frequency Band	Free ISM band, 470–510MHz
Positioning Solution	outdoor positioning:SupportedGPSBeiDoudual-band dual-mode; indoor iBeacon (Bluetooth)
Positioning Accuracy	1–2 m GPS (outdoor), 0.3–3 m (indoor)
Gyroscope	Yes, supports power-saving in stationary state
Battery	1500 mAh Li-Po
Charging	Pogo pin
Speaker	1.3W waterproof speaker, supports voice broadcast and command dispatch
Buttons	1-SOS button, 2-power button
Operating Time	> 120 h (GNSS interval 60 s)
Ingress Protection (IP Rating)	IP67
Dimensions	63×48×22 mm (L×W×H)
NFC Tag	Optional
Time Synchronization	Time synced with GPS/LoRaWAN base station
Indicator Lights	Dual-color indicator, for SOS alarm and charging indication
Barometer	Optional
Voice/Position Storage	Supported
Satellite Acquisition	Tracking -165dBm Acquisition -163dBm (hot) / -148dBm (cold)
Operating Temperature	-20°C ~60°C
Data Upload Frequency	Max 5s as required; no report when stationary
Positioning Time	Cold start 38S Hot start 1S Re-acquisition < 1S
Charging Voltage	5V

Key Features

The helmet card supports BLE and GPS/BeiDou positioning by default. BLE and GPS can be controlled independently—users may disable either or use both.