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Jurgen Hand-Held Unit
The Jurgen Hand-Held Unit (HHU) is a rugged, LoRaWAN-enabled mobile device optimized for walk-by/drive-by data collection.
Designed for utility and IoT applications, it supports remote meter reading, valve actuation, RF noise mapping, and packet error diagnostics in the field.
Product Details
Specifications
Items | Parameter | Specifications |
| Hardware | Module | LoRa module, GPS module, WIFI / BLE module |
Sensor | Temperature Sensor | |
Kernel | STM32476X | |
Clock | 12MHz | |
Size (mm) | 167*67*27 | |
Interface | Mini USB | |
Power supply | Rechargeable built-in lithium battery | |
Storage | SD memory card | |
Standby Current (Interview Screen) | 21.8 mA | |
Shutdown Leakage Current | 36 uA | |
Transmit Power | 20dBm max@434MHz/470MHz 20dBm max @868MHz/915MHz | |
Receiving Sensitivity | -139dBm @SF12, BW125kHz, 434MHz/470MHz -137dBm @SF12, BW125kHz, 868MHz/915MHz | |
TTFF（Open Area） | 30 s | |
ESD | Contact discharge Air discharge ±4KV | |
System | RT Thread | |
Software | Firmware upgrade | USB upgrade |
SD Card File System | FAT32 |
