8 ألوان 30AWG سلك التفاف سلك B-30-1000 UL1423 0.25 مللي متر المعلبة النحاس الصلبة PVC العزل كابل الطائر العزل 250m

Heltec T114 V2 Meshtastic Tracker Nordic nRF52840 SX1262 GPS LoRaWAN LoRa Arduino Positioning Devboard Low Power BLE

90% New Chip UM980 UM982 BDS/GPS/GLONASS/Galileo/QzsS 4G Full-frequency High-precision RTK Positioning Module 1-2cm 1cm+1ppm

Waterproof 4G Children's Smartwatch with GPS Positioning Kids AGPS LBS WiFi SOS Camera Smart Watches Music Playback 800mAh