Handheld Scanner · JS4
professional handheld scanner
Premium professional UHF RFID handheld scanner designed for high-speed, long-range jewellery inventory management with JAMS. The JS4 combines powerful RFID scanning, an integrated Android touchscreen computer and advanced wireless connectivity in a rugged standalone device for demanding jewellery inventory operations.

Overview
The GEM Professional Smart Scanner JS4 is a premium standalone UHF RFID inventory terminal designed for professional and high-volume jewellery environments using the JAMS Jewelry Asset Management System.
Combining long-range RFID scanning with an integrated Android computer, high-resolution touchscreen and wireless connectivity, the JS4 allows staff to perform complete inventory operations without requiring a separate phone, tablet or computer.
The JS4 is designed for rapid detection of multiple JAMSY-tagged jewellery items across showcases, sales floors, stockrooms and other inventory areas.
Its high-performance RFID system is particularly suited to larger stores, frequent stocktakes and environments where inventory speed and mobility are important.
Integrated Wi-Fi, Bluetooth and mobile connectivity allow the terminal to communicate with compatible systems while staff move freely throughout the store.
The rugged construction and large high-resolution display make the JS4 suitable for intensive day-to-day professional use.
Key Features
Premium professional UHF RFID scanner
Standalone Android operation
High-performance long-range RFID scanning
Rapid multi-item inventory detection
5.2-inch Full HD touchscreen
Wi-Fi connectivity
Bluetooth connectivity
Mobile network connectivity
Integrated camera
GPS/GNSS capability
Expandable storage
Rugged IP65 construction
Optional barcode and NFC capabilities
Designed for professional JAMS inventory workflows
Compatible with JAMSY jewellery tags
Technical specifications
- Product Name
- GEM Professional Smart Scanner
- Model
- JS4
- Device Type
- Professional Handheld UHF RFID Inventory Terminal
- RFID Technology
- Passive UHF RFID
- RFID Standard
- EPC Gen2 / ISO 18000-6C compatible
- RFID Operation
- Long-range multi-tag scanning
- Operating System
- Android
- Processor
- Octa-core
- Memory
- Up to 4 GB RAM
- Storage
- Up to 64 GB internal storage
- Expandable Storage
- Supported
- Display
- 5.2-inch Full HD IPS touchscreen
- Display Resolution
- 1920 × 1080
- Connectivity
- Wi-Fi, Bluetooth & mobile network
- Camera
- 13 MP autofocus
- Location
- GNSS supported
- Protection
- IP65 rated
- Optional Functions
- 2D barcode scanning and NFC
- System Compatibility
- JAMS Jewelry Asset Management System
- Primary Application
- Professional high-volume jewellery inventory scanning