Users Manual

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2.2 2.4GhZ Transceiver Parameters
RF Transceiver: Part of SOC SiLabs EFR32FG14P232F256GM32-B
RF Frequency: 2.405-2.48GHz
Modulation type: QPSK
RF Channels: 5MHz separation 16ch
Occupied Bandwidth: 2.25MHz
Baud Rate: 250Kbps
Output power: 4dBm max
Antenna type: PCB Omni-directional
Antenna gain: Average -6.94dBi (Max gain: -1.69dBi) – final TBD
Average RF data: TX - 2 msg of 4ms every 20min; Rx - 4 msg/hour of 1ms
2.3 TAG – BU/SH communication overview
Tag
Tag initiate sending data
BU500 Tag
BU initiate sending messages
BU500
20 minutes
RF
Legend:
*When no ACK from tag
No retries when tag sends data
2.4 NFC Parameters
Utilizing Passive internal HFC High-Frequency inlay (IC and Antenna) complying with the
following standards
• ISO/IEC 15693-2, -3
• ISO/IEC 18000-3 Compliant
• 13.56-MHz Operating Frequency