User Guide

Table Of Contents
Multi-Protocol Tag Commands
54
Examples
An example command requesting Read Count, AntennaID and Timestamp Metadata
Flags = 0x0001 OR 0x0004 OR 0x0010 = 0x0015 is as follows:
A response contains the following information:
Get EPC and Metadata Response Fields
FF 03 29 00 15 00 97 55
SOH Length OpCode Metadata Flags Read Options CRC
Field Length Value
SOH 1 byte 0xFF
Length 1 byte Based on data returned
OpCode 1 byte 0x29
Metadata Flags 2 bytes Metadata contained in response
Read Options 1 byte As sent in request
Tag Count 1 byte Number of tags in response
Read Count 1 byte Tag EPC/Antenna Read Count
RSSI
1
1 byte Return Signal Strength Indicator
Antenna ID
1
1 byte Antenna ID, 4 MSBs for TX and 4
LSBs for RX
Frequency
1
3 bytes Frequency in kHz
Timestamp
1
4 bytes RTC Timestamp