Ubisys 7047, Reference Manual

Page: 12 / 54

12 www.ubisys.de

Syntax
Request AT+I

Response
+UID=<uid>,+RSSI=<main>/<aux> [possibly repeated or absent]
OK
ERROR automatic scan mode (section 0) enabled
Example
Request AT+I

Response
+UID=E004020000RSSI=6/6
+UID=E004020000RSSI=3/2
OK
5.2.8. Inventory Scan (without Anti-Collision)
Requests an inventory scan without anti-collision. Returns the 64-bit unique identifier of the identified
tag and the received signal strength indicators, as reported by main and auxiliary receivers. If no tag
was found, the response is OK (no UID).
ISO 15693 command: 01h (mandatory, supported by all tags)
Requires CDC/ACM firmware version 1.09 or above.
Syntax
Request AT+i

Response
+UID=<uid>,+RSSI=<main>/<aux> [may be absent]
OK
ERROR automatic scan mode (section 0) enabled
Example
Request AT+i

Response
+UID=E004020000RSSI=6/6
OK
5.2.9. Select Tag
Select a single tag for further processing. The tag access commands (get system information, read
data block, write data block) can either address all tags in the field or only a single tag. If it is known or
expected that more than one tag is in the field, a single tag should be selected.
Requires CDC/ACM firmware version 1.09 or above.