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BLE Characteristics

Kieron Quinn edited this page Feb 10, 2025 · 1 revision

Tags have three BLE services, each with multiple characteristics. UUIDs and their uses (if known) are listed below.

Encryption/Auth Service

UUID: eedd5e73-6aa8-4673-8219-398a489da87c

Characteristic UUID Modes Configuration Use
50f98bfd-158c-4efa-add4-0a70c2f5df5d R, W Cipher
a12be31c-5b38-4773-9b9d-3d5735233a7c I, W 0x2902 Nonce
4ebe81f6-b952-465e-9ece-5ca39d4e8955 I, W 0x2902 Encrypted Nonce

Control Service

UUID: 0000fd5a-0000-1000-8000-00805f9b34f

Characteristic UUID Modes Configuration Use
dee30001-182d-5496-b1ad-14f216324184 I, R, W 0x2902 Alarm
dee30002-182d-5496-b1ad-14f216324184 N, R, W 0x2902 Audio Volume
dee30003-182d-5496-b1ad-14f216324184 I, W 0x2902 Tag Button
dee30004-182d-5496-b1ad-14f216324184 I, R, W 0x2902 Battery
dee30005-182d-5496-b1ad-14f216324184 I, W 0x2902 Time
dee30006-182d-5496-b1ad-14f216324184 W Factory Reset
dee30007-182d-5496-b1ad-14f216324184 R, W E2E Encryption flag
dee30008-182d-5496-b1ad-14f216324184 R, W UWB Ranging flag
dee30009-182d-5496-b1ad-14f216324184 I, W 0x2902 UWB Parameter
dee3000a-182d-5496-b1ad-14f216324184 R, W Ringtone
dee3000b-182d-5496-b1ad-14f216324184 R Firmware Version
dee3000c-182d-5496-b1ad-14f216324184 I, R, WNR 0x2902 Firmware Transfer
dee3000d-182d-5496-b1ad-14f216324184 R, W Bond
dee3000e-182d-5496-b1ad-14f216324184 R Spec Version
dee3000f-182d-5496-b1ad-14f216324184 I, W 0x2902 Bond
dee3001a-182d-5496-b1ad-14f216324184 I, W 0x2902 Private ID Pool Size
dee3001d-182d-5496-b1ad-14f216324184 I, R, W 0x2902 Activity Tracker
dee30025-182d-5496-b1ad-14f216324184 R, W TxPower
dee3001f-182d-5496-b1ad-14f216324184 N, R, W 0x2902 Button Sound Volume
dee30030-182d-5496-b1ad-14f216324184 I, W 0x2902 Debug Flag
dee3001b-182d-5496-b1ad-14f216324184 R, W Lost Message URL
dee3001c-182d-5496-b1ad-14f216324184 I, R 0x2902 Motion Detection
dee30041-182d-5496-b1ad-14f216324184 N, W 0x2902 Pet Activity

Unknown Service

UUID: a0e78d39-75b5-4182-8fdc-c4b7365c9062

Characteristic UUID Modes Configuration Use
040c6507-f08a-f7c2-abea-6382ee250230 N, WNR 0x2902 ?
cb91b0d6-3080-dbfb-876b-407db045e52b I, R, W 0x2902 ?

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