My source code supports keychains MLE-15 and iTAG, and does not support TrackerPA.
MLE-15, iTAG - two short beeps sound when turned on.
TrackerPA - three short beeps when turned on.
Keychain name: MLE-15
Keychain name: iTAG
iSearching
(MLE-15, iTAG supports) (TrackerPA no supports)
FindElfI
(MLE-15, iTAG supports) (TrackerPA no supports)
Keychain name: TrackerPA
Dycoo TrackerPA
(TrackerPA supports) (MLE-15, iTAG no supports)
A program that can determine the distance to all keychains:
JG iTag Alarm
Program for the analysis of the protocol BLE devices:
nRF Connect for Mobile
Assigned Number for MLE-15 and iTAG
Assigned Number: 0xFFE0 - Noname Company
16-bit UUID Assigned Numbers
Assigned Number: 0xFFE1 - GET Button
Assigned Number: 0x1802
Name: Immediate Alert
Uniform Type Identifier: org.bluetooth.service.immediate_alert
Assigned Number: 0x180F
Name: Battery Service
Uniform Type Identifier: org.bluetooth.service.battery_service
Assigned Number: 0x2A06
Name: Alert Level
Uniform Type Identifier: org.bluetooth.characteristic.alert_level
Assigned Number: 0x2A19
Name: Battery Level
Uniform Type Identifier: org.bluetooth.characteristic.battery_level