David Parker wrote: > # hciconfig -a > hci0: Type: Primary Bus: USB > BD Address: 5C:F3:70:8C:B7:98 ACL MTU: 1021:8 SCO MTU: 64:1 > UP RUNNING PSCAN > RX bytes:62062 acl:40 sco:0 events:3178 errors:0 > TX bytes:499936 acl:776 sco:0 commands:1088 errors:38 > Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87 > Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 > Link policy: RSWITCH SNIFF > Link mode: SLAVE ACCEPT > Name: 'debian' > Class: 0x100104 > Service Classes: Object Transfer > Device Class: Computer, Desktop workstation > HCI Version: 4.0 (0x6) Revision: 0x153a > LMP Version: 4.0 (0x6) Subversion: 0x220e > Manufacturer: Broadcom Corporation (15)
Under Service Classes you have only "Object Transfer" hci0: Type: Primary Bus: USB BD Address: xxxxxxxxxxxx ACL MTU: 310:10 SCO MTU: 64:8 UP RUNNING PSCAN RX bytes:19767535 acl:62926 sco:0 events:3572 errors:0 TX bytes:390503 acl:2479 sco:0 commands:1081 errors:0 Features: 0xff 0xff 0x8f 0xfe 0x9b 0xff 0x59 0x83 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH HOLD SNIFF PARK Link mode: SLAVE ACCEPT Name: 'fujitsu' Class: 0x3c0104 Service Classes: Rendering, Capturing, Object Transfer, Audio Device Class: Computer, Desktop workstation HCI Version: 2.1 (0x4) Revision: 0x12e7 LMP Version: 2.1 (0x4) Subversion: 0x12e7 Manufacturer: Cambridge Silicon Radio (10) Why is Audio not listed? You can get the TxPower (if lucky) from the device via DBUS Device1 Interface dbus-send --print-reply --system --dest=org.bluez /org/bluez/hci0/dev_XX_XX_XX_XX_XX_XX org.freedesktop.DBus.Properties.Get string:org.bluez.Device1 string:TxPower dbus-send --print-reply --system --dest=org.bluez /org/bluez/hci0/dev_XX_XX_XX_XX_XX_XX org.freedesktop.DBus.Properties.GetAll string:org.bluez.Device1 replace dev_XX_XX_XX_XX_XX_XX with your BT MAC