Anaren boosterpach with Emmoco firmware looks like this over BLE: [BC:6A:29:AB:2E:31][LE]> primary attr handle: 0x0001, end grp handle: 0x000b uuid: 00001800-0000-1000-8000-00805f9b34fb attr handle: 0x000c, end grp handle: 0x000f uuid: 00001801-0000-1000-8000-00805f9b34fb attr handle: 0x0010, end grp handle: 0xffff uuid: 0000ffe0-0000-1000-8000-00805f9b34fb # 1800: Generic Access [BC:6A:29:AB:2E:31][LE]> characteristics 1 0x0b # 2a00: Device Name handle: 0x0002, char properties: 0x02, char value handle: 0x0003, uuid: 00002a00-0000-1000-8000-00805f9b34fb # 2a01: Appearance handle: 0x0004, char properties: 0x02, char value handle: 0x0005, uuid: 00002a01-0000-1000-8000-00805f9b34fb # 2a02: Peripheral Privacy Flag handle: 0x0006, char properties: 0x02, char value handle: 0x0007, uuid: 00002a02-0000-1000-8000-00805f9b34fb # 2a03: Reconnection Address handle: 0x0008, char properties: 0x0a, char value handle: 0x0009, uuid: 00002a03-0000-1000-8000-00805f9b34fb # 2a04: Peripheral Preferred Connection Parameters handle: 0x000a, char properties: 0x02, char value handle: 0x000b, uuid: 00002a04-0000-1000-8000-00805f9b34fb [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x01 Characteristic value/descriptor: 00 18 [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x02 Characteristic value/descriptor: 02 03 00 00 2a [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x03 Characteristic value/descriptor: [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x04 Characteristic value/descriptor: 02 05 00 01 2a [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x05 Characteristic value/descriptor: 00 00 [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x06 Characteristic value/descriptor: 02 07 00 02 2a [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x07 Characteristic value/descriptor: 00 [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x08 Characteristic value/descriptor: 0a 09 00 03 2a [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x09 Characteristic value/descriptor: 00 00 00 00 00 00 [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x0a Characteristic value/descriptor: 02 0b 00 04 2a [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x0b Characteristic value/descriptor: 50 00 a0 00 00 00 e8 03 # 1801: Generic Attribute [BC:6A:29:AB:2E:31][LE]> characteristics 0x0c 0x0f handle: 0x000d, char properties: 0x20, char value handle: 0x000e, uuid: 00002a05-0000-1000-8000-00805f9b34fb [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x0c Characteristic value/descriptor: 01 18 # 2a05: Service Changed (Indicate) [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x0d Characteristic value/descriptor: 20 0e 00 05 2a # uint16: Start of Affected Attribute Handle Range # uint16: End of Affected Attribute Handle Range [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x0e Error: Characteristic value/descriptor read failed: Attribute can't be read [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x0f Characteristic value/descriptor: 00 00 [BC:6A:29:AB:2E:31][LE]> characteristics 0x10 handle: 0x0011, char properties: 0x12, char value handle: 0x0012, uuid: 0000ffe1-0000-1000-8000-00805f9b34fb handle: 0x0014, char properties: 0x12, char value handle: 0x0015, uuid: 0000ffe2-0000-1000-8000-00805f9b34fb handle: 0x0017, char properties: 0x0c, char value handle: 0x0018, uuid: 0000ffe3-0000-1000-8000-00805f9b34fb handle: 0x0019, char properties: 0x0c, char value handle: 0x001a, uuid: 0000ffe4-0000-1000-8000-00805f9b34fb [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x10 Characteristic value/descriptor: e0 ff [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x11 Characteristic value/descriptor: 12 12 00 e1 ff [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x12 Error: Characteristic value/descriptor read failed: Request attribute has encountered an unlikely error [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x13 Characteristic value/descriptor: [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x14 Characteristic value/descriptor: [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x15 Characteristic value/descriptor: [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x16 Characteristic value/descriptor: [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x17 Characteristic value/descriptor: [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x18 Error: Characteristic value/descriptor read failed: Attribute can't be read [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x19 Characteristic value/descriptor: [BC:6A:29:AB:2E:31][LE]> char-read-hnd 0x1a Error: Characteristic value/descriptor read failed: Attribute can't be read ============= [BC:6A:29:AB:2E:31][LE]> primary ffe0 Starting handle: 0x0010 Ending handle: 0xffff [BC:6A:29:AB:2E:31][LE]> characteristics 0x0010 0xffff handle: 0x0011, char properties: 0x12, char value handle: 0x0012, uuid: 0000ffe1-0000-1000-8000-00805f9b34fb handle: 0x0014, char properties: 0x12, char value handle: 0x0015, uuid: 0000ffe2-0000-1000-8000-00805f9b34fb handle: 0x0017, char properties: 0x0c, char value handle: 0x0018, uuid: 0000ffe3-0000-1000-8000-00805f9b34fb handle: 0x0019, char properties: 0x0c, char value handle: 0x001a, uuid: 0000ffe4-0000-1000-8000-00805f9b34fb [BC:6A:29:AB:2E:31][LE]> char-desc 0x0010 0xffff handle: 0x0010, uuid: 00002800-0000-1000-8000-00805f9b34fb * GATT Primary Service Declaration handle: 0x0011, uuid: 00002803-0000-1000-8000-00805f9b34fb + GATT Characteristic Declaration handle: 0x0012, uuid: 0000ffe1-0000-1000-8000-00805f9b34fb handle: 0x0013, uuid: 00002902-0000-1000-8000-00805f9b34fb + Client Characteristic Configuration handle: 0x0014, uuid: 00002803-0000-1000-8000-00805f9b34fb + GATT Characteristic Declaration handle: 0x0015, uuid: 0000ffe2-0000-1000-8000-00805f9b34fb handle: 0x0016, uuid: 00002902-0000-1000-8000-00805f9b34fb + Client Characteristic Configuration handle: 0x0017, uuid: 00002803-0000-1000-8000-00805f9b34fb + GATT Characteristic Declaration handle: 0x0018, uuid: 0000ffe3-0000-1000-8000-00805f9b34fb handle: 0x0019, uuid: 00002803-0000-1000-8000-00805f9b34fb + GATT Characteristic Declaration handle: 0x001a, uuid: 0000ffe4-0000-1000-8000-00805f9b34fb