Nordic ID Group | Joensuunkatu 7 | FI-24100 Salo |FinlandOffice +358 2 727 7700 | Fax + 358 2 727 7720 | info@nordicid.com7 / 162019-04-02Nordic ID EXA21 User GuideVersion 1.0NOTE! Bluetooth Low Energy needs to be supported by host device1.8. CONNECTIONSNordic ID EXA21 supports Bluetooth Low Energy Class 2 and USB connections for host devices.Supported Bluetooth Low Energy versions are 4.0 – 5.0 and supported profiles are GATT (generic datatransfer) and HID (keyboard emulation).CONNECTING WITH HOST DEVICEThere are four ways to connect Nordic ID EXA with host device, being the third one (Nordic ID SmartPair) the most advanced and easiest way to connect wirelessly.1. Connect without pairing via BluetoothNordic ID EXA will advertise itself via Bluetooth until the host device connects to it. Bluetoothconnection remains active until the host device closes the connection. Once the connection isclosed Nordic ID EXA21 will start advertising itself again and any host device can connect to it.2. Connect with secure pairing via BluetoothWhen Nordic ID EXA21 is paired with the host device, applications (like Nordic ID RFID demo)connects to it automatically. Connection remains active if the host device is in Bluetooth range.Entering a security PIN in the host device is needed to allow pairing. This code is unique andconsists of the 6 last digits of the device serial number.3. Connect with Nordic ID Smart Pair featureThe new awesome Nordic ID Smart Pair feature provides an exceptionally easy way to connectand disconnect host device to our EXA readers. Just select “Nordic ID Smart Pair” from“Connection” listing in Nordic ID RFID Demo and host device starts looking for the EXA readers.4. Connect via USBThe new awesome Nordic ID Smart Pair feature provides an exceptionally easy way to connectand disconnect host device to our EXA readers. Just select “Nordic ID Smart Pair” from“Connection” listing in Nordic ID RFID Demo and host device starts looking for the EXA readers.1.8.1.1. PAIRING NORDIC ID EXA21 WITH A HOST DEVICEBefore Nordic ID EXA21 can be paired with the host device, pairing support needs to be enabled. Thiscan be done using Nordic ID RFID demo. Connect Nordic ID EXA21 to host device and go to Settings ->Reader -> Host device connection -> check Pairing enabled tick boxNordic ID EXA21 can be paired based on the instructions below once pairing has been enabled.1. Turn Bluetooth of the host device On.NOTE: Android 6.0 or newer needs location to be enabled also2. Power on the Nordic ID EXA21 by pressing the power button for 2...3 seconds3. Open Bluetooth connection settings of host device and you should see “EXA21 XXXXXX” in the list4. Select “EXA21 XXXXXX” from the list in order pair your host device with the Nordic ID EXA215. Enter “XXXXXX” as the security pairing code in your host device.NOTE! XXXXXX is a serial number of the Nordic ID EXA21