How-To Guide

ManualsBrandsidChamp ManualsElectronicsidChamp NF4 Reader/Writer

Doc Rev 20210903-A

idChamp® NF4x Wireless RFID-NFC Reader Writer

The idChamp® NF4x wireless RFID-NFC reader/writer is used to wirelessly connect to host device

allowing reading RFID-NFC tags, and writing tags when tags are so enabled.

NF4x is available in physical variants:

• Battery powered (rechargeable)

• Kiosk (powered by cable)

Each of the physical variants is also available in two modes:

• Smart Mode (required for writing NFC tags)

• Direct Mode (required to use in HID Keyboard mode)

To use the NF4x in Smart Mode requires app that supports NF4x.

Apps that support NF4x are available here https://www.serialio.com/downloads

Some 3

party aps also support the NF4x.

To use the NF4x in Direct Mode no app is required, since the NF4x simulates Bluetooth keyboard.

Battery powered NF4x has 1800mAh battery that has charge time from empty, of about 4 hours using a

USB cable.

Kiosk variant is powered by standard USB-A to micro USB cable.

Summary of content (7 pages)

PAGE 1
Doc Rev 20210903-A idChamp® NF4x Wireless RFID-NFC Reader Writer The idChamp® NF4x wireless RFID-NFC reader/writer is used to wirelessly connect to host device allowing reading RFID-NFC tags, and writing tags when tags are so enabled.
PAGE 2
Doc Rev 20210903-A The following shows how to use the Mobile Grid Android app to connect to NF4x. Power on the NF4 and the wireless Connection LED will blink Picture 1 Launch Mobile Grid app and tap the Serial Device Manager (SDM) icon Tap the device connect icon to connect If NF4 device is not In the list, tap the add device icon (+) then tap on the NF4 device when found Copyright 2021 Serialio.
PAGE 3
Doc Rev 20210903-A Once the device is connected to the host the data transfer LED (to left of connection LED) will blink indicating polling. Picture 2 To read the RFID-NFC tag put it on top of the NF4 reader Picture 3 RFID-NFC tag value(s) will be read according to the SDM settings for the device. Following shows reading the CSN Chip Serial Number (aka UID – Unit ID). Copyright 2021 Serialio.
PAGE 4
Doc Rev 20210903-A To write RFID-NFC tag, open SDM for the connected NF4, this example will use “WRITE NDEF DATA” option. Copyright 2021 Serialio.
PAGE 5
Doc Rev 20210903-A Select the type of NDEF data to write, this example uses type URL. Put the NFC tag to the top of the NF4 (see Picture 3), and tap WRITE. Copyright 2021 Serialio.
PAGE 6
Doc Rev 20210903-A After write success, then read back can be done by setting the SDM to read NDEF data. Pick User Data post type to show NDEF data. To read the RFID-NFC tag put it on top of the NF4 reader (Picture 3) then the NDEF data will be posted For support contact Serialio.com https://www.serialio.com/support Copyright 2021 Serialio.
PAGE 7
Doc Rev 20210903-A FCC Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.