RFID NFC B1 EA USB (External Antenna)

A low cost full RFID/NFC read/write device that can operate in “host” connected mode or “stand alone” mode. Supports MIFARE Classic® 1K and MIFARE Classic® 4K, NTAG2xx®, Ultralight. Based on our RFID-B1 with additional socket for an external antenna, USB interface (FTDI virtual COM port, micro USB connector), powered by USB, LED for card in the field indication/ interrupt, mounting holes and flexible plated connection holes. Free software libraries for C, C#, Java, Linux, Arduino.

Our minimum order value is £50, but for small orders it  may be cheaper to buy this product from our distributor partners: RS Components or Digi-Key.


2 in stock (can be backordered)


The RFID B1 EA is a low cost full RFID/NFC read/write device with UART interface that can operate in “host” connected mode or “stand alone” mode. Supports MIFARE Classic® 1K, MIFARE Classic® 4K, NTAG2xx® and MIFARE Ultralight®. Additionally, you can read serial numbers from MIFARE Plus®, MIFARE® DESFire® and any transponder compatible with the ISO14443A standard. The RFID B1 EA is based on our RFID-B1 module but is equipped with an external antenna socket, an LED for tag in the field indication/ interrupt and flexible plated connection holes.

The RFID B1 EA is an ideal choice if the user wishes to add RFID capability to their design quickly and easily. This device enables high performance RFID solutions to be devloped without the requirement of any RFID expert knowledge on the part of the User. This applies equally for designs based on single board computers such as Arduino, Raspberry Pi or bespoke designs based on connection to a host microcontroller.

Furthermore, a wide range of peripherals is available on the module, such as a comparator, DAC/PWM and digital IO. These can be configured and accessed by specific commands and control registers.

The user has the option to work with an external RFID antenna connected to the B1 EA device. Connector J3 is where this should be connected.
Eccel Technology Ltd provides a variety of RFID antennas which the user can use together with this device. Our antennas can be found here: https://eccel.co.uk/product-category/antennas/hf-13-56-mhz-antennas/
Only the green ones can work with this device.
The interface protocol description can be found in the RFID B1 user manual.
Dimensions: 34x34mm. Max height: 7mm (PCB + antenna socket height).


Dimensions 34 × 34 × 7 mm




RFID Tag Standard

MIFARE Classic® 1K, MIFARE Classic® 4K, MIFARE Classic® Mini, MIFARE Ultralight®, NTAG2xx®

Supply voltage



pdf iconUSER MANUAL zip icon 1STEP FILE pdf iconRFID B1 USER MANUAL




zip icon 3B1 Client v1.6

zip icon 3B1 Stand-Alone Configurator v1.0

zip icon 3RFID Linux Tool: Linux command utility


zip icon 3C# library zip icon 3C Library zip icon 3C# GUI project zip icon 3Java library zip icon 3Java example
zip icon 3Arduino library pdf icon 12Arduino Installation manual


pdf icon 13CE

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