HF RFID Reader

The SL040A-USB is a simple USB Mifare HF reader with a basic USB keyboard output of a tags UID and/or specific data blocks, with or without encryption active.

The size and low cost mean it is perfect for implementing an RFID solution, without the large capital outlays normally required. The SL040A-USB is ready to use straight out of the box, inputting the tag data directly into your application. A simple configuration tool allows easy setup of the required parameters.


  • USB Keyboard Emulator, Plug and Play
  • Frequency: 13.56MHz
  • UID read supported: Mifare Mini, Mifare 1k, Mifare 4k, Mifare Plus, Ultralight, DesFire & Mifare_ProX
  • Data read supported: Mifare Mini, Mifare 1k, Mifare 4k and Ultralight
  • Integrated antenna, LED and Buzzer
  • Working current less than 80mA @5.0V
  • Operating distance of up to 60mm, dependent on tag


Physical Characteristics
Height 15 mm
Width 57 mm
Length 72 mm
Weight 35g
Environmental Specifications
Operating Temperature -10C to 70C
Storage Temperature -20C to 85C
Humidity 5 to 95% Non-Condensing
Power Input USB 5V
Power Consumption <80mA
Frequency 13.56MHz
Antenna Internal Antenna
Protocols Supported Mifare Mini, Mifare 1k, Mifare 4k and Ultralight
Read Distance Upto 60mm, dependant on tag
Communication USB
Ordering Information and Pricing
Part Number Model Number Description RRP
[A] SL040A-USB Mifare HF RFID Reader
SL040A-USB SL040A RFID Desktop Mount Reader - Mifare - USB/HID $143.00 A
[B] Mifare HF 13.56 RFID Tags
9-9860-090-9 RFT6008H-MF1 RFID Contact Sticker OM (Mifare 1K) $8.14 C
9-9840-011-0 RFT4001H-NM1 RFID HF Metal-Mount 34mm Disk with Hole Tag MIFARE 1K S50 $10.01 A4
9-9780-011-9 RFI-H25RND-MFU-L Wet Inlay, 25 Round, Mifare Ultralight (NFC) - Label (white) $1.21 A
9-9780-021-3 RFI-H28X45-MFU-L Label, HF, Mifare Ultralight (64B), 28x45mm $1.98 A
9-9860-100-5 RFT6010H-MF1 RFID CR80 Card (Mifare 1K) $3.30 C
9-9840-021-9 RFT4002H-4K ISO ID Card, Mifare (S70) 4K PVC $5.94 A
9-9842-010-1 RFT4201H-NM1 Key-Fob, Trapezoid, RFID HF Mifare 1K $6.93 A4