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USB Port Multi Protocol RFID Module, Contactless Card Reader Module


USB Port Multi Protocol RFID Module, Contactless Card Reader Module

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Brand Name : CHIKEK

Model Number : CHK37xMU

Certification : ROHS

Place of Origin : SHENZHEN, CHINA

MOQ : 1pc

Payment Terms : T/T, Western Union, Paypal

Supply Ability : 10000PCS per month

Delivery Time : 3-5 working days for small order

Packaging Details : Antistatic bag packing

Frequency : 125KHz/134.2KHz/13.56MHz

Port : USB COM

Protocol : EM, ISO11784/11785, ISO14443A/B, ISO15693, ISO7816

Power : DC 3.3V- 5V

Antenna : External, multiple sizes for option

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Brief Introduction:

CHK37xMU, a series of Virtual USB port RFID Reader/Writer Module, which has optional frequency under 125KHz, 134.2KHz, 13.56MHz or 915MHz, and support standard of ISO11784/11785, ISO14443A/B, ISO15693 and ISO18000-6C standard for different cards types.

All of different cards functional model are in same size and same pin-to-pin connection, which enable to easily switch for different cards supported demand, without change on the main USB port board on existing systems.

This series rfid module equipped with 1.25mm pitch Molex connector and Stamp-hole, external antenna with IPX or Molex connector at the same time.

Along with full second development kits and functional DEMO software, these products can be worked as desktop reader writer for card issued or data readings, etc.

Key Features:

  • USB COM interface, DC 3.3V~ 5V power supply;
  • Compliant with ISO11784/11785, or ISO14443A/B, ISO15693, ISO18092 Standard;
  • Support to operate DESFire PICC level, create/delete/format Application ID, etc;
  • Available to create Standard DataFile, BackupFile, ValueFile, RecordFile, etc;
  • Support to format HITAGS series tag to ID card or FDX-B animal format;
  • Dimension with 22mmx53mmx5mm(compatible for all product in this series);
  • External antenna with multiple sizes for option, reading distance up to 5 ~ 10cm;
  • Connection available with 1.25mm-pitch PIN connector, or stamp-holes;
  • External LED and BUZZER(external driver circuit needed)

Technical Parameters:

Electrical Specification
Power supplyDC 3.3V ~ 5V
Power consumptionMax current<50mA, Standby current <1 mA
Operation frequency125KHz, 134.2KHz, or 13.56MHz
Baudrate9600~115200 bit/s ( default 9600bps)
AntennaExternal, UFLconnector, Molex connector, or stamp hole
Reading rangeUp to 5cm ~ 10 cm( depends on cards and antenna)

Mechanical Specifications
Dimension22mmx53mmx5mm (LxWxH)
MaterialFR-4, Blue

Environmental Conditions
Operation temperature-20°C~ +80°C
Storage temperature-40°C~ +85°C
HumidityRelative humidity 5%~95%

Supported StandardSupported Tags
ISO11784/11785HitagS 64, HitagS 256, HitagS 2048


MIFARE® Classic 1K /4K, MIFARE Ultralight®/Ultralight® C, MIFARE DESFire®EV1, MIFARE® Smart MX, MIFARE® Plus S / X, MIFARE® Pro X, NTAG 21x

Read UID only:

Read UID only of all other ISO14443A RFID tags

ISO14443BSRI4K, SRIX4K, AT88RF020, 66CL160S, SR176
ISO15693EM4135, EM4043, EM4x33, EM4x35, I-Code SLI / SLIX, M24LR16/64, TI Tag-it HF-I, SRF55Vxx (my-d vicinity)
ISO7816PSAM T=1 (optional)

ModelStandard supported
CHK171MUEM, ISO11784/11785
CHK371MUISO14443A only
CHK372MUISO14443A/B, ISO15693
CHK373MUISO14443A/B, ISO15693, MIFARE DESFire®

SDK information
Demo softwareWINDOWS, C# language

Comprotocol document

API document

User Manual


Note: Other functions and details to be continued and upgraded

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