MR20 Wearable RFID Reader

Robust RFID Reading and Writing

Chainway MR20 is our refined and new generation of wearable Bluetooth UHF reader. Being a compact and portable device, it can be operated together with hand wrap, wristbands, or lanyards and make your work much more flexible and convenient. With a built-in UHF module, Chainway MR20 possesses a powerful data-collection and transmission function via a simple Bluetooth connection with Android or iOS devices.

MR20 Wearable RFID Reader

Robust RFID Reading and Writing

Robust RFID Reading and Writing


SDK: Support Android/iOS

1200mAh Removable Battery

Operated with Hand Wrap, Wristband or Lanyard , Light Weight and Small Size


Fingerprint Recognition

Barcode Scanning (Optional)


Short Range UHF Scanning (Impinj E310/E510/CM-Q)

Support UHF Sled (Optional)

Clothing and Footwear Retail

Jewelry Monitoring

Vending Machines

Intelligent Manufacture

Archives and Library Management

Inventory Management

Logistics & Warehouse



Access Control

Intelligent Transport System

Intelligent Parking Management

Sports Event Application

IC Card Reading

Face Recognition

OBD Data Collection

Emergency Alarm


Dimensions50 x 62 x 19mm / 1.97 x 2.44 x 0.75 in.
Weight64 g / 2.26 oz. ( with glove: 90 g / 3.17 oz. )
Battery1200 mAh ( removable ) Charging Current: 5 V / 1.5 A Charging Duration: 1 hours
InterfacesYellow, Blue, Gray
Card SlotUSB Type-C
Indicator LedRed indicator will be ON when charging; Blue indicator will be ON when device has been fully charged; Green indicator will be ON when battery is higher than 20%; Green indicator will flash when battery is lower than 20%; Bluetooth is not paired when bluetooth indicator is OFF; Bluetooth is paired when bluetooth indicator is ON
SdkAndroid / IOS SDK Supported
ToolRFID Encrypted Module ( reserve )
WlanUSB Type C: USB connection to realize data transfer
BluetoothBluetooth 5.0
Operating Temp-20 ℃~+50 ℃
Storage Temp-40 ℃~+70 ℃
Humidity5% RH – 95% RH non condensing
Drop Specification1.2 m dropping on concrete
EngineImpinj E510 / E310 / CM-Q
Frequency920-925 MHz / 902-928 MHz / 865-868 MHz
ProtocolEPC C1 GEN2 / ISO18000-6C
AntennaLinear Polarized Antenna (-2.2dBi)
Power0.5W (27dBm, support +19-27dBm adjustable)
Rw Ranges80 cm
Note*Ranges and rates depend on tags and environment
CpuCortex-M3 72MHz
AccessoriesHand wrap, wristband, lanyard, charing cradle for battery


Downloads and Manual