URA4 Fixed Android RFID Reader

Built on Android with terrific RFID functionality

Chainway URA4 is a newly developed 4-port fixed UHF RFID Reader built on Android 9.0 and Octa-Core processing power.  It delivers industry leading performance with fast and stable read rates, calibrated sensitivity, and increased accuracy.  The URA4 is a highly integrative and versatile device with support for RS232, RJ45 (POE/POE+), HDMI, USB-C and GPIO and is compatible with various types of antennas.


Heat Dispersion Heat Dispersion IMPINJ Impinj R2000 Chip
Android 9.0 OS HDMI Supports RS232/RJ45/HDMI
4G / Dual-band WIFI
Heat Dispersion Heat Dispersion
Android 9.0 OS
4G / Dual-band WIFI
IMPINJ Impinj R2000 Chip
HDMI Supports RS232/RJ45/HDMI



Tshirt Clothing and Footwear Retail
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Intelligent Manufacture Intelligent Manufacture
Shopping Guide


Tshirt Clothing and Footwear Retail Jewelry Jewelry Monitoring
Vending Machines Vending Machines Intelligent Manufacture Intelligent Manufacture
Archives Archives and Library Management Shopping Guide


Physical Characteristics
Dimensions 214 (L) x 148 (W) x 30 (H) mm
Weight 1000g / 35.27 oz. (without antenna)
Material Aluminium alloy
Input Voltage DC 10V – 24V
Standby Current < 30mA
Comm Interface 1*RS-232 , 1*RJ45, 3*USB2.0 Type A, 1*Type C, USB Host
GPIO 4 Input Optical-couplings, 4 Output Optical-ouplings, isolation, 1 Wigan
Baud Rate 115200 bps
Cooling Mode Air cooling
Work Current 1300mA +/-5% @ DC 12V Input
Display Interface HDMI Type A, support 720P
Power Supply DC (12V), POE (802.3af 13W), POE+ (802.3at 25.5W)


Developing Environment
Operating System Android 9.0
SDK Chainway Software Development Kit
Language Java
Tool Eclipse/Android Studio


Ethernet interface 10/100 Base-T Ethernet (RJ45)
WLAN Support 802.11 a/b/g/n/ac/d/e/h/i/k/r/v,2.4G/5G dual-band, IPV4,IPV6;
Fast roaming: PMKID caching, 802.11r, OKC;
Operating Channels: 2.4G(channel 1~13), 5G(channel 36,40,44,48,52,56,60,64,100,104,108,112,116,120,124,128,132,136,140,149,
153,157,161,165), Depends on local regulations;
Security and Encryption: WEP,WPA/WPA2-PSK(TKIP and AES),WAPI-
WWAN (Europe, Asia) 2G: B1/B5/B8
       TD-SCDMA: B34/B39
       WCDMA: B1/B5/B8
4G: TDD-LTE: B34/B38/B39/B40/B41
       FDD-LTE: B1/B3/B5/B7/B8/B20
WWAN (America) 3G: B2/B4/B5
4G: B2/B4/B5/B7/B12/B13/B17/B28a/B28b


User Environment
Operating Temp. -25 °C to 65 °C
Storage Temp. -40 °C to 85 °C
Humidity 10% – 95%


CPU Qualcomm 1.8 GHz Octa-core
RAM+ROM 3 GB + 32 GB
2 GB + 16 GB (optional)


Engine CM2000-4 module based on Impinj Indy R2000
Frequency 865-868 MHz / 920-925 MHz / 902-928 MHz
Protocol EPC global UHF Class 1 Gen 2 / ISO 18000-63
Antenna Supporting a variety of antennas, such as 6dBic, 9dBic
Output Power 1W (30dBm, support +5~+30dBm adjustable, POE/DC power)
2W Optional (33dBm, support +10~+33dBm adjustable, POE+/DC power, for Latin America, etc.)
Output Power Precision +/- 1dB
Output Power Flatness +/- 0.2dB
Receive Sensitivity < -84dBm
RSSI Supported
Ambient Temp Monitor Supported
Fastest Read Rate 900+ tags/sec
Antenna Detector Supported
Antenna Port 4 channel 50Ω TNC port



Documents & Manuals

URA4 Datesheet
pdf icon


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