UR75 Edge | Ursalink - We Connect Things to Cloud

UR75 Edge


Edge Computing Gateway


The Ursalink UR75 is an computing platform designed for industrial IoT edge computing applications.
It features an ARM® Cortex™-A53 processor and versatile communication interfaces, easy Integration with AWS Greensgrass, Azure IoT Edge, Aliyun Link IoT Edge and more, that makes UR75 an intellgent gateway for data acquisition and processing at field sites as well as a reliable communication platform for large scale deployment.

Cloud Ready

The UR75 Edge can easily integrate to your on-premises server or
the public cloud like AWS, Azure, Exosite… by:
· MQTT/HTTPs Protocol · RESTful API · C/Python SDKK


Edge Intelligence

· 64-bit ARM Cortex™-A53 Processor   · 512 MB DDR3 RAM   · SSD for Extended Storage


Accelerate Your IoT Deployment

EDGE To Cloud Data

Edge-to-Cloud Data Acquisition

  • Data converter for Modbus-to-MQTT conversion
  • Various interfaces for connecting end-devices
Cloud Ready


  • Easy to access cloud service with built-in IoT client/SDKs
  • Certified by Azure, AWS, Exosite and Alibaba Cloud
Secure Transmission

Secure Transmission

  • Multiple VPN protocol for remote access
  • Stateful firewall for secure data transmission
Reliable Connectivity

Reliable Connectivity

  • Fail-over between cellular, Ethernet and Wi-Fi
  • Store and resend data when the network recovery


Hardware System
CPU 800MHz, 64-bit ARM Cortex-A53
Memory 512 MB DDR3 RAM
Storage 8GB Flash and M.2 SSD interface for Expansion
Ethernet Interface
Ports 5 × RJ-45
Property 1 × WAN + 4 × LAN or 2 × WAN + 3 × LAN
Physical Layer 10/100/1000 Base-T (IEEE 802.3)
Data Rate 10/100/1000 Mbps (Auto-Sensing)
Interface Auto MDI/MDIX
Mode Full or half duplex (Auto-Sensing)
Serial Interface
Port 1 × RS232 + 1 × RS485 or 2 × RS232 or 2 × RS485
Connector Terminal Block
Baud Rate 300bps to 230400bps
Connector (4) pin screw down terminal block
Digital 2 × DI + 2 × DO
Digital Outputs SPDT Relay Contact Rating:
3 Amp DC (Max: 30 V) or 3 Amp AC (Max: 250 V)
GPS (Optional)
Connector 1 × 50 Ω SMA (Center PIN: SMA Female)
Sensitivity -167dBm@Tracking, -149dBm@Acquisition, -161dBm@Re-acquisition
Position Accuracy 2.5m CEP
Protocols NMEA 0183, PMTK
Cellular Interfaces
Connectors 2 × 50 Ω SMA (Center PIN: SMA Female)
SIM Slots 2
Wi-Fi Interface (Optional)
Connectors 2 × 50 Ω SMA (Center PIN: SMA Female)
Standards IEEE 802.11b/g/n/ac
Tx Power 802.11b: 15dBm ± 2dBm@11Mbp
802.11g: 13dBm ± 2dBm@54Mbps
802.11gn HT20: 12dBm ± 2dBm@MCS7
802.11gn HT40: 11dBm ± 2dBm@MCS7
802.11an HT20: 11dBm ± 2dBm@MCS7
802.11an HT40: 10dBm ± 2dBm@MCS7
802.11ac(HT80): 4dBm ± 2dBm@MCS9
Rx Sensitivity 802.11b: ≤ -76dBm@11Mbps
802.11g: ≤ -65dBm@54Mbps
802.11gn HT20: ≤ -64dBm@MCS7
802.11gn HT40: ≤ -61dBm@MCS7
802.11an HT20: ≤ -64dBm@MCS7
802.11an HT40: ≤ -61dBm@MCS7
802.11ac (HT80): ≤ -51dBm@MCS9
Modes Support for multiple SSID, AP and Client mode
Security WPA/WPA2 authentication, WEP/TKIP/AES encryption
Edge Intelligence Azure IoT Edge
AWS Greengrass
Alibaba Link IoT Edge
Python Programming for Customized Development
Network Protocols PPP, PPPoE, SNMP v1/v2c/v3, TCP, UDP, DHCP, RIPv1/v2, OSPF, DDNS,
Access Authentication CHAP/PAP/MS-CHAP/MS-CHAPV2
Firewall ACL/DMZ/Port Mapping/MAC Binding
Management Web, CLI, SMS, On-demand dial up
AAA Radius, TACACS+, LDAP, Local Authentication
Multilevel Authority Multiple Levels of User Authority
Reliability VRRP, WAN Failover, Dual SIM Backup
Serial Port Transparent (TCP Client/Server, UDP),
Modbus Gateway (Modbus TCP toModbus RTU), Modbus Master
Power Supply and Consumption
Connector 2-pin with 5.08 mm terminal block
Input Voltage 9-48 VDC
Power Consumption Typical 4 W (Max 6.7 W)
Physical Characteristics
Ingress Protection IP30
Housing & Weight Metal, 492 g (1.08 lb)
Dimensions 132 x 103.8 x 45 mm (5.20 x 4.09 x 1.77 in)
Mounting Desktop, Wall or DIN Rail Mounting
Reset Button 1 × RESET
LED Indicators 1 × POWER, 1 × WLAN, 1 × STATUS, 1 × VPN, 1 × SIM1, 1 × SIM2, 3 × Signal strength
Built-in Watchdog, RTC, Timer
Certifications RoHS, CE, FCC
EMC IEC 61000-4-2 Level 3
IEC 61000-4-3 Level 3
IEC 61000-4-4 Level 4
IEC 61000-4-5 Level 4
IEC 61000-4-6 Level 3
IEC 61000-4-8 Level 4
Operating Temperature -40°C to +70°C (-40℉ to +158℉) Reduced cellular performance above 60°C
Storage Temperature -40°C to +85°C (-40℉ to +185℉)
Ethernet Isolation 1.5 kV RMS
Relative Humidity 0% to 95% (non-condensing) at 25°C/77℉


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