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 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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