Available on backorder

The UC35xx series is smart I/O product with an embedded NB-IoT modem. The intelligent software and ultra-compact portable form factor design make it an ideal solution for a variety of industrial applications like field device monitoring, remote controlling and data acquisition.

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Milesight UC35xx Industrial Cellular NB-IoT SMS Remote I/O:

Embedded with a range of trigger conditions and actions, UC35xx series enables users to create various combinations of commands accordingly. Benefiting from the management on Ursalink Cloud, users can easily monitor and control the remote equipment without traveling to site back and forth.


  • Easy operation anywhere and anytime
  • 2 alarm input and 2 relay drivable outputs (UC3514)
  • Industrial metal enclosure
  • Customizable conditions & programmable actions
  • Quick configuration by USB and Ursalink Cloud
  • Hundreds of combinations of trigger conditions and actions
  • Support global NB-IoT LTE network
  • Report updated I/O status to Cloud if any changes are detected
  • Transmit data to AWS, private UDP/TCP server or MQTT broker



UC35142 × DI, 2 x Relay Output
UC35222 × AI, 1 × DI, 1 x Relay Output
UC35521 × RS232, 1 x RS485, 1 × DI, 1 x Relay Output
Cellular Interface
Connector1 × 50 Ω SMA (Center PIN: SMA Female)
SIMMicro SIM (Inside the device)
Configuration Interface
Port1 × Micro USB
Baud Rate115200bps
ConnectorTerminal block
Digital InputsOpto-isolated Digital Input
DC Voltage (3-24V)
Digital OutputsSPDT Relay Contact Rating:
3 Amp DC (Max: 30 V) or 3 Amp AC (Max: 250 V)
Serial Interface
PortsRS232, RS485
ConnectorTerminal Block
Baud Rate9600bps to 115200bps
Power Supply
ConnectorTerminal block
Input Voltage5-24V DC (Standard adapter: DC 12V/0.5A)
Physical Characteristics
Ingress ProtectionIP30
Dimensions79 x 60 x 24 mm (3.11 x 2.36 x 0.94 in)
MountingDesktop or Wall Mounting
LED Indicators1 × System, 1 × ACT
Operating Temperature-40°C to +70°C (-40℉ to +158℉) Reduced Cellular Performance Above 60°C
Relative Humidity0% to 95% (non-condensing) at 25℃/77℉





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