USB Gateway (Monitoring Hub)


The FlatMesh USB Gateway provides all the functionality required to operate a FlatMesh wireless sensor network in conjunction with a PC.

Combine with the FlatMesh Data Logger software for simple text file logging, or the FlatMesh Web Monitor software for real-time visualisation and alerting.

Key benefits

  • On-board industrial-grade flash memory card for data buffering and backup
  • No separate power connection required
  • Robust USB connector to avoid accidental disconnection
  • Firmware is upgradeable over USB

Physical specifications

Parameter Value
*Approximate values
Dimensions 125 x 66 x 41 mm
Total Mass 0.35 kg*
Housing Material Die cast aluminium enclosure

Metallised plastic USB connection

Mounting Options 35mm DIN rail
Operating Temperature Range -40°C to +85°C

FlatMesh Radio Specifications

Parameter Value
* Consult with Senceive for your application
Communication Type Proprietary FlatMesh v3 Mesh Networking Protocols

IEEE 802.15.4 compliant

Frequency Band 2400 – 2485 MHz ISM Band
Maximum Transmit Power (EN 300 328 v1.8.1) 6.2dBm
Maximum Antenna Gain 4dBi
Range Up to 300m depending on the environment*

Maximum Network Size


RF Module

Typically, up to 100 nodes

Consult with Senceive to determine the optimal system configuration

Senceive FM3Gateway

USB Interface

Parameter Value
Standard USB 2.0
Connector Type Standard A Plug
Cable Length 1 metre
Type of Device Virtual COM Port
Power Requirement 5V, 500mA max


  • Tested to conformity with all the essential requirements of Radio Equipment Directive 2014/53/EU and RoHS Directive 2011/65/EU
  • Network Rail Acceptance PA05/04146
  • London Underground Approved

Ordering Information and Accessories

Model Description
FM3G-USB FlatMesh 3 USB Gateway
FA-FM-ADJ Adjustable angle antenna

Flexible installation, perfect for use in tunnels and indoor environments

Maximum gain +2dBi

FA-FM-WPS Waterproof straight antenna

Maximum gain +1.1dBi