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The T-9, 900 MHz radio combines FreeWave’s performance and reliability in a convenient low-cost. With a range of 60 miles the T-9 is designed specifically for traffic signal control applications. The T-9 is compatible with standard loop detector card cages and can be used in systems with 170, 2070 or NEMA controllers.

FreeWave products are legendary for their ability to deliver reliable, error-free data in extreme climatic conditions and in noisy, congested RF environments. Our T-9 products have been installed in major urban sites including New York City, Chicago, and Los Angeles. Our installed base of more than 100,000 units are in use in a multitude of applications including oil and natural gas collection and transmission, traffic signal control, vehicle monitoring, electric power transmission and distribution and SCADA.




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  • Secure: Frequency Hopping Spread Spectrum Technology provides superior performance in noise congested environments

  • License Free: No need to wait for licensing approval to install networks.

  • High Speed: 115.2 kbps true throughput.

  • Long Range: 60 mile clear line of site range.

  • Error Free Communications: 32 bit CRC, the best available, your data integrity is guaranteed.

  • Industrial Grade Specifications: 100% tested for RF performance from -40ºC to +75ºC.

  • Flexible Configuration: Any radio may be programmed to be a Master, Endpoint, or Repeater. Repeaters can function as simultaneous Endpoint and Repeater.

  • Scaleable Network: The maximum number of radios in a network is unlimited. The number of Repeaters in a network or any individual link is also unlimited.

  • Diagnostic: Real time system diagnostics both for local site and the entire network.

  • Interface Options: RS232/RS485/RS422 user selected.

  • Detector Rack Compatible: Plugs into and is powered from standard loop detector rack.

  • FreeWave Network Compatible: Fully network compatible with standard FreeWave 900  MHz F products.

  • Dimension: 1 slot width, standard loop detector rack

  • Weight: 206 g

  • Humidity: 0 to 95% non-condensing

  • Line of Sight: 60 miles 

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 Model  Communication Interface   Form Factor   Spec Sheets
 T-9  RS232/RS485/DNP3  Board Level  View / Download

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