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2004Video Assist and Video Accessories forum

Wireless video transmitter units for film and video work, including the Modulus 3000 and alternatives

22 years old. Gear and prices may have changed since.

What the thread found

  • The Modulus 3000 is a reliable workhorse that broadcasts to multiple receivers simultaneously, making it suitable for set environments where many crew members need to see the video feed
  • Changing channels on a Modulus 3000 while powered on can damage the electronics and gradually weaken signal strength
  • The Canatrans 2 transmitter offers superior technology with variable power output, better sound transmission, and test pattern generation, but costs roughly double the price of a Modulus 3000
  • In direct comparison testing at equivalent power levels, the Modulus 3000 delivered image quality within 15 percent of the Canatrans 2, with the Canatrans only showing slight advantages at maximum power in difficult transmission situations
  • The Transvideo Titan provides clear video when line of sight is maintained but goes completely blank when signal is lost, requiring operators to work around obstacles
  • A long metal antenna manufactured by CIT significantly improves signal strength on the Modulus 3000 for difficult transmission scenarios such as mobile platforms or heavily shielded locations
  • The CineAsst single-channel sender costs half the price of a Modulus, operates cooler, but is subject to occasional outside interference and lacks channel flexibility
  • Replacement rotary dials for the Modulus 3000 can be sourced from electronics suppliers like Digi-Key at approximately 3.75 dollars each instead of paying 200 dollars through the manufacturer

Depends on

  • The Canatrans 2 testing was conducted on a pre-production model that had not been fully tuned
  • The Modulus 3000 performance advantages depend heavily on proper maintenance and preventing unauthorized adjustments
  • All comparisons were based on operator experience rather than standardized testing protocols
  • The discussion focused primarily on North American equipment availability and rental practices

Gear in this thread

Moduluscatalog

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