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UM700
Encrypted Digital
Wireless Transmitter
  • 256 synthesized UHF frequencies
  • Wide range input limiting
  • Dual LEDs for accurate gain adjustment
  • Variable low frequency roll-off adjustment
  • Spring loaded belt clip
  • Rugged machined aluminum housing

PDFDownload the Quick Start Guide for this product in PDF format.
PDFDownload the Technical Data sheet (200kB) for this product in PDF format.
PDFDownload the Quick Start Guide for the 700 Series System in PDF format.
PDFDownload the Instruction Manual for the 700 Series System in PDF format.
PDFDownload white paper on encryption

Switch Setting vs Frequency Charts

Freq Blocks vs TV Channels Chart

Replacement Antennas

Replacement Microphones


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The 700 Series wireless system offers a combination of CD quality audio with a digital RF link operating on standard UHF frequencies and advanced encryption for applications requiring a high level of security. The state of the art design serves a variety of applications. The audio quality is perfectly at home in the most demanding studio or stage environments while the true cryptography used in the transmitted RF signal is ideal for security needs in corporate and governmental applications.

The DSP controlled dual-envelope limiter in the UM700 input cleanly handles signal peaks up to 30 dB above full modulation. The audio is then sampled at 44.1 kHz with a 24-bit A-D converter using a proprietary DSP algorithm to generate a high quality data stream. This unique processing chain eliminates a compandor and its artifacts to reveal an amazing amount of detail and clarity. The obvious absence of distortion and noise creates what some call a “lack of character.” It sounds, in fact, like a hard-wired cable.