The Comtek BST 25/216 Base is a professional quality, auxiliary base station transmitter designed to operate with the Phonak Invisity 4 synthesized receivers in the newly assigned 216-217 MHz band under Part 95 of the FCC regulations. The Comtek BST-25/216 MHz transmitter incorporates the latest digital and analog technologies to produce low residual noise, wide dynamic range, and extended frequency response rendering the most natural sound possible from a wireless system. This transmitter may be used for personal cueing, for tour guide applications, language interpretation, and for assistive listening applications.

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Comtek BST 25/216 Base Station Transmitter Features

• 57 user-selectable channels in the 216-217 MHz range: 38 standard narrow-band, non-companded channels; 19 high-fidelity narrow-band channels with companded audio processing.
• Single-window, bright LED display for exact frequency and channel, VU bar graph meter, antenna condition and lock-out indicator.
• Test tone generator for receiver testing and audio level referencing.
• Balanced mic or line level with 60 dB of control range to accommodate any audio level.
• Micro controller automatically sets the modulation deviation, the audio mode for companding processing, and the EQ when corresponding channels are selected.
• Can be rack mounted for AC or 12 volt DC power and can accommodate a variety of remote antennas.