(Q90D 79040) TTY connection Ameriphone-Q90D
The Q90®D was designed to work with the new digital cellular phones that are identified as TTY-compatible” or TSB-121 compatible. To ensure satisfactory operation, check with the retailer or telephone manufacturer to make sure the digital cellular phone you select is a designated TTYcompatible model.
To work with your Q90®D, cellular phones need to have a 2.5mm connector (commonly used for hands-free accessories) or a compatible adapter.Battery lasts approximately 20 hours in VCO mode.
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