HP provides information regarding Hearing Aid Compatibility (HAC) for HP handsets.
HP handset HAC Ratings
Handsets are rated pursuant to American National Standards Institute C63.19.
The M rating refers to the handsets' acoustic coupling capability and the T rating refers to the handsets' inductive coupling capability.
Product
HAC Rating
HP iPAQ 900 series
M3 & T3
** iPAQ 900 series has not been tested for HAC capabilities in WiFi 802.11 operations.
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