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Hearing Aid Compatibility in the US

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In the US, specific hearing aid compatibility (HAC) performance ratings can help clarify how certain wireless phones and hearing aids may perform together. HAC compliant wireless phones are capable of working with hearing aids that have a minimal immunity rating of at least 2. The immunity rating indicates how susceptible a hearing aid is to picking up interference from a digital wireless phone. It can rate the performance of the hearing aid for either microphone and/or telecoil coupling. The US performance rating system for HAC compliant wireless phones that follows is also explained in the Motorola product's user manual:

The "M" (microphone) indicates that the product has been tested and rated for acoustic coupling. The "T" (telecoil) represents that the product has been tested and rated for inductive coupling. The higher the "M" or "T" rating, the less likely the hearing aid user will experience interference when the hearing aid is set to the respective microphone or telecoil mode. The highest values to date are 3 and 4 (e.g., "M4" or "M3/T3").


To determine if a product is rated for HAC, please look for the HAC rating or logo on the phone’s packaging.

HAC Models

MODEL AIR INTERFACE(S) ANSI C63.19 ANSI C63.19 VERSION OF STANDARD
W315 CDMA M3   2005
E815 / E816 CDMA M4 T4 2006
V3m CDMA M4 T4 2006
MOTOSLVR L7c CDMA M4 T4 2006
K1m CDMA M4 T4 2006
W385 CDMA M4 T4 2006
Q CDMA M3   2006
V3a CDMA M3 T3 2006
MOTOROKR Z6m CDMA M4   2006
V9m CDMA M4 T4 2006
Q9m / Q9c CDMA M3 T3 2006
Z6c CDMA M3 T3 2006
W755 CDMA M4 T4 2006
V950 CDMA M4 T4 2006
V750 CDMA M4 T4 2006
VU30 CDMA M4 T4 2006
ZN4 CDMA M4 T4 2006
VE20 CDMA M4 T4 2006
V3s CDMA M3 T3 2006
VU204 CDMA M3 T4 2007
Evoke QA4 CDMA M4 T3 2007
Hint QA30 CDMA M4 T3 2007
VE240 CDMA M3 T3 2007
Hint QA30 (AWS) CDMA M4 T3 2007
VE465 CDMA M4 T4 2007
Rival A455 CDMA M3 T3 2006
Entice W766 CDMA M4 T4 2007
VE440 CDMA M3 T3 2007
Barrage V860 CDMA M4 T3 2007
Barrage V860x CDMA M4 T3 2007
Motorola Crush CDMA M3   2007
DROID CDMA M3 T3 2007
W845 CDMA M4 T3 2007
Devour A555 CDMA M4 T4 2007
WX404 CDMA M3 T3 2007
WX415 CDMA M3 T4 2007
Droid2 CDMA M3 T3 2007
MB810 CDMA M4 T3 2007
MOTOROLA CITRUS CDMA M3 T3 2007
DROID Pro by MOTOROLA CDMA M3   2007
V3i (FCC ID: IHDT56GW1) GSM M3 T3 2006
V3 GSM M3 T3 2006
RAZR2 V8 (FCC ID: IHDT56HZ1) GSM M3 T3 2006
W510 GSM M3 T3 2006
W450 GSM M3   2006
W376g / W377g GSM M3   2006
W230a GSM M3 T3 2006
W260g GSM M3 T3 2006
AURA GSM M3 T3 2007
W259 GSM M3 T4 2007
EM330 / EM28 GSM M3 T3 2006
W408g GSM M3 T3 2007
V3xx WCDMA M3 T3 2006
VA76r WCDMA M3 T3 2006
V9x WCDMA M3 T4 2007
Z9n WCDMA M3   2007
QA1 WCDMA M3   2007
Backflip MB300 WCDMA M3   2007
Flipout MB511 WCDMA M3 T3 2007
MB710 WCDMA M3   2007
MOTOROLA CLIQ 2™ WCDMA M3   2007
MOTOROLA ATRIX™ 4G WCDMA M3 T3 2007
i855 iDEN M3 T3 2006
i580 iDEN M3 T3 2001
i885 iDEN M3 T3 2006
i876 / i876w iDEN M3 T3 2006
i877 iDEN M3 T3 2006
i365 iDEN M3   2007
i576 iDEN M4 T4 2007
i776 / i776w iDEN M4 T4 2007
i9 iDEN M4 T4 2007
i465 iDEN M3   2007
r765IS iDEN M3   2007
i856 iDEN M3   2007
i410 iDEN M3 T4 2007
i680 iDEN M3 T4 2007
i890 iDEN M3 T4 2007
i296 iDEN M3   2007
i897 iDEN M3 T4 2007
i1 iDEN M3 T3 2007
i786 / i786w iDEN M3 T4 2007

*NOTE: A blank/gray colored field in the 2nd column of ANSI rating denotes no T-rating


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