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Pacemakers, Hearing Aids and Other Electrically Powered Devices
Most manufacturers of medical devices adhere to the IEC 601-1-2 standard. This standard requires
devices to operate properly in an EM Field with a strength of 3V/m over a frequency range of 26 to
1000MHz. The maximum allowable field strength emitted by the Dolphin terminal is 0.3V/m according to
Subpart B of Part 1 of the FCC rules. Therefore, the RF from the Dolphin terminal has no effect on medical
devices that meet the IEC specification.
Hearing Aid Compatibility (HAC)
The Dolphin 9700 has been tested for hearing aid compatibility. This device has an M3 and T3 rating.
For additional HAC information, including the HAC rating for this product, please refer to
www.honeywellaidc.com.
When some wireless devices are used near some hearing devices such as hearing aids and implants,
users may detect a buzzing or humming noise. Some hearing devices are more immune than others to
this interference noise. Wireless devices may also vary in the amount of interference they generate.
The ratings for compatibility of digital wireless devices with hearing aids are described in the American
National Standards Institute (ANSI) C63.19 standard:
M-Rating: Phones rated M3 or M4 meet FCC requirements and are likely to generate less interference
with hearing devices than phones that are not labeled. M4 is the superior/higher of the two ratings.
T-Rating: Phones rated T3 or T4 meet FCC requirements and are likely to be more usable with hearing
devices' telecoil than unrated phones. T4 is the superior/higher of the two ratings.
The more immune the hearing aid device is, the less likely one is to experience interference noise from
the wireless phone. Hearing aid devices may also be rated. Adding the ratings of the hearing aid and
the phone would determine probable usability:
• Any combined rating equal to or greater than six offers the best use.
• Any combined rating equal to five is considered normal use.
The ratings are not guarantees. Results will vary depending on the user's hearing device and hearing
loss. If your hearing device happens to be vulnerable to interference, you may not be able to use this
device successfully. Trying out this device with your hearing device is the best way to evaluate it for your
personal needs.
This device has been tested and rated for use with hearing aids for some of the wireless technologies that
it utilizes. However, there may be some newer wireless technologies used in this phone that have not
been tested yet for use with hearing aids. It is important to try the different features of this phone
thoroughly and in different locations, using your hearing aid or cochlear implant, to determine if you hear
any interfering noise. Consult your service provider or the manufacturer of this phone for information on
hearing aid compatibility.
Microwaves
The radio in the Dolphin RF terminal operates on the same frequency band as a microwave oven.
Therefore, if you use a microwave within range of the Dolphin RF terminal you may notice performance
degradation in your wireless network. However, both your microwave and your wireless network will
continue to function.