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7. How far can my mobile be from the Z9i and still remain connected?
The Z9i will remain connected within a range of 10 meters (30 ft). Sound quality may start to deteriorate after about 7
meters depending on your environment.
8. Can other electrical devices cause interference with Bluetooth?
Bluetooth technology employs a technique called frequency hopping to constantly change the frequency at which it
sends data, reducing interference with wireless devices like wireless LAN’s, cordless landline phones. Noise Interference
can occur if the Bluetooth device is used in close proximity with a microwave. Check if there are any such devices in the
surroundings, and if so keep the distance between the Z9i and such devices to at least 5 - 10m. Usually any interference
will only cause a slight crackling sound. The frequency of Bluetooth is much higher than that of radio station bands.
9. If I cup my hand over a Bluetooth device the signal strength and quality suffers.
Why does this happen?
Bluetooth signals are radio waves and so do not need line of sight to operate. However, radio waves cannot travel through
water and as the human body is made up of mostly water they cannot travel through it. Therefore, your hand will create a
barrier causing slight interference and a loss of signal quality.
10. What is the difference between Bluetooth V1.2 and V2.0?
V2.0 is the current version of Bluetooth with Enhanced Data Rate (EDR) technology, with data transfer rates of up to
3Mbps compared with 1Mbps in V1.2.
Note: All BlueAnt products are forward and backward compatible (Our V1.2 products can be used with V2.0 phones and
our V2.0 products can be used with V1.2 phones)