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Advantages and disadvantages of bluetooth with cellular phones and devices: Bluetooth and Data: Advantages: Using bluetooth link between a cell phone and computer for data connections on a cellular network is far more convenient than traditional cable methods and there is no disadvantage. It is the ideal way to link computers and cell phones or PDA devices. The same is cannot be said for hands free communications using bluetooth car kits and headsets. Disadvantages: None Bluetooth and Hands free: Advantages: Bluetooth enabled car stereos and vehicles have the obvious advantage that no kit must be purchased or installed for the user to have hands free capability. Bluetooth hands free kits that are purchased and installed into a vehicle will work with all bluetooth enabled phones and when one changes phones or uses two different model bluetooth phones a new hands free kit does not have to be purchased and installed. Disadvantages: Bluetooth enabled vehicles and bluetooth hands free kits do not come with a cell phone holder for a specific cell phone or PDA and this poses several disadvantages: a-the user does not have a convenient place to dock the phone and view the phone display. b-the phone battery will not charge unless the phone is plugged into a cigarette lighter power supply c-the phone battery will be used faster because the phone uses battery power to establish a bluetooth link, stay linked and uses extra energy during a call because it must use power for the bluetooth connection with the carkit and the cellular call. d-the cell phone is not connected to an external antenna or booster and signal is not as good when compared to a traditional kit with holder. e-if a user leaves the bluetooth link between the phone and car kit connected and is close to the vehicle but is not in the vehicle and a call comes in, the phone will only ring in the car kit and even if the ring is heard and the call is engaged by the user, the conversation will not be heard through the phone, it will be audible in the car only. For example, a person comes home, puts their car in the garage, takes the phone out and sets it on the kitchen counter and a call comes in, the user cannot use their phone unless they go back out the vehicle very quickly. If the phone is far away from the vehicle then the bluetooth link is inactive, however some phones and kits can stay linked over relatively large distances as far as 30 to 100 feet. The distance that a bluetooth link will cover varies between cell phones, brands of bluetooth car kits and location of the bluetooth phone and car kit. The only way to be sure that a phone bluetooth link is not active (when in close proximity) is to de-link the phone from the bluetooth kit. Linking and de-linking a phone from a kit is an obvious disadvantage over a traditional kit. f-Bluetooth hands free kits are more expensive than traditional hands free carkits.
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