Thank you for clarifying that aspect. So, since I thought the major difference between Bluetooth 2.0 and 3.0 was the range, can you point me to more detailed information about Bluetooth 3.0?
David Chittenden, MSc, MRCAA Email: [email protected] Mobile: +64 21 2288 288 Sent from my iPhone > On 9 Nov 2013, at 11:38, Christopher Chaltain <[email protected]> wrote: > > One tiny point of clarification. From what I've read, bluetooth has a maximum > range of 100 meters or approximately 333 feet, and this includes the 2.0 > specification. Class 1 devices (transmitters and receivers) can theoretically > attain this range, but most devices are class 2 with an effective range of 10 > meters or 33 feet. Class 3 devices are for very short ranges, only up to 1 > meter or 3 feet. A lot can interfere with your bluetooth range though, so you > shouldn't expect to nail that 30 feet. Like I said, I'm just mentioning this > for clarification. The specification lays out the maximum range but the class > of device determines how much of that maximum range you can expect. > >> On 11/08/2013 04:20 PM, David Chittenden wrote: >> There are a few things to consider. First, and most important, the bluetooth >> earpiece headset, whether mono or stereo, must support the A2DP profile. >> This profile is normally used for transmission of music over Bluetooth, so >> almost every stereo headset has it. Nowadays, many mono headsets also >> support the profile, but there are still many that do not. If you only hear >> VO in your earpiece during a call, your earpiece does not support A2DP, and >> the only option is to acquire a new earpiece. >> >> Your second issue is a little more complicated. Bluetooth 2.0, which most >> earpieces use, has a range of 10 feet. However, when the iPhone is in your >> pocket, the water content of your body blocks a significant amount of the >> signal. When I am using my Bluetooth "b.0 headset, I cannot get a proper >> connection if the phone is in the pocket on the other side of my body. If I >> use a coat pocket, the phone is usually far enough away from my body that >> the signal is not strongly mitigated by my body. In other words, I can use >> the phone across my body, unless the jacket construction has materials that >> dampen the signal. >> >> That said, I have a Bluetooth headset which uses Bluetooth 3.0. This profile >> permits a signal of up to 75 feet line of sight. When the iPhone is in my >> pocket on the opposite side of my body, I get a clear signal most of the >> time. There can still be some signal degradation occasionally, but it >> usually works. However, if I put my iPhone in the pocket on the same side as >> my earpiece, it works quite well. The Bluetooth 3.0 earpiece I use is the >> Motorola H19TXT. Note: the H19 does not provide A2DP profile. It must be the >> H19TXT model. >> >> David Chittenden, MSc, MRCAA >> Email: [email protected] >> Mobile: +64 21 2288 288 >> Sent from my iPhone >> >>> On 5 Nov 2013, at 2:33, La Francesca Vincenzo <[email protected]> wrote: >>> >>> Hi to all, >>> this is my first message on the list. >>> I think that this problem has been already explained. Enyway… >>> I need to to buy a mono headset bluetooth, fully functional with voice over >>> and siri. >>> Now I own a plantroix pl 165, and I’m encountering some difficulties. >>> The quality of conversation is not good. If I put the iphone 5c in my >>> pocket, sometime I can’t Hear the voice of the conversation. >>> With siri, my commands don’t work properly: siri doesn’t understand >>> anything, or doesn’t understand wath I’m seeing, and she doesn’t answer >>> correctly. >>> When I receive a new cal, the voice over announces the caller id out of the >>> headset, and I have to answer without now how is calling. >>> I test this headset mono on iphone 4s, iphone 5 and 5c, with latest >>> firmware version: iOS 7.0.3. >>> The results are the same. >>> But, if I use this device without voiceover, it seems to work properly. >>> I’m sort for my incorrect English. >>> Any suggestions? An app to use to fix this problem? >>> A new model of headset mono to buy’ >>> My italian fiends use a lots of headset, but not mon headset, but stereo >>> headset. >>> I’m totally blind and I have to use a none had set to walk while I’m >>> talking at the phone. >>> I had a dengereus experience using the iphone without anything, because, >>> while I’m talking with one of my fiends, someone decided to steal my device >>> form my hend. >>> Hovviously “find my iphone” doesn’t work, because I read about someone able >>> to change the serial number and the imdi of the apple devices. >>> >>> Now I use the device in the pocket. With the headset I can hear the >>> voiceover, with a bluetooth mini keyboard I can use the idevice. >>> Minikeyboard: 20 eurs . >>> >>> Tanks in advance. >>> >>> Vincenzo >>> >>> -- >>> You received this message because you are subscribed to the "VIPhone" >>> Google Group. >>> >>> Post a new message to VIPhone by emailing [email protected]. >>> >>> Search and view the VIPhone archives by visiting >>> http://www.mail-archive.com/[email protected]/. >>> >>> Reach the VIPhone owner and moderators by emailing >>> [email protected]. >>> >>> Unsubscribe and leave VIPhone by emailing >>> [email protected]. >>> >>> More VIPhone group options can be found by visiting >>> http://groups.google.com/group/viphone?hl=en. >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "VIPhone" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. > > -- > Christopher (CJ) > chaltain at Gmail > > -- > You received this message because you are subscribed to the "VIPhone" Google > Group. > > Post a new message to VIPhone by emailing [email protected]. > > Search and view the VIPhone archives by visiting > http://www.mail-archive.com/[email protected]/. > > Reach the VIPhone owner and moderators by emailing > [email protected]. > > Unsubscribe and leave VIPhone by emailing > [email protected]. > > More VIPhone group options can be found by visiting > http://groups.google.com/group/viphone?hl=en. > --- You received this message because you are subscribed to the Google Groups > "VIPhone" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the "VIPhone" Google Group. Post a new message to VIPhone by emailing [email protected]. Search and view the VIPhone archives by visiting http://www.mail-archive.com/[email protected]/. Reach the VIPhone owner and moderators by emailing [email protected]. Unsubscribe and leave VIPhone by emailing [email protected]. More VIPhone group options can be found by visiting http://groups.google.com/group/viphone?hl=en. --- You received this message because you are subscribed to the Google Groups "VIPhone" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
