I’ve been looking for info on the newer Bluetooth standards, 1.2 and 2.0 but cannot seem to find much on the net. Does anyone know if these will be implemented a bit more widely or if they are not so popular.

I also plan to get a Bluetooth headset next week and am wondering if it will make a difference if I choose a 1.1 or 1.2 model. Any advice?

The Bluetooth protocol divides the 2.45GHz radio band into 79 channels and changes channels up to 1600 times per second. Implementations with versions 1.1 and 1.2 reach speeds of 723.1 kbit/s. Version 2.0 implementations feature Bluetooth Enhanced Data Rate (EDR), and thus reach 2.1 Mbit/s. Technically version 2.0 devices have a higher power consumption, but the three times faster rate reduces the transmission times, effectively reducing consumption to half that of 1.x devices (assuming equal traffic load).

Though to my knowledge v1.1 does not support A2DP which is the stack that supports stereo bluetooth headsets it only supports SCO and eSCO which is used for mono headsets such as mobile phone ones. But it may be possible to flash v.1.1 firmwares.

I am not dead certain about this and one other thing is v2.0 eventhough its faster, listening to music wont be affected, i dont think, though im sure the LMP, link manager protocol, in v2.0 has been revised and will adjust power consumption accordingly so as when listening to music it won’t use the whole bandwidth available.

p.s. dont hold me to the last two paragraphs

ok now i can add to my post for exact clarification…

v1.x can support A2DP though performance will suffer if other devcies are connected to the device because A2DP hogs up mosty of 1.x bandwidth.

For a mono headset this obviously is no problem, any version will do.

So if you want to use stereo headsets go for v2.0, and if you dont, still try to go for v2.0 cause you never know what you may want to support in the future…

one more note… i dont hink v1.x can supply enough data fast enough to enable laser printing only bubblejet… can anyone back this up?