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Cellular Phone Forum / General / Bluetooth / July 2004bluetooth range question
Does it increase the range if i use a class 1 and a class 3 bluetooth device? or would it be the same as using a class 3 and a class 3?  Signature5khzgjf9e001@sneakemail.com No, it doesn't... SignatureMauricio Freitas, Microsoft MVP Mobile Devices Bluetooth guides: http://www.geekzone.co.nz/content.asp?contentid=449 Performance Centre (Pocket PC reviews): http://www.geekzone.co.nz/content.asp?ContentId=2028 Handango discount: http://www.geekzone.co.nz/handango_code.asp > Does it increase the range if i use a class 1 and a class 3 bluetooth > device? or would it be the same as using a class 3 and a class 3? Class 2 = -30 dBm (1 mW) which equals with a range of about 10 meters Class 1 = -20 dBm (10 mW) which equals with a range of about 30 to 100 meters Class 3 does not exist. If mixing class 1 and 2 you will get the lowerst distance: 10 meters. (one site is shouting, the other is whispering ....) Greetings, Bernd > No, it doesn't... > > > Does it increase the range if i use a class 1 and a class 3 bluetooth > > device? or would it be the same as using a class 3 and a class 3? Moin, Am Wed, 28 Jul 2004 21:19:13 +0200 schrieb Bernd: > Class 2 = -30 dBm (1 mW) which equals with a range of about 10 meters > Class 1 = -20 dBm (10 mW) which equals with a range of about 30 to 100 > meters > > Class 3 does not exist. Now that's funny. My copy of the Bluetooth spec[1] talks about class 1 devices with 100 mW (20 dBm), class 2 devices with 2.5 mW (4 dBm) and class 3 devices with 1 mW (0 dBm) (maximum output power each). [1] Table 3.1 in Vol 2 Part A Section 3 of the Bluetooth Core Spec 1.2 SignatureHenryk Plötz Grüße aus Berlin ~~~~~~~ Un-CDs, nein danke! http://www.heise.de/ct/cd-register/ ~~~~~~~ ~ Help Microsoft fight software piracy: Give Linux to a friend today! ~ Henryk, you are right. I must have had a sun burn ...... :>)) Best regards from sunny Holland Bernd "Henryk Pl?tz" <henryk.nospamplease@ploetzli.ch> schreef in bericht news:20040729071819.7e10ff41.henryk.nospamplease@ploetzli.ch... Moin, Am Wed, 28 Jul 2004 21:19:13 +0200 schrieb Bernd: > Class 2 = -30 dBm (1 mW) which equals with a range of about 10 meters > Class 1 = -20 dBm (10 mW) which equals with a range of about 30 to 100 > meters > > Class 3 does not exist. Now that's funny. My copy of the Bluetooth spec[1] talks about class 1 devices with 100 mW (20 dBm), class 2 devices with 2.5 mW (4 dBm) and class 3 devices with 1 mW (0 dBm) (maximum output power each). [1] Table 3.1 in Vol 2 Part A Section 3 of the Bluetooth Core Spec 1.2 SignatureHenryk Pl?tz Gr??e aus Berlin ~~~~~~~ Un-CDs, nein danke! http://www.heise.de/ct/cd-register/ ~~~~~~~ ~ Help Microsoft fight software piracy: Give Linux to a friend today! ~ |
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