1. Throughout the United States and alike Europe,the ambit of abundance is 2,400 - 2,483.5 MHZ, with79 1-MHz RF (radio frequency) channels. Thefrequency ambit in Japan is 2,472 to 2,497 MHz with23 1-MHz RF channels.
2. A abstracts approach of Bluetooth about hops 1,600times per additional amid the 79 RF channels.
3. Anniversary Bluetooth approach is disconnected into timeslots, with anniversary one actuality 625 microseconds long.
4. A Bluetooth piconet has one adept and up toseven slaves. The adept will address in eventime slots, while the disciplinarian will address in oddtime slots.
5. The abstracts in a distinct packet can be up to 2,745bits in length.
6. Currently, there are two types of abstracts transferbetween accessories - SCO (synchronous connectionoriented) and ACL (asynchronous connectionless).
7. In a Bluetooth piconet, there can be up tothree SCO links absolute 64,000 $.25 per secondwith anniversary one. To advice abstain blow and timingproblems, the links of the SCO will use reservedslots set up by the master.
8. A adept can abutment up to three SCO linkswith either one, two, or alike three slaves.
9. The slots not aloof for the SCO links canbe acclimated for ACL links.
10. A distinct adept and bondservant can accept one ACLlink.
11. ACL is either adept to one bondservant (point topoint) or it broadcasts to all of the slaves.
12. The ACL disciplinarian will alone address back it hasbeen requested by the master. If the adept doesn'tmake the request, the ACL disciplinarian won't addressanything at all.
(word calculation 281)
