wifi: eee 802.11b, ieee 802.11g,
ieee 802.11n
b t: v2.1+edr/bt v3.0/bt v3.0+hs/bt v4.0
802.11b: cck, dqpsk, dbpsk
802.11g: 64 qam, 16 qam, qpsk, bpsk
802.11n: 64 qam, 16 qam, qpsk, bpsk
b t: 8dpsk, π/4 dqpsk, gfsk
wifi：802.11b: 11, 5.5, 2, 1 mbps
802.11g: 54, 48, 36, 24, 18, 12, 9, 6 mbps
802.11n: mcs 0 to 7 for ht20mhz ;
mcs 0 to 7 for ht40mhz
b t: 1 mbps for basic rate
2,3 mbps for enhanced data rate
ieee 802.11b: dsss (direct sequence spread spectrum)
ieee 802.11g/n:ofdm (orthogonal frequency division multiplexing)
bt: fhss(frequency-hopping spread spectrum)
wifi: 1m: -96dbm@8%per
6m: -89dbm@10%per
11m:-85dbm@8%per 54m:-74dbm@10%per
135m:-68dbm@10%per
b t: -89dbm@1mbps, -85dbm@2mbps, -83dbm@3mbps
wifi: 16dbm@11b, 13dbm@11g ,12dbm@11n
bt: max +10dbm
wifi: indoor 100m, outdoor 300m, according the local environment
bt: 10m max.
12*12*2.0mm (lxwxh) ;tolerance: +-0.2mm
standby mode 64ma@3.3v ,
tx mode 285ma@3.3v