18 1 Gm-C : Gm 3 PLL : Phase Locked Loop, C 2 DA : Digital to Analog Converter, 19 ML7066 ML7222 ML9636 ZigBee＊5) 426MHz, 429MHz FSK 2.4GHz ＊4) 5.8GHz ASK/QPSK ＊6) Offset-QPSK 1.2kbit/s, 2.4kbit/s, 4.8kbit/s ASK QPSK 250kbit/s 30mA 16mA ARIB STD-T67 DSRC 1.024Mbit/s 4.096Mbit/s 24mA 26mA RCR STD-30 IEEE802.15.4 RF 63mA 91mA ZigBee 1.0 ARIB STD-T75 RF RF 48 7.2 4 FSK : Frequency Shift Keying, 7 UHF : Ultra High Frequency, 20 7.2 1.0 5 ZigBee , 300MHz 3GHz 52 7.2 7.2 ZigBee Alliance 2.4GHz 1.0 UHF 48 7.0 7.0 0.8 6 QPSK : Quadrature Phase Shift Keying, 2.4GHz 21