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BK4818
: 128 ~ 590 MHz 12.5/25 kHz 5 dBm 3.0 V ~ 3.6 V 8 CTCSS 23/24 bit DCS DTMF SELCALL 1.2/2.4 kbps FSK ，
F2D F1W
8Mbps 3-wires MCU
QFN 4x4 32-Pin
BK4818 TDD ， 124MHz~560MHz。BK4818 ， F2D F1W FSK FRS DPMR GPS 。
BK4818 ，、 。 ，、 。
NC NC NC GPIO1 GPIO0 SDATA SCN SCK
32 31 30 29 28 27 26 25
NC 1 NC 2 VCCXTAL 3 XO 4 XI 5 VDDXTAL 6 VCCCB 7 EARO 8
BK4818 QFN4x4
24 GNDDIG 23 VBATD 22 CDVDD 21 VCCVCO 20 NC 19 NC 18 VRAMP 17 PAOUT
9 10 11 12 13 14 15 16
VCCRF LNAIN MICP MICN VCCIF VCCPLL NC NC
QFN 32 Pin ()
Rev.1.2
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BK4818
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BK4818
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BK4818 Datasheet
