Users Manual

1
1
2
2
3
3
4
4
D D
C C
B B
A A
C11
104
C12
104
C9
470pF
C10
4.7uF
VDD
VDD
GND
GND
GND
GND
C1
15pF
C2
6.8pF
C3
7.5pF
C7
4.7pF
C8
4.7pF
Item
Item No.
Date
RF Module
RFM2300-33
Fujian Baldr Technology Co.,Ltd
C13
22pF
C15
22pF
C14
22pF
C4
22pF
GND GND GND GND
RFIP
1
RFIN
2
PA
3
AVDD
4
AGND
5
DGND
6
DVDD
7
GPIO3
8
SCLK
9
SDIO
10
CSB
11
FCSB
12
XI
13
XO
14
GPIO2
15
GPIO1
16
CMT2300A
U1
CMT2300A
GND
C6
27pF
GND
C5
27pF
4
2 1
3
X1
26MHz
GND
GND
VDD
GND
E1
GPIO3
SCLK
SDIO
CSB
FCSB
GPIO2
GPIO1
L2
56nH
L3
33nH
L4
18nH
L5
18nH
L9
68nH
L8
27nH
L7
27nH
L1
180nH
1
2
3
4
5
6
7
J2
1
2
3
4
5
6
7
J1
VDD
ANT
ANT
GND
CSB
SCLK
FCSB
SDIO
GPIO1
GPIO3
GPIO2
GND
2020-09-03