Specifications

Interfa
ce
Pin No. Symbol
Function
Description
Remark
1
GND
Ground
2 VIN
RF
Module Supply
Voltage Input
1.9V ~ 3.6
V
3
NC
No Connecti
on
4
SCS
SPI Chip Sel
ection
5
SCK
SPI Clock
6
SDIO
SPI Data I
/O
7
GIO1
General Purpose I/O 1
8
GIO2
General Purp
Bill of Material
Item
Component
Value
Remar
k
1
C1
1uF,0402,Y5U
2 C2
1uF,0402,Y5U
3 C3
1uF,0402,Y5U
4 C4
1uF,0402,Y5U
5
C5
1uF,0402,Y5U
6
C6
10pF,0402,NPO
7
C7
120pF,0402,X7R
8
C8
1.5nF,0402,X7R
C9
1.5nF,0402,X7R
C10
22pF,0402,NPO
C11
0.1uF,0402,Y5U
C12
100pF,0402,NPO
C13
22nF,0402,X7R
C14
33pF,0402,NPO
C15
33pF,0402,NPO
L2
4.7uH,0402,1%
L3
1.2uH,0402,1%
R1
10,0402,5%
R2
200,0402,5%
U1
QFN20(4X4),MD-A7105-F11
AMICOM
U2
US49,16MHz,20ppm