Quectel 5G Module Series - Page 25

5G Module Series
5G-REDCAP_EVB_User_Guide 24 /
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Table 8: Pin Definition of J0503
The following figure shows a schematic of audio plug which suits the audio jack on the EVB.
Figure 16: Schematic of Audio Plug
2
1
MIC
GND
SW
SPK_R
SPK_L
3
4
32Ω
32Ω
Pin No.
Pin Name
Description
1
MIC
Microphone input
2
AGND
Dedicated GND for audio
3
SPK_R
Right channel of stereo audio output
4
SPK_L
Left channel of stereo audio output
5, 6
NC
NC