Quectel TE-A, Практическое обучение

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@ Quectel Wireless Solutions | Page 4
GSM EVB – Interfaces Top Side
A: Debug port
B: Main port
C: UART3 port
D: Adapter interface
E: POWER switch
F: VCHG switch
(Not used)
G: D/L switch
H: PWKEY button
I: EMERG_OFF button
J: Loudspeaker interface
(Not used)
K: Earphone interface
L: Handset interface of audio channel 2
M: Handset interface of audio channel 1
N: Test points
O: Status indication LEDs
(D203&D204 Not used)
P: 60-pin TE-A interface
Q: Battery interface
(Not used)
R: Fixture hole for RF cable connector
S: (U)SIM card interface
T: Fixture holes for EVB poles
U: Screw holes for fixing the module
V: SD card interface