Data Sheet

SIM7600E-H 4G HAT User Manual
11
Rev1.0 June 8, 2018
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AT+CNUM
Phone number (Not all SIM cards Support)
+CNUM
OK
AT+CSDVC
AT+CSDVC=1：Handset output
AT+CSDVC=3：Speaker output
OK
AT+CLVL=?
check volume level
OK
AT+CLVL=2
volume level set to 2
OK
ATD<phone_number>;
Make calls
OK
AT+CHUP
Hang up call
OK
AT+CLIP=1
Phone ring
OK
ATA
Call answer
OK
2.3. Send and receive messages
1. Plug the SIM card, connect the LTE antenna and and connect the USB interface of
SIM7600E-H 4G HAT to PC. Then press the PWRKEY to power on the board;
2. Check whether the indicators blink correctly (PWR’s and NET’s flashes).
3. Send AT commands as bellow: