
Bluetooth Module Series
HCM111Z_TE-B_User_Guide 22 / 22
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Appendix References
Table 3: Related Documents
Table 4: Terms and Abbreviations
Document Name
[1] Quectel_HCM111Z_AT Command
[2] Quectel_HCM111Z_Hardware Design
Abbreviation
Description
DC
Direct Current
GND
Ground
IC
Integrated Circuit
LDO
Low-dropout Regulator
MIC
Microphone
PC
Personal Computer
RF
Radio Frequency
RXD
Receive Data
SMA
Sub Miniature Version A
TXD
Transmit Data
UART
Universal Asynchronous Receiver & Transmitter
USB
Universal Serial Bus
VBAT
Voltage at Battery