SimCom SIM800 Hardware Design page 65

TX
UART
URC
USSD
VSWR
Phonebook abbreviations
FD
LD
MC
ON
RC
SM
NC
SIM800_Hardware Design_V1.10
Transmit Direction
Universal Asynchronous Receiver & Transmitter
Unsolicited Result Code
Unstructured Supplementary Service Data
Voltage Standing Wave Ratio
SIM fix dialing phonebook
SIM last dialing phonebook (list of numbers most recently dialed)
Mobile Equipment list of unanswered MT calls (missed calls)
SIM (or ME) own numbers (MSISDNs) list
Mobile Equipment list of received calls
SIM phonebook
Not connect
65
Smart Machine Smart Decision
2018-08-13