https://www.irrigationbox.com.au/drip-line-application-rate-calculator

Raina Kabaivanska (Bulgarian: Райна Кабаиванска; née Yakimova (Bulgarian: Якимова); born 15 December 1934) is a Bulgarian opera singer, one of the leading lirico-spinto sopranos of her generation, particularly associated with Verdi and Puccini, although she sang a wide range of roles.

https://en.wikipedia.org/wiki/Raina_Kabaivanska

AT+URAT=8

OK
AT+URAT?

+URAT: 8

OK
AT+CMEE=2

OK
AT+CGDCONT=1,“IP”,“dev.sodaq.com”

OK
AT+CGDCONT?

+CGDCONT: 1,“IP”,“dev.sodaq.com”,“0.0.0.0”,0,0,0,0

OK
AT+CFUN=1

OK
AT+COPS=1,2,“23201”

OK
AT+CSQ

+CSQ: 99,99

OK
AT+CREG=2

OK
AT+CREG?

+CREG: 2,2

OK
AT+CGPADDR

+CGPADDR: 1,0.0.0.0

OK
AT+USOCR=17

+CME ERROR: No connection to phone

AT+USOCR=17

+CME ERROR: No connection to phone

AT+USOST=0,“37.97.216.22”,3000,4,“Data”

+CME ERROR: Operation not allowed

AT+USOCL=0

+CME ERROR: Operation not allowed

at AT+USOCR=17 the errors begin.

Source: AT-Commands for NB-IoT – SARA – SODAQ Forum

Source: serial port – How to send AT commands to a modem in Linux? – Unix & Linux Stack Exchange