I purchased a Botletics SIM7000A Arduino shield from Amazon, and ordered two SIM cards from Hologram. I activated the two SIM cards, and on my Hologram dashboard the status for each shows up as “Your SIM is activated and ready for use.” Neither card is connecting - it appears they do not register with the cellular network.
Using the SIM7000-LTE-Shield Github application, I am able to read the SIM CCID:
FONA> C
—> AT+CCID
<— 8944502…
SIM CCID = 8944502…
I have good signal strength:
FONA> i
—> AT+CSQ
<— +CSQ: 31,99
RSSI = 31: -52 dBm
FONA>
However, Enable Cellular Data fails:
FONA> G
—> AT+CIPSHUT
<— SHUT OK
—> AT+CGATT=1
<—
Failed to turn on
FONA>
Network status shows as not registered:
FONA> n
—> AT+CGREG?
<— +CGREG: 0,0
Network status 0: Not registered
Network connection info also gives an error:
FONA> l
—> AT+CIPGSMLOC=1,1
<— ERROR
Failed!
I created a tunnel to directly send commands using the S command. I tried the modem commands troubleshooting instructions on the “Connecting to Network” wiki page. Here is what I see for the available cellular providers:
AT+COPS=?
+COPS: (3,“Verizon”,“Verizon”,“311480”,7),(0,1,2,3,4),(0,1,2)
OK
Attempting to connect to Verizon directly does not work either:
OK
AT+COPS=3,“311480”,7
ERROR
I used modem command troubleshooting commands from the Hologram help pages also without any success:
AT+CFUN=1
OK
AT+CGDCONT=1,“IP”,“hologram”
OK
AT+CMNB=1
OK
AT+CIPSTATUS
OK
STATE: PDP DEACT
AT+CIPSHUT
SHUT OK
AT+CIPSTATUS
OK
STATE: IP INITIAL
AT+CSTT="hologram"
OK
AT+CIICR
+PDP: DEACT
ERROR
Any idea what I am doing wrong?
Thanks,
Frank