AT+CREG? returns 0,0 on EM7565

IoT Modules MC/EM Series
1

Dear All,
I verified the SIM on phone and was able to browse the internet. After using it in the Modem, below is the output

AT+CREG: 0,0
OK
AT+CGREG: 0,0
OK
AT+CPIN?
+CPIN: READY
OK
AT+CGDCONT?
+CGDCONT: 1, “IPV4V6”,“jionet”, "0.0.0.0…
OK

AT+GSTATUS?
Temperature:32
Mode: ONLINE
System Mode: WCDMA
PS state: Not attached
WCDMA Band: No Band
MM (CS) state: IDLE NO SERVICE
WCDMA L1 State : L1M_DEEP_SLEEP

AT!USBCOMP?
ERROR

AT!USBINFO?
VID: 0x9091
APP PID: 0x9090
Manufacture: Sierra
Product Sierra Wireless EM7565

Please suggest why I am getting CREG as 0,0

2

Have you checked the frequency band supported in at!Band?

Did you connect antenna?

3

Dear @jyijyi

AT!BAND?
00. All bands
ok

No. I am using Techship MU201 USB adapter with EM7565. Does it require external Antenna?

Thanks,
Subash

4

I don’t know, you need to see if the antennas are connected to module

5

Dear @jyijyi We are using this device for the first time, Can you please help us in what type of antenna need to be connected and any other information related to it.

Thanks,
Subash

6

did you check product technical specification of EM7565?
I saw there is a section about anteanna

7

Dear @jyijyi Yes. I saw a section. Can you please suggest any immediate available antenna in the market that can be bought to be used with EM7565, we are tight on schedule to make custom antenna. Thanks you.

8

I remember some user uses this one: