SIMCom SIM7600G-H
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The SIMCom SIM7600G-H is a global LTE Cat-4 modem which can transfer data up to 150Mbps.
Monogoto SIM
SIMCom SIM7600G-H
Keep the AT Commands manual next to you to look up details about AT Commands. To download the latest version, visit the SIMCom website, scroll down to the section File Download and search for a file called: SIM7500_SIM7600 Series_AT Command Manual.
Reset the modem to its default configuration:
Set the error reporting to verbose, resulting in more descriptive error messages (optional):
Check if the SIM card is attached and is not locked with a PIN, expected response: +CPIN: READY:
If you receive an error, the SIM may not be inserted properly or the SIM is protected with a PIN. By default, Monogoto SIMs are not PIN protected.
Request the product type number:
Request the modem hardware version:
Request the modem firmware version:
Request the IMSI (International Mobile Subscriber Identity):
Request the ICCID (Integrated Circuit Card ID), which is the identification number of the SIM card
It is possible to let the modem select the network automatically, or to manually define a network to connect with.
To set the modem to automatic network selection enter the command:
Check the network and cellular technology the modem is currently using:
Expected response: +COPS: 0,0,"<name of operator>",X. The last digit indicates the cellular technology:
0 indicates GSM
1 indicates GSM Compact
2 indicates UTRAN
7 indicates EUTRAN (LTE)
8 indicates CDMA/HDR
Start with searching for available networks:
It may take several minutes before the modem responds.
The modem responds with the names and the MCCMNC codes of the available networks. It also shows the cellular technologies the networks support:
Example response:
To find which of the networks Monogoto has roaming agreements with, review the Coverage lists.
Check the network and cellular technology the modem is currently using:
Expected response: +COPS: 0,0,"<name of operator>",X. The last digit indicates the cellular technology.
Manually set the network and the cellular technology:
Replace XXXXX with the MCCMNC code of your operator, for example"20404" for Vodafone NL. Use 7 for LTE.
Check the radio signal strength and signal quality:
+CSQ returns 2 values separated by a comma. The first value represents the signal strength and provides a value between 0 and 31; higher numbers indicate better signal strength. The second value represents the signal quality indicated by a value between 0 and 7. If AT+CSQ returns 99,99, the signal is undetectable or unknown.
Set the APN to data.mono:
To test if the APN is set correctly, enter:
Expected response: +CGDCONT: 1,"IP","data.mono","0.0.0.0",0,0,0
Activate the PDP (packet data protocol) context:
Test if the PDP context is activated:
Expected response: +CGACT: 1,1
To test what cellular technology and what band the modem is using request the UE (User Equipment) System Information:
The first variable shows the cellular technology, BANDX specifies the band.
Example response:
Expected response: +CGPADDR: 1,XX.XXX.XX.XXX
Do you see an IP address? Congratulations! 🎉 You’ve successfully connected the SIM7070G to Monogoto.
A PING test can be performed to test if the modem has an active data connection with a mobile network.
When cellular modems are idle for a long period of time, cell towers might drop the data connection to save resources. Sending regular PINGs is a good method for testing the data connection, as well as for keeping the connection alive because the operator registers your device as being actively used.
Send 5 PINGs to IP address 8.8.8.8 with a timeout of 20 seconds.
If the connection is active, you will see 5 PINGs with a number representing the response time in milliseconds. Example response:
Great work on connecting the SIM7600G-H to Monogoto! Have a look at the Things logs in the Monogoto Console to find more details about the established connection.
SIMCom AT Commands
Scroll down to the section File Download to find the latest version named: SIM7500_SIM7600 Series_AT Command Manual
To find the profile of your SIM, visit the Monogoto Console, open the page Things and select a specific Thing. Scroll down to Mobile Identities to find your profile in the column Network Provider Name.
