Set up APN in Sierra Wireless Modules

Access Point Name (APN) are required to to setup data connection with network providers. APNs are unique to each network provider, they need to be programmed in the device.

How to setup APNs in Sierra Wireless modules?

AT+CDGCONT command is used to the read and write APNs in the Sierra Wireless modules. APNs are part of Packet Data protocol (PDP) contexts. Multiple PDP contexts can be programmed in a device. The PDP context consist of CID (Context ID), PDP Type, APN, PDP Address, data and header compression.

AT Command Tester tool can be used to program APN in Sierra Wireless modules. The APN information is provided by the network provider along with the SIM card.

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