Seems the original Nexus 7 is using the Infineon XMM6260 phone controller, while the 2013 edition is using Qualcomm MDM9215M with LTE support (seems to be a Gobi modem, which ModemManager might already support).
Seems the original Nexus 7 is using the Infineon XMM6260 phone controller, while the 2013 edition is using Qualcomm MDM9215M with LTE support (seems to be a Gobi modem, which ModemManager might already support).