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CDC ACM GET LINE CODING request in Linux

Posted by on Ago 18, 2017 in development, kernel, Linux, USB |

Recently I was looking for a way to verify if CDC ACM GET LINE CODING request was working properly on a specific modem, since a customer was reporting an issue with it. In document “USB Communication Class Subclass Specification for PSTN Devices” GET LINE CODING is described as following (paragraph 6.2.2, Table 11): “Requests current DTE...

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Telit plugin improvements in ModemManager

Posted by on Giu 26, 2017 in kernel, Linux, MBIM, ModemManager, Telit | 1 comment

In the past few months a lot of development happened recently in ModemManager, both new features and bugfixings. As usual I will mainly focus on the changes that affect Telit plugin, but I suggest to take a look log at the whole git log since there is a lot more. Telit plugin new features A short list of new features: Telit RS232 modem supports, mandatory...

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Telit LE922 rmnet and MBIM support added in Linux kernel

Posted by on Dic 29, 2016 in development, kernel, Linux, MBIM, ModemManager, Telit |

Telit LE922 rmnet and MBIM support has been recently added in Linux kernel. Telit LE922 product series key features: LTE data rates in 4G networks up to 300 Mpbs downlink and 50Mbps in uplink. Carrier aggregation up to 40MHz bandwidth, both intraband and interband, and MIMO 2×2 Multiple regional variants to support the various bands (FDD/TDD) and band...

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Telit GE910 support added into ModemManager

Posted by on Ott 23, 2016 in Android, AOSP, development, kernel, Linux, ModemManager, RIL, Telit |

A few weeks ago Telit GE910 support has been added into ModemManager (mm-1-6 branch and master). The GE910 is a 2.5G cellular module (4 Bands GSM | GPRS: 850 / 900 / 1800 / 1900 MHz, GPRS class 10) designed to be fully compatible with Telit’s HSPA and EV-DO products, using the same connector-less xE910 unified form factor family. Telit GE910 is avaliable...

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Telit LE920A4 now supported in Linux kernel

Posted by on Ago 21, 2016 in development, kernel, Linux, Telit |

Two days ago Telit LE920A4 support in the option driver has been merged into master and should be available since kernel version 4.8-rc3. The LE920A4 is an automotive grade LTE modem capable of 150 Mbps in downlink and 50 Mbps in uplink and full fallback compatibility with HSPA+, EDGE and GSM/GPRS. Other interesting key points are the GNSS support (GPS,...

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