1.\" 2.\" Copyright (c) 2008 AnyWi Technologies 3.\" All rights reserved. 4.\" 5.\" This code is derived from uark.c 6.\" 7.\" Permission to use, copy, modify, and distribute this software for any 8.\" purpose with or without fee is hereby granted, provided that the above 9.\" copyright notice and this permission notice appear in all copies. 10.\" 11.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18.\" 19.Dd February 4, 2023 20.Dt U3G 4 21.Os 22.Sh NAME 23.Nm u3g 24.Nd USB support for 3G and 4G datacards 25.Sh SYNOPSIS 26To compile this driver into the kernel, 27place the following lines in your 28kernel configuration file: 29.Bd -ragged -offset indent 30.Cd "device usb" 31.Cd "device ucom" 32.Cd "device u3g" 33.Ed 34.Pp 35Alternatively, to load the driver as a 36module at boot time, place the following line in 37.Xr loader.conf 5 : 38.Bd -literal -offset indent 39u3g_load="YES" 40.Ed 41.Pp 42If neither of the above is done, the driver will automatically be loaded 43by devd(8) when the device is connected. 44.Sh DESCRIPTION 45The 46.Nm 47driver provides support for the multiple USB-to-serial interfaces exposed by 48many 3G USB/PCCard modems. 49.Pp 50The device is accessed through the 51.Xr ucom 4 52driver which makes it behave like a 53.Xr tty 4 . 54.Sh HARDWARE 55The 56.Nm 57driver supports the following adapters: 58.Pp 59.Bl -bullet -compact 60.It 61Option GT 3G Fusion, GT Fusion Quad, etc. (only 3G part, not WLAN) 62.It 63Option GT 3G, GT 3G Quad, etc. 64.It 65Vodafone Mobile Connect Card 3G 66.It 67Vodafone Mobile Broadband K3772-Z 68.It 69Qualcomm Inc. CDMA MSM 70.It 71QUECTEL EC25, EM05, EM12-G, EP06-E. 72.It 73Huawei B190, E180v, E220, E3372, E3372v153, E5573Cs322, ('<Huawei Mobile>') 74.It 75Novatel U740, MC950D, X950D, etc. 76.It 77Sierra MC875U, MC8775U, etc. 78.El 79.Pp 80(See 81.Pa /sys/dev/usb/serial/u3g.c 82for the complete list of supported cards for each vendor 83mentioned above.) 84.Pp 85The supported 3G cards provide the necessary modem port for ppp, or mpd 86connections as well as extra ports (depending on the specific device) to 87provide other functions (additional command port, diagnostic port, SIM toolkit 88port). 89.Pp 90In some of these devices a mass storage device supported by the 91.Xr umass 4 92driver is present which contains Windows and Mac OS X drivers. 93The device starts up in disk mode (TruInstall, ZeroCD, etc.) and requires 94additional commands to switch it to modem mode. 95If your device is not switching automatically, please try to add quirks. 96See 97.Xr usbconfig 8 98and 99.Xr usb_quirk 4 . 100.Sh FILES 101.Bl -tag -width "/dev/ttyU*.*.init" -compact 102.It Pa /dev/ttyU*.* 103for callin ports 104.It Pa /dev/ttyU*.*.init 105.It Pa /dev/ttyU*.*.lock 106corresponding callin initial-state and lock-state devices 107.Pp 108.It Pa /dev/cuaU*.* 109for callout ports 110.It Pa /dev/cuaU*.*.init 111.It Pa /dev/cuaU*.*.lock 112corresponding callout initial-state and lock-state devices 113.El 114.Sh EXAMPLES 115Connect to the Internet using the default configuration: 116.Bd -literal -offset indent 117ppp -background u3g 118.Ed 119.Sh SEE ALSO 120.Xr tty 4 , 121.Xr ucom 4 , 122.Xr usb 4 , 123.Xr usb_quirk 4 , 124.Xr devd 8 , 125.Xr ppp 8 , 126.Xr usbconfig 8 127.Sh HISTORY 128The 129.Nm 130driver appeared in 131.Fx 7.2 , 132is based on the 133.Xr uark 4 134driver, and written by 135.An Andrea Guzzo Aq Mt aguzzo@anywi.com 136in September 2008. 137.Sh AUTHORS 138.An -nosplit 139The 140.Nm 141driver was written by 142.An Andrea Guzzo Aq Mt aguzzo@anywi.com 143and 144.An Nick Hibma Aq Mt n_hibma@FreeBSD.org . 145Hardware for testing was provided by AnyWi Technologies, Leiden, NL. 146.Sh BUGS 147The automatic mode switch from disk mode to modem mode does not work unless 148the driver is either built into the kernel or loaded before the device is 149connected. 150