.\" $NetBSD: uhmodem.4,v 1.6 2011/04/28 11:25:12 wiz Exp $
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.\" Copyright (c) 2008 The NetBSD Foundation, Inc.
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.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Lennart Augustsson.
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.Dd January 8, 2008
.Dt UHMODEM 4
.Os
.Sh NAME
.Nm uhmodem
.Nd USB support for Huawei 3G wireless modem device
.Sh SYNOPSIS
.Cd "uhmodem*  at uhub?"
.Cd "ucom*  at uhmodem?"
.Sh HARDWARE
The
.Nm
driver supports the following adapters:
.Pp
.Bl -tag -width Dv -offset indent -compact
.It Huawei E220
.It E-mobile D01HW
.It E-mobile D02HW
.It NTT DoCoMo a2502
.El
.Sh DESCRIPTION
The
.Nm
driver provides support for the Huawei 3G wireless modems and its variants.
This type of device has multiple com ports.
And some modems have own storage to contain its device driver (for Windows).
The
.Nm
driver can handle all of these functions on the device.
.Pp
When the device attached, it will attach multiple ucom devices.
The former one is main com device to use communication with your
network provider, and others are sub com devices to monitor the
condition of data communication and/or network status.
These com devices can be used simultaneously.
.Pp
The device is accessed through the
.Xr ucom 4
driver which makes it behave like a
.Xr tty 4 .
.Sh SEE ALSO
.Xr tty 4 ,
.Xr ubsa 4 ,
.Xr ucom 4 ,
.Xr usb 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Nx 5.0 .
Separate from ubsa driver.