ubsa —
USB support for Belkin serial adapters
ubsa* at uhub?
ucom* at ubsa?
The ubsa driver supports the following adapters:
  - Belkin F5U103
-  
- Belkin F5U120
-  
- e-Tek Labs Kwik232
-  
- GoHubs GoCOM232
-  
- Option N.V. Mobile Connect 3G datacard
-  
- Option N.V. GlobeTrotter Fusion Quad Lite UMTS/GPRS
-  
- Option N.V. GlobeTrotter Fusion Quad Lite 3D
-  
- Peracom single port serial adapter
-  
 
The ubsa driver provides support for the USB-to-RS-232
  Bridge chip used by a variety of serial adapters from Belkin and other
  vendors. The bridge is also embedded into several UMTS/GPRS cards.
The device is accessed through the
    ucom(4) driver which makes it
    behave like a tty(4).
The ubsa driver first appeared in
  FreeBSD 5.0 and was ported to NetBSD
  2.0.