Hardware

Hardware attaches either directly to the com(4) / pccom(4) driver:

    com0 at pcmcia0 function 0 "Novatel Wireless, Merlin UMTS Modem, NRM6831" port 0x3f8/8: ns16550a, 16 byte fifo
    com1 at pcmcia0 function 1 "Novatel Wireless, Merlin UMTS Modem, NRM6831" port 0x2f8/8: ns16550a, 16 byte fifo

or

     com0 at pcmcia0 function 0 "GPRS Modem, , " port 0x3f8/16: st16650, 16 byte fifo

or through a usb hub, uhub(4), that is present on the device and behind which the serial controller, ucom(4), sits:

    ubsa0: Vodafone Vodafone Mobile Connect Card - 3G, rev 2.00/0.00, addr 2
    ucom0 at ubsa0