HP External USB Modem

Data modem: receive rates up to 56 Kbps, transmit rates up to 48 Kbps (V.92 mode) or up to 33.6 Kbps (V.90 mode)
Fax modem: send and receive rates up to 14.4 Kbps
Operating power: from +3.3V PCI or +3.3V Vaux with +5V tolerant digital inputs