Davicom FB V1456VQH-X 56K PCI Voice Data Fax Modem Card PnP P/N 91743474

Davicom FB V1456VQH-X 56K PCI Voice Data Fax Modem Card PnP P/N 91743474

The Davicom FB V1456VQH-X is a 56 Kbps PCI internal modem card supporting voice, data, and fax communication over standard telephone lines. It installs into a standard PCI slot and is Plug and Play compatible, making it straightforward to set up in desktop systems. The card carries FCC Part 68 certification and was manufactured in Taiwan to FCC compliance standards for home or office use.

Specifications & What's Included

• Brand: Davicom
• Model: FB V1456VQH-X
• Part Number: 91743474
• FCC ID: H8NTA1-31778-M5-E
• Data rate: 56 Kbps
• Capabilities: Voice, Data, Fax
• Bus interface: PCI
• Plug and Play: Yes
• Connector: RJ-11 telephone port on bracket
• Bracket: Standard full-height PCI bracket, intact
• Additional: Two 3.5mm audio jacks on bracket (for voice/handset)
• FCC compliance: Part 68, Ringer Equivalence 0.63B
• Country of manufacture: Taiwan
• PCB board revision: 80-200V233-0
• Main controller ICs: Multiple Marvell/Atmel M4-5H DSP/DAA chips visible on component side; ISSI memory ICs present
• Included: Card only

Applications

The V1456VQH-X belongs to the V.90 and K56flex era of 56K dial-up modems — hardware that was standard in desktop PCs from the late 1990s through the mid-2000s, when broadband was not yet universal. Cards like this handled dial-up internet access, fax transmission, and PC-based voice communication (answering machine, speakerphone functions) over the public switched telephone network (PSTN). The voice capability meant the card could be paired with modem software to act as a software-based fax/voice system, useful in small offices without dedicated fax hardware. Today, 56K PCI modem cards still see use in legacy industrial and point-of-sale systems that communicate over analog telephone lines, in remote site monitoring equipment, and in facilities that maintain older desktop systems running specialized software requiring a dial-up or PSTN modem interface. They are also sought by collectors and technicians maintaining period-correct vintage PC builds from the late 1990s and early 2000s.