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PX-306

Name: PX-306
Brand: Brainboxes

Brainboxes

£295

We have not confirmed this price since it was first recorded. Check before buying.

5 Port RS232 and 1 Port LPT Data transfer rates up to 921,600 128 byte TX and RX FIFO Drivers only for Linux PCI Express Card providing five RS232 serial ports and one LPT port (5 industry standard 9 pin D RS232 ports via a quad cable and 1 x 9 Pin D on a fly lead plus a 25 pin D LPT port on a flylead). Brainboxes own BB16C958 UART provides data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Drivers for Linux.

Brainboxes's own words, read from their page.

Buy from BRAINBOXES LIMITEDOut of stock. Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.

UK company
Registered at Companies House as BRAINBOXES LIMITED, number 03245094. Checked 2026-08-29.
Means the business is a British legal entity, not a British-sounding name owned elsewhere. It says nothing about where anything is made.
UK operations
Not yet checked.
Means people employed here, or premises they actually work from. We keep this separate from the company badge because a registered office can be an accountant's spare room, and a company can be registered in Britain while everything it does happens somewhere else. Where we have not looked, we say so rather than assuming.
British-owned
No majority shareholding traced outside the UK. Companies House.
Read from the register of people with significant control, following the chain of holding companies. It does not gate anything: a firm can be made here and owned elsewhere, and that is worth telling you rather than hiding.
Where it is made
The maker doesn't say, so neither do we.
This is about the individual product, not the company. A British firm can sell things made abroad, which is normal and not a criticism. We would rather tell you which is which than average them into a score.

PX-306

Where this comes from

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