Name: Ultraface more
Manufacturer: HSC
Year: 1985
Type: Add-on

Name: Unicom Modem more
Manufacturer: Unicom
Year: 1985
Type: Telecom/Network
Price: £49.95
Blurb: Auto baud rate sensing, Auto dial and redial. Full and half duplex. Baud rates 300/300, 1200/1200, 1200/75, 75/1200.

Name: Unisonic Amplifer/Radio more
Manufacturer: Buttercraft Software
Year: 1983
Type: Sound/Speech
Price: £4.99
Blurb: Sound amplifier that doubles as a mini radio.

Name: University Analogue Port more
Manufacturer: University Computers
Year: 1983
Type: Add-on
Price: £49.00
Blurb: 24 channel control, 8 channels digital voltage input, 8 channels digital voltage output, 8 channels anologue voltage input.

Name: Untitled Interface Device more
Manufacturer: Jiles Electronics
Year: 1983
Type: Add-on
Price: £7.95

Name: Upstream MIDI Interface more
Manufacturer: Upstream Computer Systems Ltd
Year: 1984
Type: Music
Price: £179.00 (inc software)
Blurb: MIDI interface with trigger output, MIDI in,out & through. Software is six track 3500 note real time or step sequencer.

Name: USP-232D more
Manufacturer: U-Microcomputers Ltd
Year: 1983
Type: Telecom/Network
Price: £34.50
Blurb: Dual channel serial RS232 interface card using the powerful Z80DART chip. Baud rate of 75 - 9600.
Note: Came with the USP-232D tape.

Name: USP-ADAP more
Manufacturer: U-Microcomputers Ltd
Year: 1983
Type: Add-on
Price: £6.90
Blurb: Back to back adaptor needed when you buy your first card.
Read the feature

Name: USP-BBP3 more
Manufacturer: U-Microcomputers Ltd
Year: 1983
Type: Add-on
Price: £35.65
Blurb: Buffered, 3 slot back plane for other USP boards.

Name: USP-BPE4 more
Manufacturer: U-Microcomputers Ltd
Year: 1983
Type: Add-on
Price: £25.30
Blurb: 4 slot back plane extension.

Name: USP-CENT more
Manufacturer: U-Microcomputers Ltd
Year: 1983
Type: Printing
Price: £3.45
Blurb: Kit for use with the USP-CENT for centronics compatible printers.

Name: USP-I/O more
Manufacturer: U-Microcomputers Ltd
Year: 1983
Type: Add-on
Price: £29.90
Blurb: General purpose parallel interface using the Z80PIO chip. 2 8bit input or output ports.

Name: USP-PROT more
Manufacturer: U-Microcomputers Ltd
Year: 1983
Type: Add-on
Price: £13.80
Blurb: Prototyping card used to design your own circuits.