Name: FDC-1 Mk2 more
Manufacturer: Technology Research Ltd
Price: £85.00 interface, £185.00 disk drive
Blurb: Disk operating system in ROM. 100k capacity.
Source: ZX Computing Apr/May 84

Name: FDD 3000 more
Manufacturer: TMX Portugal
Blurb: Add on unit containing alot of stuff ! 2 3" drive slots, built-in PSU, 2 RS232 ports, 64k Ram. Documentation supplied also mentions ULS'a and a Z80, along with built-in OS called TOS (Timex Operating System). Uses Microdrive-type syntax and can also be used to run CP/M. Other versions available from Unipolbrit and Stavi.

Name: FDS Executive more
Manufacturer: Nordic Keyboards UK
Price: £59.95
Blurb: High quality keyboard. Full travel 51 keys with single key input for DELETE, Extended mode, full stop and comma.
Source: Sinclair User Feb 85
Note: Nordic Keyboards were formed when Fuller ceased trading. They took over the Fuller range and extended it. Hense the use of the FDS name.

Name: Feedback Eliminating Device (FED) more
Manufacturer: Brainwaves
Price: £7.50
Blurb: "This is a small switching unit connected between your computer and cassette recorder, which isolates the redundant lead when either saving or loading."
Source: Sinclair User - Feb 83

Name: Ferguson MA20 RGB Interface more
Manufacturer: Ferguson
Blurb: Interface to allow monitors to be attached to your Spectrum. (possibly only the Ferguson MC01TV/Monitor) Picture adjust and sound via tv/mon.
Source: ZX Computing August 85

Name: FIZ Disk Interface more
Manufacturer: Interactive Components Ltd
Blurb: Interface and 5.25" drive. Little is known about this, any help appreciated.
Source: Andy Davis

Name: Flight Deck Joystick more
Manufacturer: EEC Ltd
Price: £9.95
Blurb: At last, a joytisck that needs no interface. Sits on top of the Spectrum over the cursor keys. Opperates all the cursor keys.
Source: Sinclair User May 84

Name: Floyd 40 more
Manufacturer: Floyd
Price: £79.95
Blurb: Printer. 32 or 40 character printing. Inverse. Double width/height. Firmware software.
Source: Your Spectrum issue 11

Name: Force Astro Workstation more
Manufacturer:
Price: £19.95 (£45.00 with optional keyboard)
Blurb: "The new Force Astro workstation is ergonomically designed to accomodate your Spectrum, TV, recorder, PSU, Interface 1 and most other periperals, in a robust, lightweight, attractive self-contained unit." Includes reset switch. Also has space for an optional full travel keyboard.
Source: Personal Computer Games October 84

Name: Forth more
Manufacturer: David Husband
Price: £69.32
Blurb: Forth on ROM cartridge. The cartridge switches out the Spectrum BASIC ROM and replaces it with its own 12k ROM which includes FORTH, Z80 assembler and terminal software. The card also has a RS232 port (via 8251 chip), 24bit parallel (via 8255 chip).
Source: ZX Computing Dec/Jan 84

Name: Fox Programmable Joystick Interface more
Manufacturer: Fox Electronics Ltd
Price: £20.99
Blurb: Total compatibility with all games.
Source: Sinclair User May 84

Name: Fox Upgrade Kit (16-48k) more
Manufacturer: Fox Electronics Ltd
Price: £21.00 (issue 2 machines only)
Blurb: High quality kit at a low price.
Source: Sinclair User Oct 83

Name: Friendly Face more
Manufacturer: Monitor
Price: £12.95
Blurb: Tape transfer cartridge for Microdrive.
Source: Your Spectrum issue 8

Name: Fuller Box more
Manufacturer: Fuller Micro Systems Ltd
Price: £29.95
Blurb: The sound system for the Spectrum. Bult-in audio amp. Based on the G1-AY-3-8912 sound chip. Allows you to program a vast range of sounds for your Spectrum. 3 channels. Includes joystick port. Through ports.
Source: Sinclair User Oct 83

Name: Fuller Box Master Unit more
Manufacturer: Fuller Micro Systems Ltd
Price: £54.95
Blurb: Contains both the Fuller Unit and Orator in the same box.
Source: ZX Computing Aug/Sep 83
Note: Came with the Fuller Box & Orator Demonstration tape.

Name: Fuller Centronics Interface more
Manufacturer: Fuller Micro Systems Ltd
Price: £39.95
Blurb: Standard centronics printer interface.
Source: ZX Computing Aug/Sep 83

Name: Fuller Dual Interface more
Manufacturer: Fuller Micro Systems Ltd
Price: £49.95
Blurb: Centronics and RS232 interface in one unit.
Source: ZX Computing Aug/Sep 83

Name: Fuller FD42 Keyboard more
Manufacturer: Fuller Micro Systems Ltd
Price: £29.95
Blurb: 42 key full travel keyboard. No soldering required.
Source: Sinclair User Oct 83

Name: Fuller FDS Desktop System more
Manufacturer: Fuller Micro Systems Ltd
Price: £39.95
Blurb: Elegant system designed for professional use. Includes full travel keyboard based on the FD42.
Source: Sinclair User Oct 83

Name: Fuller Orator - Speech Synthesis more
Manufacturer: Fuller Micro Systems Ltd
Price: £39.95
Blurb: Uses allophone system to produce speech. Based on the G1-SP0256 AL voice chip.
Source: Sinclair User Oct 83

Name: Fuller RS232 Interface more
Manufacturer: Fuller Micro Systems Ltd
Price: £34.95
Blurb: Rom based software.
Source: ZX Computing Aug/Sep 83

Name: Fuller Soundstick more
Manufacturer: Fuller Micro Systems Ltd
Price: £19.95
Blurb: Sound amplifier and standard joystick interface.
Source: Sinclair User Dec 84
Note: When Fuller went into receivership and were bought out by Nordic, this product was continued and advertised as the Nordic Soundstick. (SU Jan 85)