PCB Kit £11.10.PCB Built £14.35. Prices include UK P&P.
SPECTRUM COMMUNICATIONSQuality English products hand-crafted to order |
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CB RADIO BOARDS - 8 February 2024Proprietor;- Antony Nailer HNC BA G4CFY. 12 WEATHERBURY WAY, DORCHESTER, DORSET, DT1 2EF, ENGLAND Tel: UK 01305 262250 International 0044 1305 262250. Email: g4cfy@talktalk.net You can pay by card or to g4cfy@talktalk.net via Paypal, or direct to my bank Santander, Spectrum Communications, sort code 09-01-29, account 67273308. For multiple quantities or multiple items, please email for a quote or for a Paypal money request. You can also obtain many of my products from my Ebay shop https://ebay.co.uk/str/Spectrum-Comms |
| Piptone (Roger Bleep), Kaytone | Frequency mod-demod, FMD455 |
| Spectra bleedover filter, SF10.7 | UK add-on for multimode rigs |
| Noise Squelch | VCO27 block for Cybernet 059 & 121 |
| Improved FM for Cybernet Multimodes, SP059 | VCO48 block for Cybernet 048 |
Bleep Boards
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PT1000S PIPTONE. Roger Bleep. The unit provides 50mV across a 600 ohm microphone. Tone frequency and amplitude are pre-settable. A relay is included for loudspeaker and PTT switching. PCB size 44 x 25 x 17mm.
PCB Kit £11.10.PCB Built £14.35. Prices include UK P&P. |
| KT2000 KAYTONE(a name coined by Spectrum), this unit is the successor to the original Kaytone sold in 1979. End of message Morse K particularly useful for weak signal situations. Adjustable pitch, speed, and level. A relay is included for TX and RX switching making it suitable for all rigs. PCB size 58 x 39 x 15mm.
PCB Kit £17.85 UK. PCB Built £24.60. Prices include UK P&P. |
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FM NS1000 NOISE SQUELCH. A really effective cure for all the annoying background noise produced by FM receivers and the gun shot noise after releasing the microphone key. It allows reception of weak signals without loss of any except those which would have been unreadable anyway.
PCB Kit £18.35 UK. PCB built £24.35 UK. Prices include UK P&P. |
| SF10.7 SPECTRA FILTER. An active filter incorporating a 2 pole crystal filter to replace the 10.7MHz ceramic first IF filter in early CB radios. The effect is to reduce bleed-over by about 90% and by being active does not cause loss of sensitivity of the rig. PCB size 36x20x17mm.
PCB Kit £12.65 UK. PCB built £14.75. Prices include UK P&P. |
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FMD455 FREQUENCY MOD-DEMOD. Adds very good quality FM transmission and reception to AM only CB rigs. Receive side connects to the last IF amplifier before the AM detector. The transmit side connects directly to the microphone input and provides processed audio to the varicap diode in the PLL circuit. PCB size 44x39x16mm.
PCB kit £16.00 UK. PCB built £21.10. Prices include UK P&P. |
| FM IMPROVEMENT PCB SP059.Speech clipper and amplifier to overcome the woolley soft FM on Cybernet PTBM059COX and PTBM121D4X rigs. The board picks up the audio drive to the VCO processes it and then feeds an add-on varicap board. PCB size 40x20x15mm.
PCB kit £13.10 UK. PCB built £15.60 UK. Prices include UK P&P. |
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VCO BLOCKSVCO27 VCO BLOCK. Replacement for green block in Cybernet multimode rigs PTBM059COX and PTBM121D4X, also allows the rig to accommodate extra channels such as UK81 band. Type VCO27 for CB bands, for conversion of rigs to the 10 metre band use VCO28. Built £7.00 each, plus £3.60 P&P UK. plus £10.50 EU, plus £12.85 World. VCO48 VCO BLOCK.Replacement for silver block in Cybernet multimode rigs using PTBM048AOX chassis. Built £10.00, plus £3.60 P&P UK, plus £10.50 EU, plus £12.85 World.
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UK Band add-on boards for multimode rigs
| SC02A SYNTHESIZER CONVERSION. Eprom board for adding UK81 to Cybernet multimode rigs. PCB size 40x30x10mm. It can also be configured to add 40channels below the lowest USA block on Cybernet multimode rigs. To achieve this spread of channels might require a replacement VCO block VCO27. PCB size 40x30x10mm.
SC106 SYNTHESIZER CONVERSION. Adds UK81 to Uniden multimode rigs, Stalker 9, Cobra 148GTL DX, Superstar 360, Madison, Jackson, State rig type when ordering. PCB size 40x30x10mm. PCB kit £13.75 UK. PCB built £16.25 UK. UK P&P £3.10. |
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SC3900 SYNTHESIZER CONVERSION. Adds UK81 to Superstar 3900 and Galaxy Pluto rigs. PCB size 50x40x10mm. SC3900F SYNTHESIZER CONVERSION. Adds UK81 to Galaxy Saturn homebase and relatives with frequency readout. PCB kit £17.25. PCB built £20.75. UK P&P £3.60.
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