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SG-7 Speedy radar kit

SG-7 Speedy radar kit  


Price: £69.95 (Including VAT)
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SG-7 Speedy radar kit
DDF-1 Doppler Direction Finder Kit

DDF-1 Doppler Direction Finder Kit  


Price: £154.95 (Including VAT)
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DDF-1 Doppler Direction Finder Kit
TFM-3C Tri-Field meter kit electrical magnetic and RF detector

TFM-3C Tri-Field meter kit electrical magnetic and RF detector  


Price: £71.95 (Including VAT)
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TFM-3C Tri-Field meter kit electrical magnetic and RF detector
UAM-2 20W audio amplifier module kit

UAM-2 20W audio amplifier module kit  


Price: £39.95 (Including VAT)
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UAM-2 20W audio amplifier module kit
AA-7C Ramsey Active Antenna Kit with matching case & knob set

AA-7C Ramsey Active Antenna Kit with matching case & knob set  


Price: £49.95 (Including VAT)
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* Dual Pre-amp * HF or VHF/UHF * Telescopic whip * Automatic aerial bypass * Supply: 9V PP3 (Batt. not included) * Case & knob set supplied
A complete active aerial that has design features you will not find even on expensive assembled varieties. RF gain control and two independent amplifiers. Dual-gate MOSFET with exceptional low noise and 2SC2570 microwave device for the best performance on VHF and above. Supplied with matching case & knob set
ABM-1-KIT Ramsey Passive Airband Monitor Kit

ABM-1-KIT Ramsey Passive Airband Monitor Kit  


Price: £90.95 (Including VAT)
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* Frequency range 118-136MHz * Type: passive AM detector * Sensitivity <2µV for detectable audio * Audio output 700mW (8-24 Ohms) * External antenna: headphone cord coupled * Supply 9V DC battery (not supplied) * Size 63.5 x 116.8 x 228.6mm * Weight 114g (with battery) * Supplied with case & earbud headphones
This kit once built allows you to monitor the entire aircraft band without tuning. This is done by using a passive design which means that it does not have any local oscillators, thus it can be used on aircraft without generating any interference to the pilot etc.. Its great for airshows, just listen to the air traffic, even to unknown frequencies. Multiple aircraft signals can be heard simultaneously with the strongest one the loudest which invariably will be the closest one to you. All without any tuning or looking up frequencies. The receiver is in a compact case complete with a belt clip. Just plug in the provided earbuds or your favourite pair of headhones into the receiver. A squelch control is also included to mute background noise and interference. Reviewed in 'Monitoring Times' November 2006 issue and 'Radio User' May 2007.
AR-1C Ramsey AM VHF Airband Receiver Kit with matching case & knob set

AR-1C Ramsey AM VHF Airband Receiver Kit with matching case & knob set  


Price: £49.95 (Including VAT)
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* Frequency: 110 ~ 135MHz AM * Supply: 9V PP3 ( Batt. not included)
Tune into the exciting world of aviation. Listen to the airliners, business jets and private aircraft as they cross the skies above you. You’ll be able to hear aircraft up to 100 miles away at times. The AR-1 features smooth varactor tuning of the entire civil airband. Circuit is based on the superhet with AGC and squelch included.
Supplied with matching case & knob kit.
AR-2(R) Ramsey synthesized aircraft receiver kit 117.975 to 137.000mhz 25khz steps

AR-2(R) Ramsey synthesized aircraft receiver kit 117.975 to 137.000mhz 25khz steps  


Price: £194.95 (Including VAT)
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MM-5C  Ramsey Music Machine 28 different pre-programmed tunes with matching case & knob set

MM-5C Ramsey Music Machine 28 different pre-programmed tunes with matching case & knob set  


Price: £27.95 (Including VAT)
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Music machine 28 different pre-programmed tunes supplied with matching case & knob set
PR-2 Broadband RF pre-amplifier ready built 1-1000MHz BNC 50 Ohms c/w mains PSU up to 23dB gain

PR-2 Broadband RF pre-amplifier ready built 1-1000MHz BNC 50 Ohms c/w mains PSU up to 23dB gain  


Price: £58.95 (Including VAT)
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CW-7C Ramsey Electronic Keyer Kit

CW-7C Ramsey Electronic Keyer Kit  


Price: £36.95 (Including VAT)
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* 5 - 50 WPM * Sidetone monitor * 1mA on receive, 15mA when keyed * 9V PP3 (Batt. not included) * Case & knob set (CWC): Supplied
This kit makes is a great project for novices or experienced contructors alike. It can be used with any of the modern solid state transceivers. Speeds are adjustable from 5 to 50 WPM from the front panel with an internal coarse speed control. All you need is to add a paddle key. The unit will happily drive a small speaker and a stereo socket is provided for the paddle.
RFS-1 Ramsey Radio Frequency switch using 1 - 100W

RFS-1 Ramsey Radio Frequency switch using 1 - 100W  


Price: £22.95 (Including VAT)
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Radio Frequency switch using 1 - 100W
DN-1C Ramsey Dr. Ni-Cad Conditioner Charger/discharger Kit

DN-1C Ramsey Dr. Ni-Cad Conditioner Charger/discharger Kit  


Price: £49.95 (Including VAT)
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* Charges Ni-Cads and NiMH cells * Current capacities up to 10AH * Supply: 12 - 15V DC @ 1.5A * Case & knob set: Supplied
Rejuvenate and condition your Ni-Cads. Unique discharge before charge circuitry eliminates ‘memory effect’. Quick charge switches to ‘top-off’ automatically at optimum point in charge cycle. Switch-mode regulator controls constant current charge while being monitored by a negative delta-V system that cuts off the fast charge at the exact point of full charge.
SC-1C Ramsey Shortwave Converter Kit

SC-1C Ramsey Shortwave Converter Kit  


Price: £29.95 (Including VAT)
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With the converter and an AM radio, receive up to two 1MHz wide SW bands. Case & knob set supplied
ECG-1C Ramsey Electrocardiograph Kit with case & knob kit

ECG-1C Ramsey Electrocardiograph Kit with case & knob kit  


Price: £44.95 (Including VAT)
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* Visible & Audible display * Re-usable 3 sensors * Bright LED "Beat" indicator * Monitor output for oscilloscope * 9V Battery Operation * Kit supplied with case & knob set.
Three sensor EGC monitor kit. Safe to use runs on 9V DC. Output available for oscillosope showing traditional style ECG/EKG waveforms.
Note: This is not a medical device, it is intended for hobbyist usage only!
SOFTNC BayPac Portable Packet (formerly SOFT-NC7)

SOFTNC BayPac Portable Packet (formerly SOFT-NC7)  


Price: £66.95 (Including VAT)
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BayPac Portable Packet with J-COM SofTNC software
Formerly SOFT-NC7)
FR-1C Ramsey FM Broadcast Receiver Kit with matching case & knob set

FR-1C Ramsey FM Broadcast Receiver Kit with matching case & knob set  


Price: £36.95 (Including VAT)
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* Frequency: 88 - 108MHz * Supply: 9V PP3 Batt. (Not supplied)
The FR-1 is ideal for the novice. It builds into a high performance FM broadcast receiver that is ideal for bedside or study use. Supplied with matching case & knob set
FR-10C Ramsey 10m FM Receiver Kit with matching case & knob set

FR-10C Ramsey 10m FM Receiver Kit with matching case & knob set  


Price: £44.95 (Including VAT)
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* Frequency: 28 - 29.5MHz * Supply: 9V PP3 (Batt. not included) * PCB size: 100 x 120mm * Supplied with matching case & knob set
This radio covers the 10m amateur band but can easily be extended to cover the CB band. Features double conversion with ceramic IF filter, squelch and AFC for stability. Features latest Motorola chip.
TC-K Ramsey Software/interface for Kenwood radios

TC-K Ramsey Software/interface for Kenwood radios  


Price: £53.95 (Including VAT)
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Software/interface for Kenwood radios and computers
FR-146C Ramsey 2m FM Receiver Kit with matching case & knob set

FR-146C Ramsey 2m FM Receiver Kit with matching case & knob set  


Price: £49.95 (Including VAT)
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* Frequency: 144 - 146MHz * Supply: 9V PP3 (Batt. not included) * PCB size: 100 x 120mm
This radio covers the 2m amateur band but can easily be extended to cover the marine band. Features double conversion with ceramic IF filter, squelch and AFC for stability. Features latest Motorola chip.
Kit contains matching case & knob set.
TC-Y1 Ramsey Software/interface for Yaesu radios

TC-Y1 Ramsey Software/interface for Yaesu radios  


Price: £53.95 (Including VAT)
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Software/interface for Yaesu radios and computers
FR-6C Ramsey 6m FM Receiver Kit

FR-6C Ramsey 6m FM Receiver Kit  


Price: £44.95 (Including VAT)
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* Frequency: 50-52MHz * Supply: 9V PP3 (Batt. not included) * PCB size: 100 x 120mm * Case & knob set (CFR): Supplied
This radio covers part of the 6m amateur band. Features double conversion with ceramic IF filter, squelch and AFC for stability. Features latest Motorola chip.
TV-6C Ramsey VHF TV Transmitter Ch. 2-6 (USA) with matching case

TV-6C Ramsey VHF TV Transmitter Ch. 2-6 (USA) with matching case  


Price: £40.95 (Including VAT)
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* Transmits on Channel 2-6 * Broadcast your VCR throughout your house * Runs on 12V DC
This great little kit allows you to send any audio and video source (i.e. VCR or TV camera) to any TV set up to up to 300ft. Tunable to American TV channel 2 - 6. Includes case. (Will not work on UK TV channels).
Export Only. Not legal in the UK
FT-146C Ramsey 2m Transmitter Kit

FT-146C Ramsey 2m Transmitter Kit  


Price: £92.95 (Including VAT)
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* Frequency: 140 - 150MHz * Crystal: 145.55 (S22) * Power: 4 - 6W * Supply: 12 - 14V DV @ 1A * PCB size: 100 x 120mm * Case & knob set (CFT): Supplied
The transmitter produces 4 to 6W and is ideal for repeaters, remote base, packet and fox hunts etc. It has good low-pass filtering and as usual the manual is very comprehensive and all components, circuit board and heatsink are included. The only test equipment needed is a simple multi-meter. Tuning tool is included in the kit.
HR-20C Ramsey 20m Direct Conversion Receiver Kit with matching case & knob set

HR-20C Ramsey 20m Direct Conversion Receiver Kit with matching case & knob set  


Price: £40.95 (Including VAT)
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* Model: 20m * NE-602 IC * Output: 8 Ohms headphones * Supply: 9V DC PP3 Batt.
These single band radios use direct conversion with varicap tuning and have amazing sensitivity. They offer reception of SSB, CW and AM and are ideal as part of a QRP station. Supplied with matching case & knob set.
HR-40C Ramsey 40m Direct Conversion Receiver Kit with matching case & knob set

HR-40C Ramsey 40m Direct Conversion Receiver Kit with matching case & knob set  


Price: £40.95 (Including VAT)
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* Model: 40m * NE-602 IC * Output: 8 Ohms headphones * Supply: 9V DC PP3 (batt. not included)
These single band radios use direct conversion with varicap tuning and have amazing sensitivity. They offer reception of SSB, CW and AM and are ideal as part of a QRP station. Kit contains matching case & knob set.
LB-56C Ramsey Light Beam  Receiver/Transceiver Kit with matching case & knob set

LB-56C Ramsey Light Beam Receiver/Transceiver Kit with matching case & knob set  


Price: £31.95 (Including VAT)
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* Modulated infrared beam * 10m range * Supply: 9 - 12V DC
The LB-56C is ideal for secure communications using infrared. It easily transmits through windows and the 10m range can be extended by using a simple lens. The transmitter can use any type of microphone, and the receiver will drive any loudspeaker or earphone. Supplied with matching case & knob set.
LPA-1C Ramsey Linear Power Amplifier Kit with case & knob set

LPA-1C Ramsey Linear Power Amplifier Kit with case & knob set  


Price: £53.95 (Including VAT)
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* Frequency: 100kHz - 1GHz * Output: 1W * Supply: 12 - 15V DC @ 250mA * Supplied with case & knob set
QAMP-20C Ramsey 20m 20W Power Amplifier Kit

QAMP-20C Ramsey 20m 20W Power Amplifier Kit  


Price: £44.95 (Including VAT)
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* Model: 20m * Drive: 0.5 - 2W * Output power: 0.5 - 20W * Modes: CW, SSB & AM * Built-in T/R relay
* Supply: 12V DC @ 2 - 4A * Case & knob set (C-QAMP): Supplid
This mono band amplifier for 20m is ultra linear and suitable for SSB/AM or CW. and uses power MOSFETS for 20W output. Ideal for increasing QRP transmitter power or incorporating into home-built projects.
QAMP-30C Ramsey 30m 20W Power Amplifier Kit

QAMP-30C Ramsey 30m 20W Power Amplifier Kit  


Price: £44.95 (Including VAT)
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* Model: 30m * Drive: 0.5 - 2W * Output power: 0.5 - 20W * Modes: CW, SSB & AM * Built-in T/R relay
* Supply: 12V DC @ 2 - 4A * Case & knob set (C-QAMP): Supplied
This mono band amplifier for 30m is ultra linear and suitable for SSB/AM or CW. and uses power MOSFETS for 20W output. Ideal for increasing QRP transmitter power or incorporating into home-built projects.
QAMP-40C Ramsey 40m 20W Power Amplifier Kit

QAMP-40C Ramsey 40m 20W Power Amplifier Kit  


Price: £44.95 (Including VAT)
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* Model: 40m * Drive: 0.5 - 2W * Output power: 0.5 - 20W * Modes: CW, SSB & AM * Built-in T/R relay
* Supply: 12V DC @ 2 - 4A * Case & knob set (C-QAMP): Supplied
This mono band amplifier for 40m is ultra linear and suitable for SSB/AM or CW. and uses power MOSFETS for 20W output. Ideal for increasing QRP transmitter power or incorporating into home-built projects.
QRP-20C Ramsey 20m 1W QRP CW Transmitter Kit including VXO with case & knob set

QRP-20C Ramsey 20m 1W QRP CW Transmitter Kit including VXO with case & knob set  


Price: £44.95 (Including VAT)
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* Model: 20m * Output power: 1W * Mode: CW * Xtal VXO * Diode T-R switch * Supply: 12V DC @ 2 - 4A * Provided with case & knob set
Low power operation on the ham bands is great fun and these kits offer a complete variable xtal controlled transmitter delivering 1W output. VXO provides 7kHz shift and there’s even a diode T-R switch included! Xtal is centred on 14.060MHz.
QRP-40C Ramsey 40m 1W QRP CW Transmitter Kit including VXO with case & knob set

QRP-40C Ramsey 40m 1W QRP CW Transmitter Kit including VXO with case & knob set  


Price: £44.95 (Including VAT)
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* Model: 40m * Output power: 1W * Mode: CW * Xtal VXO * Diode T-R switch * Supply: 12V DC @ 2 - 4A * Supplied with Case & knob set
Low power operation on the ham bands is great fun and these kits offer a complete variable xtal controlled transmitter delivering 1W output. VXO provides 7kHz shift and there’s even a diode T-R switch included! Xtal is centred on 7.040MHz.
RF-1 Ramsey RF Detector Probe Kit

RF-1 Ramsey RF Detector Probe Kit  


Price: £25.95 (Including VAT)
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* Frequency: 100kHz - 1GHz * Max. Input: 100mW (2.23V) into 50 Ohms * Ready built
This handy little device will let you check low level RF voltages using any digital voltage multimeter (DVM). Ideal for signal tracing and low level fault finding in transceivers etc. Frequency range is flat from 100kHz to 1GHz. Uses microwave ‘lo-barrier’ detector diodes that let you detect microwave levels! 1mW input produces 100mV DC output to meter. Comes completely assembled with hook test probe and banana plugs for multimeter.
SA-7 Ramsey Broadband RF Pre-amp Kit

SA-7 Ramsey Broadband RF Pre-amp Kit  


Price: £22.95 (Including VAT)
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* Frequency: 100kHz - 1.3GHz * Gain: 20dB * Noise: < 4dB * Impedance: 50 - 75 Ohms * Supply: 12 - 15V DC @ 15mA * Size: 25 x 10 x 38mm
The SA-7 broadband RF preamplifier is great for perking up old frequency counters, scanners, TVs and old short-wave receivers. Its 2-stage feedback design ensures stable operation throughout the spectrum.
SM-100 Ramsey Magnetic Noise Reduction Antenna Kit (no PSU)

SM-100 Ramsey Magnetic Noise Reduction Antenna Kit (no PSU)  


Price: £84.95 (Including VAT)
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* Frequency: 500kHz - 15MHz * Varactor tuned active antenna * Supply: 12V AC ext. adaptor
The SM-100 Signal Magnetic Noise Reduction Antenna pulls weak signal out of the noise. The antenna responds only to the magnetic field of the desired station and ignores the electrostatic field where most interference is found. Designed expressly for the AM medium wave band, but can be built for any frequency range from 500kHz to 15MHz. Optional Case no longer available).
SR-2C Ramsey Shortwave Receiver Kit

SR-2C Ramsey Shortwave Receiver Kit  


Price: £44.95 (Including VAT)
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* Frequency: 2MHz bandwidth (4 to 11MHz) * AGC and RF gain control * Supply: 9V PP3 (Batt. not included) * Case & knob set (CFR): Supplied
The SR-2C is an ideal shortwave receiver kit for beginners. Extremely sensitive front end with AGC and RF gain control. Varactor diode tuning allows you to tune any 2MHz portion of the 4 to 11MHz frequency range. Requires an external antenna, speaker and 9V battery.
SS-70C Ramsey Speech Scrambler Kit

SS-70C Ramsey Speech Scrambler Kit  


Price: £40.95 (Including VAT)
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* Scrambler * Descrambler * Operates with AM, SSB or FM tcvrs * Supply: 9V PP3 (Batt. not included) * PCB size: 118 x 110mm * Case & knob set (CSSD): Supplied
This kit is designed to invert the audio speech pattern so that it is rendered unintelligible to the casual listener. It also contains the circuitry to descramble incoming inverted speech. It achieves this by using SSB techniques at audio frequencies. The unit may be used with AM, SSB or FM transceivers. Two units together can provide a complete scrambled system. There is sufficient audio output to drive a small speaker.
Note: Cannot be legally used in the UK.
TD-1 Tone encoder/decoder kit 40-5000Hz

TD-1 Tone encoder/decoder kit 40-5000Hz  


Price: £13.95 (Including VAT)
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TD-1 Tone encoder/decoder kit 40-5000Hz
TG-2C  Ramsey Touch Tone Grabber Kit

TG-2C Ramsey Touch Tone Grabber Kit  


Price: £66.95 (Including VAT)
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* 8 x 8-digit LEDs with auto insertion of dashes between groups * Flash memory * Stores up to 640 digit numbers for 10 years * Built-in RJ-11 phone jack * Supply: 7 - 15V DC * Case (CTG): Supplied
The TG-2 will decode and store any DTMF tone it hears. A simple hook-up to any radio speaker or phone line is all that is required, and it will decode digits at virtually any speed!

The bright 8-digit LED display lets you scroll through the stored numbers at your leisure. To make it easy to pick out numbers or codes, a dash is inserted between any group or set of numbers that were decoded more than 3 seconds apart. Added features from its TG1 predecessor include an onboard RJ11 phone jack for easier phone line interfacing and an output latch jack offering an external trigger source when a user specified number (1 to 60 digits!) matches the monitored input! The TG2 runs on any 8 to 15 volt DC power source and is both regulated and crystal controlled for the ultimate in stability. Includes the matching professional case set shown, measuring 5”W x 1½”H x 5¼”D.
TS-1  Ramsey Electronic Touch Switch Kit

TS-1 Ramsey Electronic Touch Switch Kit  


Price: £13.95 (Including VAT)
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* Two Independent Touch Circuits * Drives loads up to 100mA * Great for light switches, radios, keyers * Power 6 - 12V DC * PCB size 58 x 42mm
The TS-1 Touch Switch uses low power CMOS circuitry and functions on the principle of hum and noise pick-up when the input is touched. There are two independant Touch circuits. To activate touch the input and the electronic switch will operate. To switch it off, touch the input again. Or use it so that it operates only as long as it is touched. The touch contact may be a door knob, small coin, or small piece of veroboard. The TS-1 will drive loads up to 100mA such as relay, bell or siren etc. For switching greater loads an external relay is recommended. It can also be configured to operate as a Morse code keyer, information included in the instructions.
TT-1C Ramsey Telephone Call Recorder Kit with matching case & knob set

TT-1C Ramsey Telephone Call Recorder Kit with matching case & knob set  


Price: £31.95 (Including VAT)
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You cannot connect this up to the public telephone system in the UK but there will be applications for which this unit can be used. The circuit uses the voltage fed down the telephone line to power it. When a call is made or received it automatically switches on your tape recorder. Both sides of the call are recorded. The audio lead is supplied but you will need to supply the appropriate telephone cable and plug. It’s simple, effective and instructional. Supplied with matching case & knob set
TT-7 Ramsey Touch Tone Decoder Kit

TT-7 Ramsey Touch Tone Decoder Kit  


Price: £27.95 (Including VAT)
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* DTMF Touch Tones * Supply: 5V DC * Drives 20mA load * Size: 38 x 22 x 57mm
The TT-7 decodes any single DTMF digit 0 through to 9, *, #, plus A,B,C,D. The unit can be connected directly across a speaker or detector output on any receiver. When the decoder detects the selected digit, it provides a closure to ground, ideal for driving a relay, lamp, sounder or any other such load up to 20mA.
VS-1(RA) Ramsey Voice Activated Switch Kit

VS-1(RA) Ramsey Voice Activated Switch Kit  


Price: £13.95 (Including VAT)
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The VS-1 is ideal where voice controlled switching is required. Simply connect up to a microphone or wire across the microphone socket of your transceiver for instant voice control. Designed for operation from 9V but can operate from 6 to 12V DC.