4 Band Double Tuned Preselector
Audio Line Driver
E
ECM Mic Preamplifier
Electronic Canary
Electromagnetic Field Detector
Electronic Siren
EMF Probe with Meter
Enhanced Alarm Keypad
Electronic Metronome
Infra Red remote control extender
Infra Red Remote Control Extender
Mark 2 Version
Music and Special Effects
Sound Effects Generator
F
Field Strength Meter
FM Receiver using MPF102
FM Transmitter
Frost Alarm
Function Generator
Fuse Blown Indicator
Audio Notch Filter
Simple Field Strength Meter
2 Transistor FM Transmitter
G
Gate Alarm
Gyrator Circuit
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