3 mile FM Voice Transmitter Project PLAN BY EMAIL  

  Price: $6.99
Subminiature crystal clear, hear a pin drop!! Excellent for home security, monitoring of invalids or children near open water and other hazards. Become the neighborhood disk jockey or go "under cover" using any FM radio. Battery Operated 3 to 18 Volts Tuneable From 80 to 130 MHZ Small Size Easy To Assemble Electronic Science Project FMV1 - Plans