/tag-en/mhz

Title Short description
1.5 V FM bug v2 A little fm bug on 1.5 V, of a bit better construction.
Antenna BIG-J for 145 MHz (2m) Big J antenna, gains of J antennas and a few more pieces of information.
Antenna J for 440 MHz (70cm) J antenna, very simple, for 440 MHz (70cm).
Antenna for 7 to 30 MHz Antenna for 7 to 30 MHz.
FM bug v2 FM bug.
Frequency meter Frequency meter using PC.
Linear power amplifier for 433 MHz Linear power amplifier for 433 MHz with two transistors.
Small bug on 1.5V battery Stable and very small transmitter, 500 hours with AA battery.
Spy bug in a pen Small and narrowed FM transmitter at 12V.
Stronger bug Stronger bug and simple to build.
Transmitter and receiver for data on 433 MHz Schematics of a transmitter and a receiver for data communication (suitable for alarms) on 433 MHz.

Page:

site friends

sponsored links

ads