- Active Electric Field Probe with Biconical Elements
- 9 kHz – 300 MHz
- 12 µV/m – 65 V/m
- const. antenna factor typ. 46 dB/m high symmetry
- built in rechargeable battery
- The switchable preamplifier improves the antenna factor to 20 dB/m.
Loop - Active
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Schwarzbeck EFS 9218 Active Antenna
The EFS 9218 was designed because of the growing demand for a small, light weight receiving antenna to cover the frequency range below 300 MHz.
Because of the fact that dipole length is very short compared to wavelength, symmetry has to be extremely high. So optimum symmetry was the main goal of this development.
Above 300 MHz small Log.-Per.-Antennas with high gain and symmetry are a good choice.
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