Bau Biologie
Consultants' favorite meter seems to be the GigaHertz Solutions HF59B. Frequency range of down to 27 MHz within the basic device - suitable for the connection of an optionally available antenna the scope of delivery includes a compensated antenna for 700 MHz up to 2.7 or 3.3 GHz). Common accessories are
- Ultra broadband antenna for RF-Analysers UBB27_G3 - an omnidirectional antenna that has frequency range: 27 MHz to beyond 3.3 GHz
- High-pass filter HP700
SOscium WiPry 5X - connects to Android, etc.(~$500)
Siglent SSA3032X (~$2600)