Best Oscilloscopes for RF / Radio
RF and radio hobbyists need bandwidth to spare. Whether you're designing filters, measuring antenna resonance, or debugging SDR setups, these scopes offer the bandwidth, sample rate, and FFT capabilities required for RF work in the 100MHz–500MHz range.
Rigol
DHO924S
250 MHz
1.25 GSa/s
4ch
50 Mpts
Siglent
SDS2104X Plus
100 MHz
2 GSa/s
4ch
200 Mpts
Siglent
SDS1202X-E
200 MHz
1 GSa/s
2ch
14 Mpts
Siglent
SDS1204X-E
200 MHz
1 GSa/s
4ch
14 Mpts
Can't decide?
Compare these scopes side-by-side on specs, price, and features.
Compare These Scopes Side-by-SideWhat to Look For
Bandwidth to spare
For RF work, choose a scope with 2-5x your highest signal frequency. Measuring a 100 MHz signal accurately requires at least 200 MHz bandwidth.
FFT analysis
Built-in FFT spectrum analysis is essential for RF work — measuring antenna resonance, filter performance, and identifying interference sources.
High sample rate
RF signals require sample rates of at least 1 GS/s (ideally 2-5 GS/s) to accurately reconstruct high-frequency waveforms without aliasing.