iMONITOR
Silent Key
KrakenSDR
A phase-coherent software defined radio with five RTL-SDRs
[source]

Features & Specifications
A phase-coherent software defined radio with five RTL-SDRs
[source]

Features & Specifications
- Five-channel coherent-capable RTL-SDR
- Built-in coherence synchronization hardware
- Automatic coherence synchronization via provided Linux software
- 24 MHz to 1766 MHz tuning Range (standard R820T2 RTL-SDR range)
- 4.5 V bias tee on each port
- Core DSP software is open source and is designed to run on a Raspberry Pi 4 (see links below)
- Direction finding Android software (free for non-commercial use)
- Custom antennas set and programmable test beacon also available