| When working with radio-frequency (RF) signals, it can be useful to have a simple method for incrementally adjusting signal levels. Check ou...
More in RF (Radio) (115)
| Paired with an effective directional antenna, a high-performance, two-stage antenna amplifier designed for the VHF FM broadcast band can hel...
| Many radio enthusiasts employ two types of receivers, one portable and one fixed. This DSP radio is versatile, functioning as either type th...
| RTL-SDR Blog sticks have been around for a while. They can receive HF signals up to 1,000 MHz or higher. The RTL-SDR Blog V4 is the fourth g...
| There are plenty of low-cost SDR receivers on the market, but the KrakenSDR is special: It is a multichannel phase-coherent receiver. It inc...
| The SDRplay RSPdx is a 14-bit single-tuner SDR receiver with continuous coverage from 1 kHz up to 2 GHz. Three input connectors, an ample ar...
| Reliably detecting human presence is not easy. The HLK-LD2410 sensor uses 24 GHz frequency-modulated continuous wave (FMCW) radar technology...
| Do you need to measure the antenna current of your HF transmitter? Or, like I do, the primary current of your Tesla coil? These projects req...
| This project combines a handful of readily available modules with Arduino software to create an Internet radio that also serves as an alarm...
| When I first held the HackRF One in my hand, I knew almost nothing about it, except that it is an SDR receiver and transmitter up to 6 GHz a...