LILYGO T-Embed SI4732 combines an ESP32-S3 microcontroller with a DSP multiband radio (AM/FM/SW/LW + SSB), IPS display, and wireless connectivity — a compact programmable receiver for makers and radio enthusiasts.
Tag: Software Defined Radio
Explore Software Defined Radio on DXR Electronics Bits, including handheld Linux SDR transceivers, modular SDR digitizers, HackRF-class wideband receivers, and open-source RF platforms. Learn SDR architecture, I/Q sampling, digital signal processing, and practical applications from HF to microwave bands for amateur radio and spectrum analysis
HydraSDR RFOne: A New Contender in the SDR Market Challenges the Airspy R2
This article explains how the HydraSDR RFOne enters the SDR market as a direct competitor to the Airspy R2, offering similar core performance with a few key differences.
It highlights a wide frequency range (24 MHz–1.8 GHz), 12-bit ADC, and up to 10 MSPS sampling, making it suitable for spectrum analysis and amateur radio use. The main differentiator is its open-source firmware, which allows customization and community-driven development
Exploring the MSI.SDR: A Low-Cost Gateway into Software Defined Radio
Explore MSI-SDR — a budget wideband SDR receiver with 12-bit ADC, up to 8 MHz bandwidth, and multi-band inputs, offering hobbyists a cheap entry into RF spectrum analysis
Video – VWN Vasanth HF net Reception
VWN Vasanth HF net Reception at 7123.4 khz RX Hardware – MSI SDR Dongle Antenna – 66 Feet EFHW The VWN Vasanth HF net operating on 7123.4 kHz represents part of the vibrant amateur radio community in South Asia. This frequency falls within the 40-meter amateur band, which is ideally suited for regional communications across […]
Video – Charminar net at 7080khz
Charminar net at 7080khz RX Hardware – MSI SDR Dongle Antenna – 66 Feet EFHW The Charminar Net operating on 7080 kHz stands as one of the prominent regional amateur radio networks in Southern India, serving operators across Kerala, Tamil Nadu, and Andhra Pradesh from 7:30 to 9:00 AM. Named after the iconic Charminar monument […]
Video – Reception HAMBEL Belgaum HF net in my RSP1 SDR
Belgaum HF net conducted at 7050khz using RSP1 SDR Receiver – MSI.SDR dongle, 66 feet endfeed halfwave antenna Location – Krishnagiri