SDR

Dual-Band Broadband Wireless Self-Organizing Network Station

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Dual-Band Broadband Wireless Self-Organizing Network Station

The dual-band broadband self-organizing network station is based on a general SDR platform (divided into non-domestic and domestic) that employs COFDM, diversity reception, MIMO, dynamic TDMA, intelligent routing, and intelligent anti-jamming technologies. The operating frequencies are 500~680MHz and 1300~1500MHz. (Utilizing a single baseband board, not two radios combined together) It innovatively adopts unique and excellent … Read more

DIY Guide: Build Your Own Wireless Penetration Testing Box

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DIY Guide: Build Your Own Wireless Penetration Testing Box

The tools and techniques introduced in this article have a certain level of aggressiveness. Please use them responsibly and legally. Do you want to have your own mobile wireless penetration testing box? If you are interested, the devices introduced below will be very helpful. This box is called the “MiTM (Man-in-the-Middle) WiFi Box”. Using this … Read more

Software Defined Radio (SDR) – Gateway Design for Industrial IoT

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Software Defined Radio (SDR) - Gateway Design for Industrial IoT

Software Defined Radio hardware and open-source programming software provide an alternative to proprietary wireless communication systems, helping to enhance the interoperability of Industrial Internet of Things networks. Despite much discussion about how the Industrial Internet of Things (IIoT) will transform factory automation, there is no unified technology to connect various ‘things,’ leading to incompatibility between … Read more

Is It Difficult to Control a Walkie-Talkie Remotely Using Raspberry Pi?

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Is It Difficult to Control a Walkie-Talkie Remotely Using Raspberry Pi?

Al Williams (Call sign: WD5GNR) wrote about Hambone on Hackaday, which acts as a computer interface for the walkie-talkie by listening to DTMF commands and can activate the walkie-talkie’s PTT button to play audio via the Raspberry Pi’s GPIO. Controlling a Walkie-Talkie with Raspberry Pi By: Al Williams Today’s amateur radio equipment often has remote … Read more

Choosing the Right SDR Radio: 8-bit, 12-bit, 16-bit, 18-bit, or 24-bit?

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Choosing the Right SDR Radio: 8-bit, 12-bit, 16-bit, 18-bit, or 24-bit?

How much is worth spending?Written by: Onno VK6FLAB This week, I finally decided to buy my first software-defined radio with transmission capabilities. For me, this was not an easy choice, as I had to choose from products ranging from low prices to “beyond my budget,” and there are countless options among these choices. Aside from … Read more

How Difficult is it to DIY a Multi-Band Vertical Antenna? Test Video Reveals the Answer

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How Difficult is it to DIY a Multi-Band Vertical Antenna? Test Video Reveals the Answer

DIY a multi-band vertical portable antenna, click the video to learn more↓↓↓ 【Ham DIY】Spent less than 10 yuan to create a second-hand car intercom system, giving new life to abandoned intercoms 【Ham DIY】How to build a V dipole antenna to receive meteorological satellite cloud images 【Ham DIY】Refrigerator ground network and butter cookie box signal booster, … Read more

DIY Guide to Building an SDR Receiver from 46MHz to 6GHz Using ADALM-PLUTO

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DIY Guide to Building an SDR Receiver from 46MHz to 6GHz Using ADALM-PLUTO

ADALM PLUTO Frequency Extension and CPU Core Modification “Here, we look at the ADALM-PLUTO frequency extension modification to allow our receiving frequency to range from 70 MHz to 6GHz. I actually managed to bring it down to 46MHz!” Ham Radio Topic: You can build an SDR receiver station and balcony antenna setup from scratch for … Read more

Creating a PLUTO FM Radio with Simulink and MATLAB App Designer

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Creating a PLUTO FM Radio with Simulink and MATLAB App Designer

On February 20th (the ninth day of the Lunar New Year) at midnight, the fifth issue of Funpack has ended, and the review process is nearing completion. Congratulations to those who passed the review! Of course, the most concerning question is when will the refunds be issued? This week, we will gradually release projects from … Read more

Signal Modulation Recognition Based on Deep Learning CNN with MATLAB Code

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Signal Modulation Recognition Based on Deep Learning CNN with MATLAB Code

✅Author Introduction: A Matlab simulation developer passionate about research, improving both mindset and technology. For code acquisition, paper reproduction, and research simulation collaboration, feel free to contact. 🍎Personal Homepage: Matlab Research Studio 🍊Personal Motto: Seek knowledge through investigation. For more complete Matlab codes and simulation customization, click below 👇 Intelligent Optimization Algorithms Neural Network Prediction … Read more

Using an Old TV Box Instead of Raspberry Pi to Install OpenWebRX

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Using an Old TV Box Instead of Raspberry Pi to Install OpenWebRX

Previously, I used a TV box to install HT software, connecting to the Winno VR-N7500 via Bluetooth to achieve large screen maps, APRS gateways, repeaters, network remote control, and more. The Raspberry Pi is a great idea, with good community support, but as generations have upgraded, the price of Raspberry Pi has risen sharply. If … Read more