Courses

RAHRF101 is a quick start to the basic RF topic and the prerequisite for Rahsoft RF Certificate What you'll learn: This is a very basic fundamentals of RF, The main purpose of this course is to simply without providing any formulas or engineering skills provide the basic knowledge and topics needed in the RF field. At the end of this course you would have a general idea of Radio Frequency and related topics and components used day to day on this topic. This course briefly explains the topics without getting deep into each discussion just to have the student get a general idea. The student can then choose to go toward the RF Certificate provided by Rahsoft which in there we would be going deep into the topics by providing hand on design and examples from the industry. At the end of the certificate the student would have a complete knowledge of RF as well as some actual simulations such as Power Amplified Design to add to his resume. Again this would be for a person who would be taking all 15 courses which starts with this course as the first one. Rahsoft RFCertificate Program Available courses are as below: List of courses Available toward RFCertificate RF Fundamentals, Basic Concepts Components RAHRF101 Modulation and Digital Communications in RF RAHRF152 RF Design Theory and Principles RAHRF201 Advance Design System (ADS) Basics and Applications RAHRF209-L Receiver, Transmitter and Transceiver Architectures RAHRF409 Low Noise Amplifier (LNA) Design Fundamentals RAHRF526 Low Noise Amplifier (LNA) Design lab using ADS RAHRF526-L Power Amplifier (PA) Design Fundamentals RAHRF562 Power Amplifier (PA) Design lab using ADS RAHRF562-L Welcome to the firstcourse of the RF certificate series. In this topic we are going to explain the basic concepts of RF design in a simplest way possible. The audiencefor the RF basic course are electrical engineers, technicians, sales engineers and other employees of an RF-related company who want to have general idea of RF basic concepts.At the end of this course you will have a general knowledge of the fundamental topics discussed in RF industry. This is a great crash course for people who have interviews and need to a refresher on the RF topic within a few hours and go from zero knowledge to having a general understandingof most topics. One of the most important things for us to have the most updated materials needed in the industry. Ahsan Ghoncheh, ourCo-Founder and Technical Adviser, consultswith different RF engineers atBroadcomm, Qualcomm, Apple and Skyworks on building practical curriculum and topics that are needed and in demand in the industry. So insteadof going the academic approach, we are going to an industry approach. I want to thank you for choosing Rahsoft and trusting us.Pleasefeel free to contact us.We are truly excited and gratefulto be going with you on this journeyto becomingan RF expert. If you have any further questions, do not hesitate to contact us. Instructor: Ata Sarrafi Advisor: Ahsan Ghoncheh quizzes and coding exercises) below. Section1:An introduction to Rahsoft and the instructor Lecture1:Intro Rahsoft Ad(Preview enabled) Lecture2: Introduction(Preview enabled) Section2:FrequencyStarting from the scratch Lecture3:What is Radio Frequency ?(Preview enabled) Quiz1:T01_L01_P01 Lecture4:Application VS Frequency(Preview enabled) Quiz2:T01_L01_P02 Section3:Noise Lecture5:Noise 1 Quiz3:T01_L02_P01 Lecture6:Signal to Noise Ratio Quiz4:T01_L02_P02 Section4:V-I-F-Z Lecture7:V-I-F-Z(Preview enabled) Quiz5:T01_L03_P01 Section5:Power Lecture8:Power Quiz6:T01_L03_P02 Section6:Transceiver , Transmitter, Receiver Lecture9:RF module, transmitter, receiver(Preview enabled) Lecture10:RF Transceiver Quiz7:T01_L04_P01 Section7:Antenna Lecture11:Antenna 1(Preview enabled) Quiz8:T01_L05_P01 Lecture12:Antenna 2 Quiz9:T01_L05_P02 Section8:Filters Lecture13:RF Filter 1 Quiz10:T01_L06_P01 Lecture14:Filter Types Quiz11:T01_L06_P02 Section9:Components Lecture15:Active vs Passive Components(Preview enabled) Quiz12:T01_L07_P01 Section10:Low Noise Amplifies Lecture16:Low Noise Amplifer (LNA)(Preview enabled) Quiz13:T01_L08_P01 Section11:Mixer Lecture17:Mixer Quiz14:T01_L09_P01 Section12:VCO and Oscillators Lecture18:VCO and oscillators Quiz15:T01_L10_P01 Section13:Phase Lock Loop Lecture19:PLL 1(Preview enabled) Quiz16:T01_L11_P01 Lecture20:PLL 2 Quiz17:T01_L11_P02 Section14:Power Amplifier Lecture21:Power Amplifer (PA)(Preview enabled) Quiz18:T01_L12_P01 Section15:Modulation Lecture22:Modulation (Analog) Quiz19:T01_L13_P01 Lecture23:Modulation (Digital) Quiz20:T01_L13_P02 Section16:Linearity Lecture24:Linearity Quiz21:T01_L14_P01 Section17:Phasor Lecture25:Phasor Lecture26:Phasor Quiz22:T01_L15_P01 Section18:Matching Lecture27:Matching Quiz23:T01_L16_P01 Lecture28:Matching Quiz24:T01_L16_P02 Section19:Attenuator Lecture29:Attenuator Quiz25:T01_L17_P01 Section20:S-parameter Lecture30:S-param Quiz26:T01_L18_P01 Section21:Smith-Chart Lecture31:Smith-Chart Quiz27:T01_L19_P01 Section22:Software Lecture32:Software Lecture33:Software Quiz28:T01_L20_P01 Section23:Measuremet Devices Lecture34:Measurement Devices Lecture35:Measurement Devices Quiz29:T01_L21_P01 Section1:IntroductionAn introduction to Rahsoft and the instructor

Learn the foundational concepts of radio waves as the underlying medium for Wi-Fi networks in this introductory video from the CCNA (200-301) certification training series. Gain essential knowledge about radio frequency fundamentals that serve as a crucial building block for understanding wireless networking technologies and principles.

Explore the world of Internet of Things (IoT) radio frequency (RF) analysis using Software Defined Radio in this comprehensive 43-minute conference talk from GrrCon 2016. Dive into modulation types, key radio receiver components, and the concept of Software Defined Radio. Learn about common frequency use examples and how to set up your environment on both Windows and Linux systems. Discover calibration techniques, prebuilt tools, and transmitting with Virtualwire. Gain insights into data formats, signal identification, and advanced analysis using Gnu Radio Companion. Conclude with valuable lessons learned, equipping you with essential knowledge for IoT RF analysis.

Learn the basics of WiFi, Radios, Radio Frequency and a range of other Wireless technologies. What you'll learn: Wired vs Wireless Networking ComparisonData Modulation: Ones and ZeroesMajor Types of Antennas & how they functionRF Signal Propagation: Signal to Noise Ratio (SNR)RF Channels: What are they & how do we use them?MIMO and Co-Channel Interference Welcome!I'm really happy to announce that I've partnered with Aruba Education Services to bring you this free network security basics course. Learn the basics of ethical hacking and network security with Aruba. Description:In Aruba Mobility Basics, you will learn how Radio Frequency (RF) works! You will compare the differences between a wired and a wireless network, identify WLAN organizations that set Wi-Fi standards and the basics of radio communication. This course introduces you to what goes into setting up a wireless network and how wireless functions at a basic level without requiring any technical experience. Typical candidates for this course are individuals who are new to networking and want to learn the basics of wireless networking. Topics:The course is an introduction to Wireless Networking and covers topics such as:-WiFi standards- Radio Frequency (RF)- WiFi planning concetps- MIMO- RF channels-RFinterference PrerequisitesThere are no prerequisite, this course is foundational. Who helped me create this free course:Aruba Education Services offers comprehensive training from fundamental to advanced levels across Aruba’s wired, wireless, security, and cloud-managed networking portfolio. Start learning Aruba to sharpen your networking skills with leading Edge technologies. Get the training & certifications you need to make your resume stand out with Aruba Education Services! This course covers a lot of basic network security technologies and there is more inside for you to learn.All the best!David

Explore the often overlooked realm of wireless security in this 37-minute conference talk from Security BSides London. Delve into the world of Radio Frequency (RF) hacking, moving beyond traditional WiFi and Bluetooth attacks. Discover the broader concept of wireless communication and the expanded toolkit available to security professionals. Learn about Software-Defined Radios (SDRs), replay attacks, rule jamming, repeater attacks, two-way communication vulnerabilities, and the principles of jamming. Understand the importance of RF security and its implications for biohacking. Gain valuable insights into protecting against invisible threats in our increasingly wireless world.

Explore the journey of an analog engineer diving into RF circuits in this 29-minute Hackaday conference talk. Discover how Chris Gammell transitioned from low-level analog measurement to high-frequency techniques, bridging the gap between basic low-level measurement principles and advanced RF concepts. Gain insights into Maxwell's equations and their practical applications in various circuit types. Learn about RF calculations relevant to cellular, WiFi, Bluetooth, and other common communication methods. Delve into topics such as frequency domain analysis, RF path considerations, impedance matching, Smith charts, S parameters, SWR, VNA antennas, antenna design, cables, inductors, PCB construction, capacitors, ground cuts, and the importance of return paths. Acquire valuable knowledge for working with Bluetooth and cellular technologies, and receive recommendations for further reading to enhance your RF expertise.

Explore the dangers of rogue radio frequencies and learn tactics, techniques, and tools for identifying and locating potential threats in this 50-minute RSA Conference talk. Gain insights into the major ways rogue wireless frequencies can impact organizations, develop a basic understanding of locating rogue wireless signals, and acquire conversational knowledge of wireless signal identification and tracking methods. Discover real-life examples of common RF attacks, including user impersonation, wireless phishing, and device tracking. Delve into wireless attacks beyond WiFi, such as gate and door opening exploits and jamming attacks. Learn about radio frequency measurement, wave propagation, and penetration. Understand the differences between triangulation and trilateration for tracking down rogue access points. Acquire knowledge on wireless protections and how to find suitable solutions for your company. This talk is suitable for those with a basic understanding of security principles, wireless communication, and computer networks.

Explore the development of the EM RF-Edge Interactions Mini-app "Stix" using MFEM in this 21-minute conference talk from the MFEM Workshop 2022. Dive into the importance of ion cyclotron radio frequency (ICRF) power in fusion devices and the challenges posed by radio frequency (RF) sheath formation. Learn about the implementation of a model for RF sheath based on a finite impedance sheath boundary condition, formulated by J. Myra and D. A. D'Ippolito. Discover the progress in developing Stix, a parallelized cold-plasma wave equation solver that implements non-linear sheath impedance boundary conditions using the MFEM library. Gain insights into RF sheath rectification, experimental results, and simulation techniques in pseudo-1D and pseudo-2D scenarios.

Dive into the world of Software Defined Radio (SDR) and learn how to reverse engineer wireless systems in this comprehensive workshop from 44CON 2017. Explore digital radio fundamentals and RF communication basics before delving into a practical reverse engineering workflow applicable to IoT wireless systems. Follow along as the presenters demonstrate live packet recovery and injection techniques for devices with proprietary modulations. Gain hands-on experience with SDR hardware and software tools, and leave equipped with the knowledge to examine and deconstruct proprietary wireless protocols. Includes access to GNU Radio flowgraph templates and shell scripts for further experimentation and development.

This course builds on the previous course: IoT Devices. After we have built and programmed a small self-driving vehicle, now it's time get into more advanced territory and enhance the device's connectivity further. To do so you will study radio frequency (RF) communication, the MAC layer, Mesh Networking as well as distributed algorithms for use with geographic locations. These techniques will be applied to your device in the lab, which is composed of four steps, one in each week of the course. In Week 1, after going over some orientation for the course, you will focus on radio frequency (RF) communication, how it fits in with the larger scope of electromagnetism, how RF signals propagate in physical environments, how RF signals can be used to encode data, and how all this information is useful in constructing resilient and high-bandwidth IoT communication substrates.

Generalized Software Defined Radio (SDR) Introduction, Real time communication with SDRs, Signal processing in GNU Radio What you'll learn: Developing SDR ApplicationsReal-time Wireless Communication with SDRGNU Radio for Wireless Signal ProcessingSolutions to Wireless Channel Impairements SDR is a reality around us. It is present in a lot of systems everywhere and is a versatile technology which can be used for many things, not only academics and industrial, but also ethical hacking etc. This course will comprehensively cover developing software defined radio (SDR) communications systems using the GNU Radio signal processing and development environment. The course is structured so that concepts and theory can be instantly translated to practice with hands-on implementations. We use two hardware SDRplatforms: Universal Software Radio Peripheral (USRP) as transmitter and RTL-SDR as a receiver. However, the course is designed in such a way that even if you do not have USRP, you can use any other cheap SDR as transmitter easily with slight changes in gnuradio. As far as RTL-SDR is concerned, you can easily acquire this device for $19 only.At the end of this course you will be able to make a data-communication link using SDRs.This comprehensive course is comprised of following sections to cover all the important aspects of 'Software Defined Radio' environment:Section 1: IntroductionSection 2: Communication fundamentals related to SDRSection 3: Block Diagram of SDRHardware ExplainedSection 4: GNURadio for Wireless CommunicationSection 5: Combating the Impairments of The Wireless ChannelSection 6: Packet Transmission using GNU Radio

Explore the fundamentals of radio frequency technology in this 43-minute conference talk from DEF CON 33's RF Village. Begin with the basic principles of radio and electromagnetic waves, then progress through essential components including antennas and filters. Delve into advanced concepts such as Shannon and Nyquist theories as they apply to modulation techniques, channel capacity calculations, and software-defined radio (SDR) architecture. Learn how electromagnetic signals function and understand the critical components that make up RF communication links from transmission to reception.

Explore the world of radio frequency (RF) for red team operations in this 51-minute conference talk from BSides Tampa 2020. Gain insights into RF techniques and tools used by penetration testers and security professionals to assess and exploit wireless vulnerabilities. Learn about various RF technologies, their applications in red team engagements, and potential countermeasures to enhance organizational security posture.

Dive into the world of radio hacking with this informative conference talk from 44CON 2017. Learn how to apply Software Defined Radio (SDR) to reverse engineer wireless systems, with a focus on digital radio fundamentals. Gain insights from experts Marc Newlin and Matt Knight as they demystify SDR and demonstrate that advanced technical knowledge is not necessary to exploit Internet of Things radios. Explore a crash course in digital signal processing and RF communication, followed by a practical reverse engineering workflow applicable to various wireless systems. Discover techniques for recovering and injecting packets into devices with proprietary modulations. Perfect for security researchers and enthusiasts looking to expand their skillset in the rapidly growing field of wireless protocol hacking.

Explore the world of radio frequency hacking in this Derbycon 2012 conference talk focusing on the Atlas RfCat and subghz technologies. Dive into the intricacies of RF communication, learn about the capabilities of the Atlas RfCat tool, and discover techniques for manipulating subghz signals. Gain insights into potential security vulnerabilities and countermeasures in wireless systems operating below 1 GHz. Whether you're a cybersecurity professional, hardware hacker, or RF enthusiast, this presentation offers valuable knowledge on exploiting and securing low-frequency wireless communications.

Explore the world of wireless communication using affordable 433MHz radio transmitter and receiver modules in this 29-minute tutorial. Discover how to send data between Arduinos, creating wireless puzzle prop "beacons" for triggering remote effects or integrating with control systems. Learn about aerials, proper wiring techniques, and how to implement transmitter and receiver code using the VirtualWire library. Follow along with hands-on testing and gain practical insights for incorporating RF communication modules into your Arduino projects, perfect for enhancing interactive experiences and remote control applications.

Explore RF Spectral Convergence implementation using GNURadio and Ettus USRPs in this conference talk from GNU Radio Conference 2021. Dive into the challenges of implementing joint radar-communications systems in hardware due to computational complexity and algorithmic nuances. Learn about the successful implementation of an RF convergence system, including GNURadio design, custom blocks, and over-the-air experimental results. Gain insights into the validation process of the algorithm's functionality and discover how this implementation serves as a powerful research tool for conducting RF convergence experiments. Presented by experts Yukang Fu, Jacob Holtom, Alex R. Chiriyath, and Dan W. Bliss, this talk offers valuable knowledge for those interested in telecommunications and advanced radio frequency applications.

Explore cutting-edge developments in radio frequency (RF) and wireless technologies during this 16-minute panel session from the UbiComp/ISWC 2023 conference. Gain insights from leading experts as they discuss the latest advancements, challenges, and future directions in RF and wireless systems for ubiquitous computing and wearable technologies. Discover how these innovations are shaping the landscape of interconnected devices and smart environments.

​RF System Design for Wireless systems​ RAHRF409 Radio Frequency Transceiver System Design Course Rahsoft RF Certificate What you'll learn: A system level understanding of Transceiversyou would have a complete understanding of different blocks of Transmitter, Receiver and Transceiverwould have a deep understanding on what is needed in order to design , characterize and analyze a Transmitter, Receiver or a Transceiver.Transceiver RF budget concepts RAHRF409is a completeReceiver, Transmitter and Transceiver Architecture Designcourse which discussed different blocks in designingReceiver, Transmitter and Transceiverand the characteristics of each design and different approaches. Various examples are provided in the course. At the end of the course the student would have a deep understanding of the topic and is able to view , understand and analyse Transceiver blocks. Please note this course has pre-Requisite of RAHRF101 and RAHRF201. We recommend students take those two previous courses before starting this course. This course is counted as a core course in Rahsoft RFCertificate.

Explore the fundamentals of wireless radio frequency (RF) technology in this 22-minute video lecture. Delve into key issues, types, and problems associated with RF communications. Gain insights into various methods used in wireless systems and understand the importance of spectrum management. Learn about the challenges faced in RF communications and discover how they are addressed in modern wireless networks. Ideal for students, professionals, and enthusiasts looking to expand their knowledge of wireless technology and its applications in today's interconnected world.