Urban Radio Signal Triangulation
I need a freelancer to help locate the source of radio signal interference in an urban environment. Requirements: - Use triangulation techniques to pinpoint int...
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Diseño de PCB en KiCad (Carrier Board RPi 3B+, Audio/RF Isolation, DFM JLCPCB)
Buscamos un ingeniero electrónico o diseñador de hardware senior para diseñar la "BumbiPTT Interface": una placa base custom en KiCad que aloja una Raspberry Pi...
Read moreMulti-layer PCB Design for Radio
I'm seeking an experienced PCB designer to create a multi-layer PCB for a consumer electronics radio device. The PCB will need to interface with microcontroller...
Read moreGPS Receiver Design and Development
I'm looking for a skilled engineer to design and develop a GPS receiver primarily for navigation purposes.and transmit and receive the signal over rf antenna Ke...
Read moreAzuraCast Top the Hour professional transitions from songs to station ids (urgent fix)
I’m running AzuraCast with AutoDJ/Liquidsoap and the “look-ahead” feature I had built to handle top-of-hour breaks has stopped behaving. Right now the system ne...
Read moreRiparazione problema audio su Cuffie silent disco
Ho bisogno di assistenza per riparare un circuito stampato (PCB) di una cuffia silent disco. Il problema principale del PCB è che non si sente da un lato l'audi...
Read moreAirport ibwave DAS Design (4G)
I am rolling out a dedicated 4G Distributed Antenna System/In-Building Solution for an international airport and need a seasoned iBwave specialist to turn our r...
Read moreWireless Water Level Control System Expert
We are an electrical automation company based in India and already have an existing automatic water level controller with motor protection. The current product...
Read moreFrequency Recording and Demodulation
I need someone to come to my house in Brixton, London, to record all radio frequencies from 200MHz and demodulate them. Requirements: - Bring your own recording...
Read moreHybrid AI Drone Detection System -- 4
I’m building a hybrid artificial-intelligence pipeline that can spot low-flying drones by fusing two independent sensing channels: computer-vision video feeds a...
Read moreSignal Processing Specialist for Radio Image Signals
I'm seeking an electrical engineer with expertise in signal processing, specifically in filtering and noise reduction. The project involves working with image s...
Read moreFM Radio Broadcast Antenna Installation
I'm seeking an experienced professional engineer to create drawing of a broadcast antenna for FM radio on a tower between 366 feet high. Key Requirements: - Exp...
Read moreHigh-Power End-to-End Solution
I'm designing and deploying a high‑power, private, end‑to‑end 5G (or advanced RF) mobile network that operates under lawful spectrum authority — in Saudi Arabia...
Read moreFM Transmitter Wattage Upgrade
I need assistance in changing my FM frequency to a stronger wattage for increased range. I'm currently using a commercial FM transmitter with less than 100 watt...
Read more200 kHz OOK RF Link Design - PRICE will very as per Deliverables can be from your side.
I need a matched transmitter-receiver pair built around a 200 kHz carrier that can cover at least 40 m in open air and recognise simple OOK (On-Off Keying) puls...
Read moreSmall-Scale Public Wi-Fi Setup
I’m putting in a modest public Wi-Fi service—think 200 Hectars Farm size—and I need an engineer who can own the end-to-end network setup. The target load is no...
Read moreBind EP2 Nano on FPV Drone to Radiomaster pocket Tx
I’m flying a freestyle FPV build that carries an EP2 Nano receiver, yet I still can’t get it to talk to my Radiomaster Pocket running EdgeTX. I’ve tried the usu...
Read moreLF Loop Antenna Design & Build
I need a small, single-turn loop antenna engineered and taken all the way through to a working physical prototype. The target band is low frequency (LF), and th...
Read moreCoffee Maker PCB Reprogramming
I need an experienced PCB programmer to reprogram a multi-layer PCB for a coffee maker. The board is used for a coffee maker. Required Skills and Experience: -...
Read moreDetect Unwanted Radio Signals
I'm seeking an expert to identify and prove the frequency band and source of an unwarranted radio signal in my home. I suspect it might be coming from a radio t...
Read moreRadio-Controlled Mower Door Circuit -- 2
I'm looking for an experienced electrical engineer to design a sensor-based circuit for a swinging mower door. The door will be part of a fence system and shoul...
Read moreTunable UWB LNA Design in ADS
I need a full ADS design flow that faithfully recreates the ultra-wideband LNA shown in the PDF I have attached. The goal is to end up with a working, voltage-c...
Read moreRadio-Controlled Mower Door Circuit
I'm looking for an experienced electrical engineer to design a sensor-based circuit for a swinging mower door. The door will be part of a fence system and shoul...
Read moreTechnical Copywriter for RF/EW/SIGINT
We are looking for a copywriter with an understanding of Electronic Warfare (EW), RF systems, and/or SIGINT. The freelancer will be writing 1–2 LinkedIn posts a...
Read morePR&E Impulse Installation
I need an experienced technician to install a PR&E Impulse 12 channel board in a radio station studio, primarily for live broadcasting. Ideal skills and experie...
Read moreSmart Key Range Booster Build
This is a two-device RF relay system that extends the communication range between a car key and the car. I am looking for only UK developers
Read moreNTR08 LoRa Transceiver Module Driver (STM32)
We need a clean, STM32-friendly driver for the NTR08 Series LoRa Transceiver Module (SX1262 based) and a small demo that shows two modules can talk. Everything...
Read moreRadio Frequency Engineering Expert
I’m refining a hardware-software product whose success hinges on solid radio-frequency performance, and I need a seasoned RF engineer to guide that part of the...
Read moreFM Transmitter Installation Support
I’m launching a new FM station and need a technician who can install and configure the transmitter so we’re on-air within the next month. The hardware is on sit...
Read moreAntenna Cable VNA Testing: US-based or Mexico-based Consultant ONLY
US-BASED or MEXICO-BASED CONSULTANT ONLY We need a US-based consultant to test antenna cables in a Vector Network Analyzer. Each unit must be swept across its o...
Read moreDual 20 dB Microstrip Coupler high directivity
I need a compact dual-directional microstrip coupler (6 ports in total) laid out on 0.6 mm FR-4 that will let me read forward and reverse power from 30 MHz righ...
Read moreVertical Multiband HF Antenna Simulation and Analysis with Report - 12/09/2025 05:11 EDT
HF Multiband Vertical Antenna Simulation with Capacitive Hat, need analysis simulation files, 3D model and report of simulation. Description: Looking for a free...
Read moreRF/EMC Test Engineer - Hardware Analysis
RF/EMC Test Engineer What You'll Do Analyze and test the electromagnetic waves and frequencies emitted by electronic devices to ensure they work properly and do...
Read moreRadioKing Setup and Operation Guidance
I am seeking an expert familiar with RadioKing to assist me in transforming my radio station services. I need guidance on setting up the radio station, specific...
Read moreAir Time Pro Setup for Radio Station
I'm looking for an expert in Air Time Pro to help set up smart blocks and rotations for my Christian radio station. Requirements: - Station ID and promo ads int...
Read moreMESH Network System for Rover Telemetry + Live Video – Hardware and Firmware
I need to design a long-range RF communication system that can support the following items. This is for rovers that will be in fields monitoring crops. - Mesh n...
Read moreRF Jamming Drone Defense System
I'm seeking an experienced engineer to develop a short-range radio frequency jamming system designed to counter drones. The system should be effective within a...
Read moreproyek bisnis -- 2
membuat produk baru atau meningkatkan produk yang sudah ada, memasuki pasar baru atau meningkatkan pangka pasar yang sudah ada, mengoptimalkan proses bisnis unt...
Read moreproyek bisnis
membuat produk baru atau meningkatkan produk yang sudah ada, memasuki pasar baru atau meningkatkan pangka pasar yang sudah ada, mengoptimalkan proses bisnis unt...
Read moreRF & FPGA Engineer for SDR Prototype
I'm seeking an electronic engineer with expertise in RF and FPGA, as well as experience in Software Defined Radio, to develop a proof of concept prototype for a...
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