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What is 802.11?

802.11 is part of the standards for wireless computer networking and is part of the set of IEEE 802 local area network protocols. Generally 802.11 standards are responsible for media access control (MAC) and physical layer protocols that are commonly used in most home and office networks. These protocols allow for communication between devices such as computers, printers and more.

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Labidi A.

5.0

6.4

100%

Manouba, Tunisia

$25 USD per hour

I am an Expert Network and security Engineer and I am working as University tutor. I have large experience for more than 14 years in various network technologies. I have Cisco CCNA (Routing & Switching), Cyber Security and DevOps certifications. I have very good knowledge in Virtualisation techniques My specialties: - Design/implement medium and large scale enterprise networks. - Configure routers, Firewalls ([ASA 5505, 5515, 5525,5585, Firepower NGFW], Fortigate, PFSENE - Routing protocols (RIP, OSPF, EIGRP) - Configuration and troubleshooting - Switching (VLANs, STP, VTP). - VPNs Configuration (IPSEC, OPENVPN,b etc ). - windows servers and Client - Network Monitoring and troubleshooting I'm also experienced on Web and Software developer with Python C, C++JS, Html5 and WordPress

802.11 C Programming Python Copywriting Translation

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Alpeshbhai Vinodrai M.

5.0

2.3

100%

AHMEDABAD, India

$24 USD per hour

● 10+ years of experience in electronic product architectures design and development in the embedded and FPGA hardware domain ● Hands-on experience in all phases of product development from prototyping to mass production ● Hands-on experience in Schematic and high-speed PCB layout board design ● Hands-on experience in power consumption analysis and optimization ● Involved in schematic design and review ● High-speed PCB layout with multilayer PCB design, Blind & Buried Vias in HDI Design. ● Expertise in analog and digital mix signaling layout design ● Expertise in hardware testing and troubleshooting/root cause techniques ● Working experience on power supply design, Buck/boost, Battery management, and charging, cell balancing, fuel-gauge/ battery monitoring, and LED driver design, USB c, and PD controller, wireless charger etc ● Expertise in design and simulation of analog circuits ● Experience in Microprocessor and microcontrollers like NXP, ST, Microchip, Marwell, Qualcomm, MediaTek, TI, Renesas, Atmel, OmniVision, On semi, like (Application processor, Media Processor), and Microcontroller based design ● Exposure in mechanical design review as per product specs ● Expertise in wireless SOC with Bluetooth , WIFI, 4G, Lora, Zigbee from NXP, Nordic, Ublox, Qualcomm, Cypress , sierra wireless, Broadcomm, TI, ESP, Silabs, Microchip, etc. ● Experience in wire interface with USB2.0/3.0, HSIC, SPI, I2C, UART, HDMI, Ethernet, SDIO, MIPI DSI/CSI, camera interface, display interface, CAN, Modbus, RS232, RS485, and Power line communication and etc ● Expertise in solving problems of EMI/EMC board design and product and filter design ● Experience in EMI / EMC compliance testing and product certification ● Ability to learn new concepts & technology within a short span of time

802.11 Microcontroller PCB Layout Digital Design Circuit Design

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Julian A.

5.0

7.4

97%

Mar del Plata, Argentina

$65 USD per hour

As a proactive electronic engineer with ten years of experience in the industry, I offer complete solutions to bring your ideas to life. Working alongside a team of engineers and industrial designers, we can guide you through the design process from the initial concept to the final product. Our extensive experience in working with PCB manufacturers, component suppliers, and PCBA services ensures a smooth process and high-quality results. Our communication style is professional, yet casual, ensuring a positive working experience for all parties involved. With a focus on precision engineering and attention to detail, we are committed to delivering solutions that meet your requirements. While my Ph.D. and position as a professor at the Mar del Plata National University are important components of my expertise, our focus is on providing complete solutions for your electronic design needs. Let us help you engineer success. Analog/Digital electronics design PCB layout (IPC related) Firmware development for ESP32, STM32, PIC, Atmel, Silabs. nRF RTOS, FreeRTOS, Zephyr Low, Medium and high-level programming: Python, C, C++, ASM, Matlab, Arduino Signal conditioning and processing, analog and digital filtering Fuzzy logic & machine learning 3D modeling and printing Product design

802.11 C Programming Python Engineering Electronics

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Gajendra R.

5.0

100%

Ahmedabad, India

$20 USD per hour

Description: 👨‍💻 IT Professional with 15+ Years of Expertise in Systems Administration, Cloud, and Security I am a seasoned Windows & Linux Administrator with extensive experience in managing servers, cloud platforms, and secure IT infrastructures. Over the past 14 years, I’ve successfully delivered projects involving virtualization, security hardening, and enterprise-grade system deployments. My focus is on creating secure, optimized, and scalable environments tailored to business needs. 🌐 Systems Administration 🛠️ Skilled in Windows Server (2022/2019/2016) and Linux administration. 📂 Experienced in Active Directory, NPS, NAS, DFS file sharing, and printer management. 🔧 Strong background in Dell server hardware, storage setup, and maintenance. 🔒 Security & Authentication 🛡️ Security assessments with Nessus and Qualys. 🔑 Implementation of certificate-based authentication and Radius servers. 🔒 Designed RDP with MFA solutions to secure remote access. 🚨 Hands-on experience with DNS/DNSSEC and Cloudflare for domain security. ☁️ Cloud & Virtualization 🌩️ Proficient in AWS, Azure, Google Cloud, and Office 365 administration. 💻 Expertise in Proxmox, VirtualBox, and Hyper-V clusters. 📦 Designed and deployed multi-VM Hyper-V clusters on Hetzner and OVH cloud, including 📡 Monitoring & Optimization 📊 Proficient in IPMonitor, PRTG, and Nagios Core for proactive system monitoring. 🖥️ Implemented alerting and dashboards to maximize uptime and performance. 🤝 Collaboration & Service Desk 📋 Experienced with Jira Service Desk for IT support management. 💬 Microsoft Teams administration for seamless organizational collaboration. 🔧 Troubleshooting Expertise 🛠️ Known for resolving complex IT issues quickly and effectively. 🔍 Strong skills in diagnosing root causes of outages and performance issues. Compliance : SOC 2, ISO 27001 and other 🌟 Recent Project Highlight: Hyper-V on Hetzner & OVH Cloud I recently completed a deployment of a Hyper-V cluster hosted across Hetzner and OVH cloud platforms. The project involved: 🔐 pfSense firewall for network segmentation. 🏢 Windows Domain Controller setup with Active Directory. 🌍 Hosting web servers for client-facing apps. 📂 DFS file sharing with replication. 💾 Veeam backup and disaster recovery plan. 🔑 RDP with MFA to secure remote access. This end-to-end solution delivered security, redundancy, and scalability, ensuring high availability for business-critical services. 💡 Why Work With Me? I deliver IT solutions that are: 🔒 Secure – with MFA, firewalls, and proactive vulnerability management. 🚀 Scalable – built on modern cloud and virtualization technologies. 📈 Reliable – with backups, monitoring, and performance tuning in place. Whether you need system administration, virtualization, cloud setup, or IT security hardening, I provide enterprise-grade solutions with a proven track record of success. 🚀 Let’s build a secure and resilient IT environment for your business.

802.11 ASP Python .NET Internet Marketing

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Hasan R.

5.0

4.1

83%

Dublin, United States

$75 USD per hour

## BIO Hello, I have two decades of experience in the IT & computing industry.I have expertise ranging from Web applications to embedded devices design, and development. I am an expert in C/C++ with solid understanding of Linux Kernel internals, and the networking TCP/IP stack. I've written many device drivers and ported several drivers back & forth to various Linux Kernel versions. I have also worked on Real Time Systems simulation using Matlab and Simulink. ## Area of Expertise **Areas of Expertise:** - Embedded Systems -- OpenWRT, board bring up, Board Support Packages (BSPs) -- GNU/Linux Device Drviers -- WiFi 802.11 ac/ax **Software Tools:** - Micorosoft Visual Studio Code - GNU/Linux GCC - Eclipse **Programming Language:** - C99/C++17 - Python - Go - Active Server Pages (ASP.NET) - PHP **Databases:** -Oracle -MS SQL -My SQL

802.11 Perl C Programming JavaScript XML

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Muhammad Mutahir Jamal Q.

5.0

2.2

100%

Lahore, Pakistan

$30 USD per hour

Hi, I am Jamal and I have been doing Embedded Systems (Hardware and Software) development for the last 7 years, I have completed 350+ projects related to almost all electronics categories i.e. IOT, Power electronics, Highspeed, RF, HDI, etc. covering both Hardware and Software. My main areas of focus are Motherboards, SOMs for Microprocessors and FPGAs, Carrier Boards, and HDI boards mainly High-speed products. I have designed and developed several projects for IMX6, IMX8, RK5528, Xilinx Zynq-based SOMs, PCDU and DAU units for LEO earth Sattelites, Carrier boards for CM3, CM4, CN9130, Nvidea Jetson Nano boards, Ethernet and POE products (POE++, POE PD, POE PSE etc). I have worked on following high-speed interfaces - DDR3 and DDR4 - PCIe - Ethernet - HDMI - LVDS - MIL1553 - Ethernet - USB Apart from that, other interfaces include CAN, SPI, I2C, etc I have complete professional expertise in Altium (Licensed), Eagle (Licensed), KiCAD, OrCAD/Allegro, Solidworks, Fusion360(licensed), Thanks Jamal

802.11 Wireless Engineering Electronics Verilog / VHDL

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Calvin C.

5.0

1.9

100%

Centennial, United States

$75 USD per hour

I deliver results at the intersection of projects, engineering, production, and audio services. With a balance of technical precision and creative focus, I turn ideas into polished, reliable outcomes—streamlined workflows, refined productions, and clean, natural audio that speaks for itself.

802.11 Audio Services Wireless Animation Music

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How to hire a great freelance Wireless Engineer

A wireless engineer designs, deploys, and optimizes radio frequency networks that carry voice and data between devices, access points, base stations, and core infrastructure. Hiring a freelance wireless engineer gives you on-demand access to RF planning, site surveys, and network troubleshooting without the overhead of a full-time hire. From Wi-Fi 6E rollouts in office buildings to private LTE deployments on industrial sites, freelance wireless engineers on Freelancer.com handle the full lifecycle of wireless network design and implementation.

What does a freelance wireless engineer do

Wireless engineering covers the planning, configuration, and optimization of any network that transmits data over radio waves. A wireless engineer translates business requirements — coverage area, user density, throughput, latency — into a working RF design that performs reliably under real-world conditions. The work blends physics, networking, and hands-on configuration of vendor hardware.

Commercially, this matters because poor wireless performance directly costs revenue. Dropped connections in a warehouse halt scanner-driven workflows. Patchy hotel Wi-Fi triggers refund requests. A misconfigured cellular small cell drops calls in dense urban blocks. A skilled wireless engineer prevents these failures before they reach end users.

Core deliverables and services

Freelance wireless engineers handle a wide range of project types across enterprise Wi-Fi, cellular, and IoT radio systems. Typical deliverables include:

Predictive RF designs and heatmaps using Ekahau Pro, iBwave, or Hamina

Pre-deployment, post-deployment, and AP-on-a-stick site surveys

Wi-Fi 6, Wi-Fi 6E, and Wi-Fi 7 access point placement and channel planning

Wireless LAN controller configuration on Cisco, Aruba, Juniper Mist, Ruckus, and Meraki platforms

Spectrum analysis, interference hunting, and rogue AP detection

Private LTE and 5G design including CBRS deployments

Point-to-point and point-to-multipoint backhaul links using Ubiquiti airFiber or Cambium

WPA3, 802.1X, RADIUS, and certificate-based authentication setup

IoT and LPWAN designs covering Zigbee, LoRaWAN, and BLE mesh

Wireless network troubleshooting, packet captures, and root-cause analysis

Capacity planning for high-density venues such as stadiums, lecture halls, and convention centers

Tools and platforms wireless engineers use

Tool fluency is one of the clearest signals of an experienced RF engineer. Buyers should expect candidates to name specific platforms tied to the deliverable they need.

RF design and survey : Ekahau Pro, iBwave Design, Hamina, NetSpot, AirMagnet

Spectrum analysis : MetaGeek Chanalyzer, Wi-Spy, Keysight FieldFox

Packet capture and analysis : Wireshark, OmniPeek, Aruba Packet Capture

Vendor controllers and dashboards : Cisco Catalyst Center, Aruba Central, Juniper Mist AI, Meraki Dashboard, Ruckus SmartZone

Cellular and private LTE : Celona, Nokia Digital Automation Cloud, Athonet, CBRS SAS portals

Cabling and physical layer : Fluke LinkIQ, Fluke Networks AirCheck

Industries that hire wireless engineers

Wireless infrastructure is a backbone for nearly every modern industry. Common project contexts include:

Hospitality and hotels requiring high-density guest Wi-Fi with PMS integration

Healthcare networks supporting medical telemetry, voice over Wi-Fi, and roaming clinical devices

Warehousing and logistics deploying handheld scanners, AGVs, and RFID

Manufacturing plants implementing private LTE or 5G for OT networks

Education campuses covering dorms, lecture halls, and outdoor spaces

Retail chains rolling out standardized wireless stacks across multiple sites

Stadiums, arenas, and convention centers needing high-density designs

Smart cities and outdoor mesh deployments for surveillance and public access

Real estate developers wiring multi-dwelling units and commercial buildings

How to evaluate freelance wireless engineer candidates

Wireless engineering rewards depth. A strong freelancer combines vendor certifications, field experience, and the ability to explain RF behavior in plain language.

Credentials worth checking include CWNA, CWDP, CWAP, and CWNE from CWNP, along with vendor tracks such as Cisco CCNP Enterprise Wireless, Aruba ACMP and ACMX, and Juniper Mist certifications. For cellular work, look for experience with 3GPP standards, CBRS CPI certification, and prior private LTE deployments.

Portfolio markers to look for:

Sample heatmaps and design documents demonstrating channel and power planning

Survey reports with both predictive and validation data

Evidence of multi-vendor experience, not just one ecosystem

Documented troubleshooting case studies with packet captures

Experience matching your industry vertical or building type

Sample interview questions you can use directly:

Walk me through how you would design Wi-Fi for a 200,000-square-foot warehouse with handheld scanners and VoWiFi.

How do you decide between 20, 40, and 80 MHz channel widths in a high-density environment?

What is your process for troubleshooting sticky clients that refuse to roam?

How would you plan a CBRS private LTE deployment alongside an existing Wi-Fi network?

Describe the difference between predictive, passive, and active site surveys and when you use each.

Why hire wireless engineers on Freelancer.com

Freelancer.com gives you access to a global pool of certified RF engineers, network architects, and wireless consultants across every major vendor ecosystem. Whether you need a one-day Ekahau predictive design, a multi-site Wi-Fi refresh, or ongoing managed support for a private LTE network, you can find freelancers on Freelancer.com with the exact certifications and field experience your project demands. Clients set their own budgets, receive competitive bids, and use Milestone Payments to release funds only as deliverables are accepted. The platform's review system, profile verification, and scale make it straightforward to compare candidates and hire on Freelancer.com with confidence.

When your brief is ready, Post a project on Freelancer.com today and connect with skilled wireless engineers ready to design, deploy, and optimize your network.

What are the steps to hiring a freelance wireless engineer?

Hiring the right wireless engineer comes down to writing a clear brief, reading proposals carefully, and verifying real RF experience on the candidate's profile. The process below walks you through posting your project, evaluating bids, and awarding the work with confidence.

Step 1: Post your project on Freelancer.com

The quality of your project post directly determines the quality of the bids you receive. A specific brief filters out generalists and attracts engineers whose certifications and field experience match your environment. Head to the post project page to fill in the brief, scope, timeline, and budget before publishing the project for freelancers to bid on.

Building type, square footage, number of floors, and construction materials

Expected client count, device types, and applications such as VoWiFi, scanners, or video

Preferred vendor stack — Cisco, Aruba, Meraki, Juniper Mist, Ruckus, or vendor-agnostic

Deliverables required: predictive design, on-site survey, controller configuration, validation report

Whether floor plans in CAD or PDF are available, and any existing network documentation

Timeline, on-site travel requirements, and overall budget range

Step 2: Review bids from freelancers

Bids are short proposals, not just price quotes. A strong wireless engineering bid will reference your specific environment, ask the right clarifying questions, and outline a realistic methodology. Use Freelancer.com's chat to probe further before shortlisting.

Look for explicit mention of survey tools such as Ekahau or iBwave and how they will be used

Check whether the freelancer asks about user density, applications, and roaming requirements

Confirm the proposed timeline accounts for design, validation, and revision cycles

Review attached sample heatmaps, design documents, or anonymized survey reports

Ask follow-up questions about channel planning, security policy, and controller architecture

Verify whether the bid covers documentation and post-deployment validation, not just initial design

Step 3: Evaluate freelancers and award the project

Final selection blends proposal quality with profile evidence. Look for consistency across multiple projects rather than one impressive showcase, and weigh client reviews that describe wireless-specific outcomes such as resolved roaming issues, validated coverage, or successful high-density deployments.

Portfolio depth across multiple buildings, vendors, and use cases similar to yours

CWNP and vendor certifications listed and, where possible, verified

Star ratings, completed project count, and on-time delivery rate

Written client reviews mentioning wireless-specific deliverables

Verified payment method and identity verification badges

Award the project to your chosen freelancer and use Milestone Payments to release funds as design, survey, and validation deliverables are accepted

What is the difference between a wireless engineer and a network engineer?

A network engineer covers the broader stack including switching, routing, firewalls, and WAN. A wireless engineer specializes in the radio layer — RF design, spectrum, antenna selection, and wireless-specific protocols. Many freelancers cover both, but for serious RF work you want someone whose primary focus is wireless.

Do I need a site survey before deploying Wi-Fi?

For anything beyond a small office, yes. A predictive survey models coverage from floor plans, while an on-site validation survey confirms real-world performance after installation. Skipping the survey is the most common cause of dead zones, slow throughput, and roaming issues.

Can a freelance wireless engineer work remotely?

Much of the work — predictive design, controller configuration, troubleshooting via remote access, and documentation — is fully remote. Physical site surveys, AP installation, and spectrum scanning require on-site presence, so for those tasks hire locally or budget for travel.

How long does a wireless network design project take?

A predictive design for a single floor can be completed in a few days, while a multi-site enterprise design with surveys and validation can run several weeks. Timelines depend on building access, floor plan availability, and vendor procurement lead times.

Should I hire a freelance wireless engineer or an integrator?

For design, audits, optimization, and troubleshooting, a freelancer is often faster and more cost-effective. For large turnkey deployments involving cabling, mounting, and physical installation across many sites, an integrator may be more practical — though many buyers hire a freelance engineer to design and oversee the integrator's work.