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I am looking for an experienced electronics/IoT developer to build a **working prototype of a 4G SIM-based security camera and a simple mobile app**. The camera should work without Wi-Fi and connect to the internet using a SIM/4G network. ### Prototype Requirements * Camera with live video * 4G/SIM connectivity * Microphone + speaker for two-way communication * Battery powered * USB-C/external power or power bank support * Remote viewing from a mobile app * Basic camera controls * Simple backend/cloud connection * Prototype should support the concept of having multiple cameras at one location For the first stage, I am **not looking for a production-ready/custom-manufactured camera**. Commercially available development boards/modules can be used. The goal is to build **one complete working prototype** and demonstrate that the camera can be remotely accessed and controlled through the app over 4G or 5G Please mention: 1. Your experience with 4G/LTE camera or IoT projects. 2. Similar projects you have completed. 3. Hardware/platform you would recommend for the prototype. 4. Estimated time and cost for the prototype. Source code, firmware and project files should be handed over at completion.
Project ID: 40706886
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31 freelancers are bidding on average ₹29,478 INR for this job

Hi there, I have carefully reviewed your requirements for a complete 4G SIM-based security camera prototype with live video, two-way audio, battery operation, USB-C/external power, remote mobile access, backend connectivity, and support for multiple cameras. With my mechatronics, embedded systems, IoT, PCB, firmware, and communication-interface experience, I can handle the complete prototype from hardware/platform selection through firmware, cloud/API integration, mobile-app connectivity, testing, and final source-code handover. I have already worked with the main technologies involved in this project, including 4G/LTE modules, cameras, audio interfaces, battery-powered electronics, USB-C power, embedded networking, and IoT backend communication. For the first stage, I would recommend using proven development modules rather than spending time and budget on a custom production PCB, allowing us to reach a working demonstration much faster. Given my skillset, I can move quickly and deliver a functional prototype efficiently. Send me a message with your preferred app platform, target video quality, and expected operating time, and we can start immediately. Best regards, Samuel tshibangu
₹29,000 INR in 1 day
6.5
6.5

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with Flutter, Android, iOS, React, Node.js, and APIs. I focus on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. I will first review your requirements, suggest the best technical approach, and then proceed with development while keeping you updated at every stage. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: 1. Do you need this for mobile, web, or both? 2. Do you already have UI/UX designs or should we create them? 3. Will there be any third-party API or payment gateway integration? 4. What is your expected timeline for completion? 5. Are there any reference apps or websites you like?What specific features do you envision for the camera controls in the app? Let’s discuss over chat! Regards, Arpit Jaiswal
₹27,750 INR in 12 days
7.4
7.4

Hello sir, Did go through your job description and glad to share that I have enormous experience in working with 4G SIM-based Security Camera Prototype I'm a seasoned programmer and Engineer with quality experience in Flutter, React, Node.JS, SpringBoot, Frontend and Backend Development, Python, Matlab, R studio, C, C++, C#, OpenCV, OpenGL, Tesseract OCR, google vision, Statisticaal programming/R progamming data analysis Computing for Data Analysis Time Series & Econometric, Machine learning, AI, Deep learning, Matlab and Mathematica, 3D modeling, CAD/CAM,AutoCAD, 2D, Architectural Engineering, SolidWorks, Unity 3D, AutoCAD, 2D drawing, 2D draftingPCB, Electronics, Arduino, Embedded Systems Automation, Embedded and Firmware , IOT, Electrical/Mechanical Engineering I am a TOP Rated Freelancer, and you can check my reviews here as well: https://www.freelancer.com/u/mzdesmag. Looking forward to potentially working together on this project. Thanks and Best regards, Adekunle.
₹13,000 INR in 7 days
5.3
5.3

Hi, Greetings! I am interested in working on your project. Please share the design details, specifications, and project requirements so we can discuss them further. I look forward to working with you. Thank you. Shivkant Verma
₹75,000 INR in 7 days
4.7
4.7

As an AI and IoT freelancer, I have extensive experience in creating tailored solutions that integrate hardware with cloud-based software. I understand the importance of building prototypes that consistently perform as intended, and that's what I plan to deliver for your 4G SIM-based security camera project. In previous ventures, I've engineered IoT devices to leverage LTE networks, paving the way for me to build a fully functional prototype tailored to your requirements. In terms of hardware/platforms, I recommend leveraging commercially available development boards and modules, striking a balance between functionality and cost-effectiveness for the prototype. This approach ensures we can expedite the process without compromising on quality or core functionalities. Given my strong grounding in both software development and hardware design --working with diverse technologies like C Programming, Cloud Computing, Electronics, Embedded Systems, and Mobile App Development—it enables me to structure a seamless workflow from capturing live video through the camera to navigating it effortlessly via the mobile application and backend system.
₹25,000 INR in 7 days
5.2
5.2

Hi there i had been working on complex projects which includes Raspberry Pi AI Camera (IMX500) On‑sensor object & pose detection (weapons, falls, self‑harm gestures) Camera Module 3 (IMX708 NoIR) 4K day and night vision streaming via IR illumination there's a recorded videos that shows whole project delivery within 2 days going to use rpi 4g-usb dongle python
₹20,000 INR in 2 days
4.7
4.7

With a rich background in mobile app development and custom software solutions, I am confident in my ability to successfully complete your 4G SIM-based security camera prototype project. While I may not have specific experience with 4G/LTE cameras, my expertise in IoT projects will be invaluable for this task. Over the years, I have completed numerous projects that demand meticulous attention to detail and practical implementation of technical solutions - skills that are vital for your prototype's success. In terms of the hardware platform, considering we aren't looking for a custom-manufactured camera, I would suggest utilizing commercially available development boards/modules. These will provide an optimal foundation to test the feasibility of our design. Given that reliability and user-friendliness is key in a security camera, I will also ensure it meets all your required functionalities; including the use of a battery or alternative power source, two-way communication via microphone/speaker unit and remote access capabilities. In terms of timeline and cost, based on my assessment of the task at hand, I would estimate about X weeks and $X as a project budget. However, as someone committed to providing quality work while also meeting project goals within budgetary limits - rest assured, I am more than happy to adapt these initial numbers based on your needs.
₹25,000 INR in 3 days
3.7
3.7

Hi-Abror Here From Uzbekistan. "Build A Working 4G Security Camera Prototype" - I can develop your prototype using LTE hardware, embedded firmware, cloud streaming, and a simple mobile application. I can integrate a 4G camera module, microphone, speaker, battery power, USB-C support, remote controls, and secure cloud communication for reliable operation. I will deliver firmware, mobile app, backend integration, remote viewing, two-way audio, multi-camera architecture, testing, documentation, and complete source files. Would you prefer an ESP32-based solution or Linux LTE development board for the prototype? Looking forward to working with you.
₹25,000 INR in 7 days
3.1
3.1

Hello, I'm Karthik, an electronics/IoT developer with over 15 years of experience. I'm excited about your project to create a 4G SIM-based security camera prototype. 1. Experience: I have successfully developed IoT solutions, including 4G-enabled devices and mobile applications for remote monitoring. My expertise includes camera integration, cloud connectivity, and app development. 2. Similar Projects: I've previously built a 4G surveillance camera and a corresponding app that allowed live streaming and two-way communication. 3. Recommended Hardware: For this prototype, I suggest using the Raspberry Pi or an ESP32 with a compatible camera module, alongside a 4G LTE module for connectivity. This setup allows for rapid prototyping and ease of use. 4. Timeline & Cost: I can deliver the prototype within 4-6 weeks at a cost of ₹35,000, which includes all source code and documentation upon completion. I look forward to the opportunity to work on this innovative project. Thank you! Best, Karthik
₹35,000 INR in 7 days
4.2
4.2

Hi, This project is a strong match for my **16 years of embedded/IoT R&D experience** with 4G/LTE, GPS, ESP32, cameras, audio, cloud connectivity and mobile-connected devices. I have completed **AIS-140 GPS trackers, AI Dashcam, ANPR and IoT projects** involving cellular communication, video/camera processing and remote data connectivity. For the prototype, I would recommend a **Linux-capable camera platform with a Quectel 4G/LTE modem** (or an integrated 4G camera development board), giving sufficient processing capability for live video, audio and secure remote streaming. The architecture can support multiple cameras later through a common cloud/backend. I can develop and integrate: * 4G/SIM internet connectivity without Wi-Fi * Live video streaming * Microphone + speaker two-way audio * Battery/USB-C power management * Remote camera controls * Simple cloud/backend connection * Mobile app for live viewing and control * Device registration and multi-camera architecture I will deliver the complete working prototype, firmware For the first prototype, I would prioritize proving **stable remote video + two-way audio over 4G**, then add controls and multi-camera support. I can provide the detailed timeline and fixed prototype quotation after confirming the required video resolution/frame rate, preferred mobile platform and 4G bands/SIM network. Best regards, **Subhash Suman** 4G/LTE | IoT | Camera | ESP32 | Embedded Systems **16 Years R&D Experience**
₹25,000 INR in 7 days
2.3
2.3

Hi there, I can build this as a real 4G camera prototype, not just a demo with Wi-Fi hidden behind it. For the hardware, I recommend Raspberry Pi CM4 with a Quectel 4G/LTE module, CSI camera, microphone, speaker, battery management and USB-C power. I would use WebRTC for low-latency live video and two-way audio, with a lightweight backend and mobile app supporting multiple cameras. My relevant work covers embedded IoT, cellular connectivity, camera streaming, cloud integration and mobile control systems.
₹75,000 INR in 20 days
1.4
1.4

You want a working 4G-connected security camera prototype with two-way audio, remote viewing, and a mobile app - no Wi-Fi dependency, fully demonstrable end-to-end. Here's my plan: Raspberry Pi 4 paired with a Waveshare SIM7600 4G HAT handles connectivity and processing. Pi Camera Module v3 covers video, a USB audio adapter drives mic and speaker for two-way comms, and a LiPo battery pack with USB-C input covers portable power. Backend runs on a lightweight RTSP/WebRTC relay on AWS or similar, with an MQTT control layer. The mobile app built in Flutter covers iOS and Android from one codebase. Multiple cameras are handled natively - each device registers with a unique ID, selectable from the app. I've built LTE-connected IoT devices handling real-time data streaming, remote command execution, and cloud-connected firmware with full source handover. Two-way audio over cellular and WebRTC is territory I know well. Timeline: 5-6 weeks. Week 1-2 hardware assembly and 4G connectivity. Week 3 video streaming and audio. Week 4 backend and app. Week 5-6 integration, multi-camera testing, documentation. Full source code, firmware, and project files delivered at completion. One question to scope this accurately: do you have a preferred cloud provider, or are you open to my recommendation?
₹18,435.94 INR in 7 days
0.0
0.0

INTRO Recently helped a similar business solve the challenge of developing a remote-access security camera, turning a frustrating process into a smoother and more effective solution that supported their business goals. I can help you create a practical, professional solution built around what you actually need to achieve, not simply complete the project. MIDDLE I noticed you specifically mentioned the need for 4G connectivity and remote viewing via a mobile app. That is important because the right approach here is not just about building hardware, but creating a clean, user-friendly experience that delivers reliable video monitoring. I bring experience in IoT development, particularly with 4G/LTE cameras, and have completed similar projects using development boards like Raspberry Pi and ESP32. We have 75+ 5-star reviews on similar projects and rank in the top 1% among 75 million users! OUTRO If you message me, I can share how I would approach this and where I see the biggest opportunity to solve the challenge effectively. Regards, VutomiM1
₹18,750 INR in 7 days
0.0
0.0

Greetings I understand you're seeking a prototype for a 4G SIM-based security camera with mobile app integration, and I have successfully completed similar projects in the past. Your goal of creating a fully functional prototype that allows remote access and control through a mobile app is clear. I can ensure the camera includes live video, two-way communication, and battery power options while utilizing commercially available components to streamline development. I bring extensive experience in IoT development and 4G/LTE camera projects, equipping me to deliver a robust solution tailored to your needs. I would love to chat about your project further and suggest a follow-up discussion to explore how we can bring your vision to life. Regards, Nabeel Ismail
₹16,500 INR in 7 days
0.0
0.0

Hello, I have reviewed your requirements. please find my proposal below. 1. Your experience with 4G/LTE camera or IoT projects. I have developed handful of 4G/LTE enabled IoT controller boards in the past. 2. Similar projects you have completed. Please contact me over chat for details. 3. Hardware/platform you would recommend for the prototype. I would recommend Quectel SC200L or SC686A since it is all in one solution for microprocessor + LTE module. The camera depends on your required resolution. 4. Estimated time and cost for the prototype. Timeline and cost heavily depends on the used camera sensor (Higher resolution require higher bandwidth processing). Let's discuss more details. Looking forward to hearing from you. Thanks.
₹12,500 INR in 7 days
0.0
0.0

hello, there? I understand your goal is to prove the concept with a fully working 4G-connected security camera prototype rather than invest immediately in custom hardware. The key challenge is combining reliable video streaming, two-way audio, battery operation, remote access, and mobile control into a system that works consistently over cellular networks. I would use proven development hardware and LTE modules to reduce risk and accelerate testing, while designing the architecture so multiple cameras can later connect through the same backend. The prototype will include live video, microphone and speaker communication, SIM-based internet connectivity, power management, basic camera controls, and a simple mobile app for remote viewing. I will validate the complete workflow over a real 4G/5G network, document the hardware and software architecture, and provide all source code, firmware, backend components, and project files. I will complete the project by assembling the prototype, integrating the cloud connection and app, testing remote access and audio/video performance, and delivering a fully demonstrable system with handover documentation. thanks.
₹25,000 INR in 10 days
0.0
0.0

I get you require a surveillance device that can be communicated via a 4G sim inserted inside the device. I've prior experience in this with a CCTV manufacturer and I hope my experience served you well. I'm setting a price higher not to disappoint you but to make sure my efforts are paid. You can communicate any doubt if you have. You'll get production ready design files. Do message me, I'll get back to you ASAP.
₹99,999 INR in 7 days
0.0
0.0

With my solid background in Software and DevOps Engineering, I bring you a unique skill set for this project. Throughout my 5-year tenure, I have consistently excelled in providing scalable cloud architecture with a core focus on the telecommunications sector—an asset that aligns perfectly with your 4G SIM-based security camera prototype concept. My expertise in building Infrastructure as Code (IaC) using Terraform, paired with my robust knowledge of containerized applications with Kubernetes on Microsoft Azure, will not only ensure a smooth process for this project but also guarantee high-performance results. In terms of similar projects, I have successfully completed several IoT endeavors that required the use of both hardware and software to build reliable performing systems. One significant example was the deployment of a remote monitoring system which employed 4G/LTE cameras to stream live video feeds. In addition to this, I have handled numerous projects involving the integration of mobile apps and IoT devices. For this particular prototype, considering its developmental stage, I propose we utilize commercially available development boards and modules instead of going down the road of custom manufacturing. This approach is not only cost-effective but also time-efficient given our goal is to demonstrate the feasibility of the concept rater than produce a final market-ready product
₹25,000 INR in 7 days
0.0
0.0

Hi I can build a working 4G/LTE security-camera prototype using a suitable development board, camera module, SIM connectivity, two-way audio, battery/power support, cloud backend, and a simple React Native mobile app for remote viewing and controls. I’ll focus on reliable 4G streaming, secure device communication, multi-camera architecture, and complete source/firmware handover. 1. Do you have a preferred 4G region/carrier or SIM, and should the prototype support both 4G and 5G? 2. What target prototype budget and timeline do you have for the complete hardware + firmware + app system? if looking for expert then lets connect (expereince 7 yrs in development)
₹50,000 INR in 7 days
0.0
0.0

⚠️ IF YOU’RE NOT HAPPY, YOU DON’T PAY ⚠️ I have extensive experience in IoT and have successfully developed 4G-based camera systems in the past. My work includes creating prototypes that integrate live video streaming, two-way communication, and mobile app connectivity. I recommend using the Raspberry Pi platform combined with a 4G LTE module for this project, ensuring scalability for multiple cameras. To achieve your goals, I will prioritize a clean implementation and seamless remote access through the app. My estimated timeline for the prototype is six weeks, with a cost of $2,500, including all source files and documentation. I’m excited to collaborate on this innovative project and look forward to discussing it further. Regards, Anchel
₹12,500 INR in 7 days
0.0
0.0

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