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\begin{longtable}{|p{0.25\textwidth}|p{0.25\textwidth}|p{0.3\textwidth}|}
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\hline
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\textbf{Item} & \textbf{Estimated Cost Range (USD)} & \textbf{Notes} \\
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1.0 Staff & \$0 & Includes labor for installation, setup, configuration, and ongoing maintenance. Highly variable based on expertise, hours, and project scope. \\
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\hline
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\multicolumn{3}{|l|}{\textbf{2.0 Hardware Components}} \\
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\hline
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2.1 Installation Kit & \$100 - \$500 & Includes tools, cables, connectors, mounting hardware, etc. \\
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\hline
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2.2 ESP32 Spare Board & \$10 - \$30 & Cost per unit. \\
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\hline
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2.3 Raspberry Pi 4 Spare & \$50 - \$100 & Cost per unit. \\
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\hline
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2.4 128 GB Micro SD Card & \$15 - \$30 & Cost per unit. \\
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\hline
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3.1.1.1 Micro SD Card & \$15 - \$30 & Cost per unit. (Included in 2.4, if not separate) \\
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\hline
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3.1.1.2 USB 128 GB & \$20 - \$40 & Cost per unit. \\
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\hline
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3.1.1.3 Error Code LED & \$5 - \$15 & Cost per unit. \\
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\hline
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3.1.1.4 External Wifi Antenna & \$10 - \$25 & Cost per unit. \\
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\hline
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3.1.1.5 Raspberry Pi 4 & \$50 - \$100 & Cost per unit. \\
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\hline
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3.1.1.6 LORA ESP32 Transmitter & \$25 - \$50 & Cost per unit. \\
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\hline
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3.2.1 LORA ESP32 Receiver & \$25 - \$50 & Cost per unit. \\
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\hline
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3.2.2 AAA Batteries & \$10 - \$20 & Pack of batteries. \\
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\hline
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3.3.1.1 Ecowitt Weather Station & \$150 - \$300 & Cost per unit. \\
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\hline
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3.3.1.2 AA Batteries & \$10 - \$20 & Pack of batteries. \\
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\hline
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3.3.2.1 ESP32 Lora & \$25 - \$50 & Cost per unit. \\
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\hline
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3.3.2.2 AA Batteries & \$10 - \$20 & Pack of batteries. \\
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\hline
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3.3.2.3 Sensors Enclosure & \$20 - \$50 & Cost per unit. \\
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\hline
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3.4 Mobile Smartphone & \$200 - \$1,000+ & Varies greatly based on model and features. Could be a used device. \\
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\hline
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3.5 PC & \$500 - \$1,500+ & Optional and prefere used. \\
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\hline
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\textbf{3.1.2 OS} & \$0 & Using Free and Community Supported OS. \\
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\hline
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\multicolumn{3}{|l|}{\textbf{3.1.3 Software Applications}} \\
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\hline
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3.1.3.1 Monitoring (Grafana) & \$0 & Open-source (free) or enterprise versions with support/features. \\
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\hline
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3.1.3.2 Dashboard (Control Board) & \$0 - \$1,000+ & Cost depends on complexity, development time, and if using existing software or building custom. \\
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\hline
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3.1.3.3 Network (Network Throughput Monitor) & \$0 - \$500+ & Open-source or commercial software, depending on features. \\
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\hline
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3.1.3.4 Expenses (CRUD App) & \$0 - \$1,000+ & Development costs if custom. If not please user the service refered in Appendix \ref{appendix:supp_material}. \\
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\hline
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3.1.3.5 Inventory and Maintenance Log (CRUD) & \$0 - \$1,000+ & Development costs if custom, or subscription fees if using existing tools. \\
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\hline
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3.1.3.6 Config Files & \$0 & Development time, but no direct software cost. \\
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\hline
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3.1.3.7 Object Storage & \$0 - \$500+ & Provided by minio services hosted on Edge computer. \\
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\hline
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3.1.3.8 Software Repository & \$0 - \$100+ & Git hosting (e.g., GitHub, GitLab) or self-hosted. \\
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\hline
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3.1.3.9 Cloud Native (Kubernetes) & \$0 - \$1,000+ & Cost depends on internet bandwidth. Doesn't occur in acquisition phase. \\
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\hline
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3.1.3.10 Containers (CNI) & \$0 - \$100+ & Container network interface (CNI) costs, if any (some are open-source). \\
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\hline
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3.1.3.11 Sensors Pipeline (Node-Red) & \$0 & Open-source (free). \\
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\hline
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\textbf{Total (Estimated)} & \textbf{\$+} & Highly variable, depending on specific requirements and choices. This quote assuming all resources are acquired on the market wihout reusing any component\\
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\hline
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\label{table:spec}
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\end{longtable}
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