WWAN (Wide-Area Wireless Network): WWANs provide connectivity over extensive geographic areas, typically covering regions or even entire countries.
Cellular Technology: WWANs often rely on cellular networks (3G, 4G, 5G) offered by mobile carriers.
References
WWAN: https://en.wikipedia.org/wiki/Wireless_wide_area_network

ZigBee Channel Spacing: ZigBee channels in the 2.4 GHz band are spaced 5 MHz apart. This helps manage interference in the crowded 2.4 GHz spectrum.

Successful Deployment Depends on Buy-In: A final customer meeting signifies the handover phase. Achieving stakeholder agreement ensures everyone impacted by the solution has a voice and feels their concerns are addressed.
Sign-Off and Formal Acceptance: Stakeholders often need to formally "sign-off" on a project's completion, indicating satisfaction and readiness for operational use.
Other Options: While Important, Not the Primary Goal:
Scope definition typically happens much earlier
Solutions may or may not include wearables
Power supply should already be planned
References:
Project Management Methodologies: Emphasis on stakeholder involvement & acceptance criteria.
ITIL (Change Management): Materials on getting approval before a system goes live.

The concept described is Free Space Path Loss (FSPL). FSPL refers to the reduction in power density of an electromagnetic wave as it propagates through a clear, unobstructed path in free space. This weakening of the signal is due to the spreading of the wavefront as it travels, causing the power to be distributed over a larger area. The FSPL can be calculated using the Friis Transmission Equation, which shows that the received power decreases with the square of the distance from the transmitter. This concept is fundamental to understanding the behavior of RF signals in various communication systems, including wireless IoT, where the signal strength at the receiver is a critical factor for reliable data transmission.
References:
The information provided aligns with the Friis Transmission Equation, which models how the power of an RF signal decreases with distance1. Additionally, the concept of FSPL is a well-known phenomenon in RF propagation, affecting the design and optimization of wireless communication systems

Primary Concern: Safety: Building codes and safety regulations are there to prevent injury and accidents. This includes potential harm from improper equipment installation (falling objects, electrical hazards, etc.).
Legal and Ethical Responsibility: Organizations have an obligation to provide a safe workplace for employees and protect the well-being of end-users.
Insurance Considerations: While complying with codes may impact insurance rates, this shouldn't be the primary motivation, as safety itself is paramount.
References:
Occupational Safety and Health (e.g., OSHA in the US): Websites of regulatory bodies outlining guidelines for safe equipment installation in various settings.
Electrical Codes (e.g., National Electrical Code): Standards that address safe practices to prevent fire and shock hazards.