A. Each unit shall be rated for a minimum of 10 years of continuous operation. B. Each unit shall be suitable for operation in under the following environmental parameters: 1. Ambient Temperatures: Minimum: -22°F, Maximum: 101°F 2. Humidity: 77% C. Each unit shall maintain full operational functionality during de-energized grid conditions and feature full galvanic isolation from overhead distribution lines. D. Each unit shall incorporate multi-modal sensing with a minimum of 12 additional high-fidelity sensors beyond conventional tilt or vibration sensors. The following detection and verification capabilities are required by the unit: 1. Primary Detection Methods: a. Vegetation Contact b. Line Down c. Line Slap d. Animal Contact e. Equipment Failure f. Structural Damage g. De-energized Monitoring h. Protection Operation i. Micro-Climate 2. Verification Sensors: a. Vibrometer b. Accelerometer c. Magnetometer d. Inclinometer e. Electrometer f. Audible Acoustic g. Voltage Gradient h. Infrared i. Ambient Temperature j. Barometer k. Particulate Matter l. Hygrometer m. Cameras E. Power System: 1. Self-powered by an integrated photovoltaic (PV) assembly and not require any connection to the grid. 2. Includes an internal, high-capacity battery, ensuring a minimum operational life of 30 days without power from the PV system. F. Data and Storage: 1. 100GB of non-volatile storage shall be provided, allowing for 1 month of rolling data backup. 2. Data exfiltration shall be available on demand. G. Communications: 1. Wireless communication shall utilize 4G LTE Category M. 2. Support for all major US and international carriers is required. 3. Frequency bands supported shall include 3GPP LTE Bands 1-5, 8, 12-13, 18-20, 25-26, 28, 39...
