... system management and development. The function for purchase, anti-stealing electricity, power control, remote meter reading as ... 2. Model Description 3. Product Features a. Strong anti-jamming design, high reliabilitySignal input and output circuits with ... 256-22-2)Surge: 4kvBurst: 4kvHigh-frequency interference: 2kvAnti-vibration, shock, impact performance requirements meets the GB7261.5. Hardware ...