NB IoT civilian ultrasonic intelligent gas meter

Main advantages: 1. High precision and wide range, with an accuracy of up to 1.0 level and a range ratio of 375 or above; 2. Fully electronic structure, easy to intelligently integrate and expand; 3. No magnetic sensing components, measurement is not easily affected by interference sources such as magnetic fields; 4. Peak shifting mechanism, using self-developed peak shifting algorithm to solve the problem of data upload congestion; 5. Retransmission mechanism to improve the success rate of data meter reading; 6. Data security, using fully encrypted transmission methods to ensure secure data transmission; 7. Communication loss to prevent malicious interference with wireless communication.