NB Intelligent manhole cover sensor

Positioning parameter | Communication parameters |
Solution composition: NB-IOT module + PCBA GPS/Beidou chip: TD1030 GPS frequency: L1, 1575, 42MHz C/A code Beidou frequency: B1, 1561.098MHz Positioning accuracy:<10m | Communication standard:- Transmit power:- Receiving sensitivity:- UIM card: card (NANO) Communication method: MQTT Uplink speed: 153.6kbps Downstream speed: 153.6kbps Frequency band: 800MHZ |
Acceleration sensing parameter | Other parameters |
MBlue custom core: ultra low power, all weather detection Inclination response: alarm when the inclination is greater than 15 degrees Mobile response: alarm when the moving distance is greater than 0.1 m Power failure alarm: device and battery disconnect alarm Response time: Average response time is less than 10 milliseconds (start data upload) | Earthquake resistance: load capacity >200KN Built-in battery: 800mAh, support normal use for 3 years Waterproof design: IP68 (can work normally within 10 meters water depth) Application environment: -40 ° C ~ +80 ° C Salt spray prevention: AASS test in accordance with GB/T10125-2012 standard Antenna: Built-in GPS high gain ceramic antenna, CDMA custom antenna |
(Note: Communication parameters vary according to the selected NB, GSM, CDMA, etc.) |