Northeast Frontier Railway

Northeast Frontier Railway has published Supply Of supplying and installation of automatic weather board as per schedule of requirements (specification attached) , supplying and installation of automatic weather board comprising of enclosure and accessori es, mounting mast , data logger with 4 g gdm/gprs modem, air temperature sensor , relative humidity sen sor, rainfall sensor, ultrasonic wind sensor, flash memory, external memory supporting up to 64gb, usb pe n drive, adc resolution, common modem dual sim system, display 16x2 alphanumeric display, keyboard, communication features, spi, 12c, adc, uart etc., recording intervals, firmware update, voltage level, sign al strength, internal clock with drift less than 2 second per day real time synchronization with gps. data tra nsmission protocol , enclosure ip65 nema4 or better. the data logger must be able to send the weather sta tion data to the central server using secured protocol. the data transmission interval will be configurable o ver the air and any new transmissions will happens as per the newly configured interval. during a signal los s condition, the data logger will store the data to its internal memory and keep trying for the transmission and resume the transmission once the gprs network is available. the data logger should have the facility o f fota etc. detailed specification is attached . or make superior quality note- one year warranty from the d ate of installation and 2 year amc services. [ warranty period: 30 months after the date of delivery ] ]. Last date of submission for this tender is 2026-03-24. This is a Railway Ancillaries tender in Lumding, Assam