supply of pre warning system sender/transmitter and receiver module etc. (detailed description as per item description)pre warning system sender/transmitter and receiver module etc. (detailed description as per item description),pre warning system. sender or transmitter unit for trains detection for single line/double line each sender module shall consists of gprs technology for signal transmitting wheel sensor (fixed unit) for d etecting train, 40w solar, 6ah li-fepo4 battery backup or charger & pole mounting ms arrangement. trans mitter unit for up line, solar panel mounting arrangements. ,pre warning system. system specification- sen der or transmitter unit for trains detection for single line/double line. each sender module consists of gprs technology for signal transmitting and updating server. train wheel sensor (fixed unit) for detecting train, 4 0w solar, 6ah li-fepo4 battery backup or charger & pole mounting ms arrangement. transmitter unit for u p line solar panel mounting arrangements. [ warranty period: 30 months after the date of delivery ] ] sse/p-way/glpt, nfr assam 2.00 set , receiver module: the single device (with enabled hooter system which can be installed at cri tical area having high decible hooter and flasher lines and any kind of error are shown gprs technologies f or signal receiving 40w solar 12ah li-fepo4 battery backup with carrying ms fixed structures. web panel a nd android application for monitoring the data. receiver- receiver unit (hooter based) solar panel, mountin g arrangments. [ warranty period: 30 months after the date of delivery ] ] sse/p-way/glpt, nfr assam 2.00 set , pre warning system. sender or transmitter unit for trains detection for single line/double line each sender module shall consists of gprs technology for signal transmitting wheel sensor (fixed unit) for d etecting train, 40w solar, 6ah li-fepo4 battery backup or charger & pole mounting ms arrangement. trans mitter unit for up line, solar panel mounting arrangements. ,pre warning system. system specification- sen der or transmitter unit for trains detection for single line/double line. each sender module consists of gprs technology for signal transmitting and updating server. train wheel sensor (fixed unit) for detecting train, 4 0w solar, 6ah li-fepo4 battery backup or charger & pole mounting ms arrangement. transmitter unit for d own line solar panel arrangements. [ warranty period: 30 months after the date of delivery ] ] sse/p-way/glpt, nfr assam 2.00 set