supply of supply of in -built gnss based cable route tracer. , supply of in -built gnss based cable route tracer with 10w, 500ma, 85 v transmitter suitab le for detecting & mapping underground cables with accuracy which can up to 3-5 cm or better with curren t direction up/down arrows, remote calibration check feature . supply shall include in built rtk enabled rec eiver, transmitter, compatible dual bluetooth android phone with rtk mobile application pre-installed in an droid device along with minimum 5 years subscription, compatible with ntrip and rtcmv3.x messaging st andards and holder & standard accessories,as per attached specification. [ warranty period: 30 months a fter the date of delivery ] ]