Tender For supply of in -built gnss based cable route tracer with 10w, 500ma, 85 v transmitter suitable for detecting & mapping underground cables with accuracy which can up to 3-5 cm or better with current direction up/down arrows, remote calibration check feature . supply shall include in built rtk enabled receiver, transmitter, compatible dual bluetooth android phone with rtk mobile application pre-installed in android device along with minimum 5 years subscription, compatible with ntrip and rtcmv3.x messaging standards and holder & standard accessories. make/model: radio detection rd 8200gs or similar. [ warranty period: 30 months after the date of delivery ]