supply of gps vehicle tracking system gps vehicale tracking system , gps vehicle tracking device , gps vehicle tracking device for petrol and diesel moving vehicle with installation 1 . the tracking unit should have position accuracy of 5 -10 m . 2 . data logging should be done at every 1-10 sec . 3 . data transfer through gprs~gsm / 3g / 4g should be at every 5 sec or less to the server . 4 . should have the capacity to store the data if vehicle lost connection with gsm / gprs / 3g network ( minimum 32 mb ) and transfer it once the connection is restored . suitable storage device , if needed , also to be supplied along with gps . 5 . should provide the protocol , listener api and associated software and database applications so that the gps data can be received at a server at police control room in a format or simple text file with position , time , and instrument id . police control room must be able to modify the data arrival frequency and server ip any time . 6 . remote configuration , activation , status alert and deactivation of device by sms must be available and training to police control room personnel on this should be provided . 7 . the unit should be light in weight and should have supporting accessories to fix it to a vehicle . 8 . tamper proof , vandal proof and water proof enclosure for gps , power supply and antenna must be provided such as metallic casing for the unit , metallic tube covering the power supply as well as antenna cable without leaving gap for tampering , cutting etc . 9 . the gps unit , power supply , and antenna have to be installed such that it is not within reach of any passenger . 10 . the gps unit must give warning sms if tampered such as power cord removed , antenna cut etc . 11 . the device should be capable of operating with vehicle 12 volt battery . the unit should also have an internal back-up battery ( 6 hours ) and the battery charge should be indicated in the unit . battery charging facility also should be provided all included with gps server set up + installation service + software installation and also user id creation for all the authorized users . , device sim with life time validity with three year recharge . idea , jio three year usage of the gps software and other services will be free . after that sp office will renew the service for further usage . comment: internet service for operating gps device , maintenance & support fees . first year annual maintenance should be for free . vender should take care of any problem occurred during operating of the admin panel as well as device . 1st yr replacement warranty . / renewal ( clouds / sim / non comprehensive manintenance ) next two year annual compressive maintenance annual comprehensive maintenance vender will have to repair the devices if any problem occurred after first year warranty period . amc will start after one year of installation of product . rate code including with gst