tender for supply of walkie talkie for talcher 2x660mw , wireless handsets (two way) portable radios with shoulder strap, sling, protective coating, leather carrying case, belt clip, dtmf keypad, battery &battery charger , base station with built in s peaker, dtmf keypad, microphone, decoder and ctcss encoder, psu & other required accessories. , uhf vertical antennae for each base station including lightning arrestor and aviation warning as per statutory requirements. , gi pipe (suitable size & height) for mounting antenna. , suitable cable with connectors for connecting each antenna to their corresponding base station / aviation lamp / lightening arrestor - 35 mtrs each. , rapid charger which can charge 06 handset batteries at a time , any other item required to complete the system , a. survey of site for installing base station/ repeater/ antenna at appropriate building/location for suitable coverage , b. cable and conduit laying and erection / installation of antenna , d. training for walkie talkie system - 1 man day at site , operating license for frequency and this shall involves : a) liaisoning b) obtaining license [it excludes royalty and license fee payable to wpc] the bidder shall get the necessary license in the name of ntpc for operating wireless system from the competent authority.