supply of supply of 200 mbps or higher ofdm outdoor tdm redu as per attached specification , supply of 200 mbps or higher ofdm outdoor tdm redundant backup (4xe1) radio equipment with ethern et plus fully functional 4xe1 auto changeover system in unlicensed frequency band of 2.4ghz- 5.8ghz for back-up rf li nk (automatic change-over to wireless in case of wireline failure and vice versa) along with dc power supply arrangeme nt and accessories as per enclosed specifications. the unit consist of 01 no. outdoor unit (odu) + 01 no. indoor unit (id u) wireless back-up system consisting of: (a) idu e1 indoor unit for e1 back-up, 2 ethernet interface, supporting wide ra nge dc input (20 to 60 vdc). (b) odu/f58 outdoor unit for external antenna for 2.4ghz-5.8ghz band india unlicensed. ( c) 2.4ghz-5.8ghz external antenna with gain of 28 dbi or higher alone connectors. (f) site survey. (g) application softwa re on pen drive/online contains installation & operational manual and link budget calculator and other drawing as requir ed in execution of work. note-1 contractor will supply all the document in 2 hard copy and 1 pen drive along with each equipment. in case the distance of tower is more than 45 meter from the indoor units, necessary modem/repeater/ampli fier should be provided by vendor. [ warranty period: 30 months after the date of delivery ] ]