supply of trans-receiver handheld 5 watt digital vhf settrans-receiver handheld 5 watt digital vhf set,supply and configuration of trans-receiver handheld 5 watt digital vhf set along with two se t of oem approved rechargeable battery including one as spare, quick battery charger, helical antenna and belt clip conforming to rdso specification no. rdso/spn/tc/107/2018 rev 0.0 with amendment no. 1 or lat er. additional requirements: (1) spot frequency 161.150 mhz, (2) technical parameter of vhf set should b e as per cl 5-b (without display) of rdso specification rdso/spn/tc/107 /2018 rev 0.0 with amendment n o. 1 or later with following special feature - operate in both analog and digital mode, it should switch over to analog / digital mode automatically as per received signal irrespective of presently selected mode (analo g/digital) 3) battery type - li-ion 4) battery capacity - minimum 2300 mah 5) one number of tuning kit wit h software to program shall be provided for each consignee 6) spare antenna for vhf set: 10% of total vhf set quantity antenna shall be provided as spare. 7) warranty - warranty for radios and rapid chargers shall be covered for at least 5 years, warranty for battery packs shall be for at least 1 years. material should be mtcte approved. [ warranty period: 30 months after the date of delivery ] ] sr.section engineer(tele) maharashtra 8.00 set