supply of trans-receiver handheld 5-watt digital vhf set along with two set of oem approved rechargeable battery including one as spare, quick battery charger, helical antenna and belt clip conforming to rdso specifi cation no. rdso / spn / tc / 107 / 2018 rev 0.0 with amendment no. 1 or later. additional requirements: ( 1 ) spot fr equency 161.150 mhz, ( 2 ) technical parameter of vhf set should be as per ci 5-b ( without display ) of rdso s pecification rdso / spn / tc / 107 / 2018 rev 0.0 with amendment no. 1 or later with following special feature - op erate in both analog and digital mode, it should switch over to analog / digital mode automatically as per received signal irrespective of presently selected mode ( analog / digital ) 3 ) battery type - li-ion 4 ) battery capacity - mini mum 2300 mah 5 ) one number of tuning kit with software to program shall be provided for each consignee 6 ) s pare antenna for vhf set: 10% of total vhf set quantity antenna shall be provided as spare. 7 ) warranty - warra nty for radios and rapid chargers shall be covered for at least 5 years, warranty for battery packs shall be for at le ast 1 years. all vendors offering the material have to submit the point-wise compliance statement of the offered material as per the specification / description / requirement mentioned in the tender. without compliance stateme nt the offer is liable to be summarily rejected without any further clarifications. [ warranty period: 30 months afte r the date of delivery ]