bids are invited for 25w vhf sets and 90 nos of 05w 5-watt vhf transceiver set with all standard accessories like battery, charger with adaptor, helical antenna, li-ion battery of min. 2000 mah with belt clip , spare battery of min. 2000 mah li-ion battery , 25w vhf set , spd at antenna side for protection of vhf. 25w against surge for drhn, mwtn, prln, fdbn and dern stations. , adaptor uhf male to n-female connector for spds. , uhf male connector for rg-213 co-axial cable used at antenna port. , installation and commissioning charges for 25w vhf base station. , programming cable for 5w and 25w vhf set with software. , self-supported mast for vhf communication including supply, foundation work, testing and commissioning. height-15m. , 2 meter 50 mm electrode jell earthing for 25w vhf system. , 6 sq. mm. copper wire for earthing, having isi certified cable. , charges for digging earth pit. , lighting arrestor with 1 meter copper , aviation lamp , 48v dc to 12v dc converter , stand alone voice logger with 30 days backup supply installation testing and commissioning of 07 nos of total quantity : 555