bids are invited for layer - access switch (q2) , layer 2 access switch (v2) (q2) total quantity : 3; list of categories where trials are allowed:  simulators  ships propulsion machinery, radars and sensors, navigaɵon equipment, communicaɵon equipment, ro plants, compressors, cranes, boats, pilotless target aircraō, pumps, dehumidifiers etc.  aircraō engine/generator/flight deck equipment/air condiɵoning system/radars  tank engine/ generator/ air condiɵoning system  bullet proof helmet, bullet resistance jacket  drones  all-terrain vehicles (atv)  communicaɵon equipment for defense: radio sets: o hf/vhf/fm manpack radio o vehicle radio set tacɵcal communicaɵon systems: o soōware defined radio (sdr) systems o vhf/uhf tacɵcal communicaɵon systems o handheld satellite phones (e.g., iridium) o combat net radio (cnr) systems satellite communicaɵon systems: o very small aperture terminal (vsat) systems o satellite phones o mobile satellite communicaɵon systems command and control systems: o baʃlefield management systems (bms) o tacɵcal data links o encrypɵon devices (e.g., vinbax) o surveillance and reconnaissance communicaɵon: o unmanned aerial vehicle (uav) communicaɵon systems o ground control staɵons (gcs) for uavs o remote video terminals (rvts) electronic warfare (ew) communicaɵon: o ew communicaɵon jamming systems o communicaɵon intelligence (comint) systems network infrastructure: o field deployable communicaɵon nodes o tacɵcal communicaɵon switches o mobile communicaɵon shelters navigaɵon and posiɵoning systems: o gps receivers o navigaɵon systems for vehicles and personnel specialized communicaɵon equipment: o underwater communicaɵon systems o special forces communicaɵon gear o mountain warfare communicaɵon equipment  contaminaɵon monitor  fiber reinforced plasɵc boat with motor (ribs)  bukhari improved version  fire fighɵng equipments as per dgqa specificaɵons  vicɵm locaɵon system with breaching system  hdpe boats  pontoon boats  medical equipment  engineering and mining equipment for bomb disposal units:  modular protecɵon vehicles  high alɵtude clothing including snow boots