Latest listening device Tenders | Government listening device Tenders

Central Government / Public Sector

CTN :43070182

26 Dec, 2025 26.66 Lacs

Chennai - Tamil Nadu

Tender For supply of laser projector,customised adjustable ceiling mount kit,fiber glass mw tubular motorized screen with rf remote,98inch professional 4k display with wall mount bracket,i5 desktop pc with intel core i5,customised wooden podium,hdmi extender over ethernet cable with hdmi patch cables,4k hdmi matrix switch with analog and digital breakout audio,audio digital signal processor,wireless handheld and head worn microphones with transmitter and receiver set,podium mic with gooseneck length 18 inch,wall speaker 100 watt power handling,8 channel amplifier with 120w per channel,speaker cable with pvc pipe casing and accessories,22u equipment rack with 5apower module tray and mounting accessories,cat 6 cable box,audio cables control cables patch cables and connectors,audio dsp with touchpanel control programming charges,annual maintanence contract for bosch conference system,annual maintanence contract for poly video conference system,installation and commissioning charges

CTN :43048013

13 Dec, 2025 NA

Salem - Tamil Nadu

Tender For supply of sensors and actuators lab equipments - temperature measurement trainer kit 3 transducers-temperature measurement using iron/constantan thermocouple with cold compensation, using rtd and using thermistor- amplifier, constant current source- 31/2 digit display to view the temperature- built in power supplies & - legend printed in the pcb- necessary test points & - wooden closed cabinet- detailed instruction manual, behaviour of inductive and capacitive proximity sensors-inductive and capacitive proximity sensor mounted on board- proximity sensors pins terminated in terminals & - dc 24v build power supply & - buzzer and relay pins terminated in terminals & wooden closed cabinet & detailed instruction manual, displacement measurement using lvdt- lvdt range 10 mm & - screw gauge to move the core in lvdt- ac signal source, phase sensitive detector and instrumentation amplifiers & - 31/2 digit display to view displacement- test points to measure the signals & - built in power supplies- legend printed in the pcb & - wooden closed cabinet- detailed instruction manual, ldr vi characteristic and measure speed of the dc motor using optical sensor- 24v dc motor & - variable speed circuit & - slotted plate fitted in the shaft of the motor & - opto interrupter to sense the slot to use the speed of dc motor & measured the pulse & - frequency to voltage converter circuit & - digital display to display the speed- built in power supply and wooden cabinet, performance of ultrasonic sensor and moisture sensor- arduino uno board & - ultrasonic sensor & - moisture sensor- 16*2 lcd display & - the moisture and distance can be visualized in lcd display & - serial communication in pc- supporting program and usb cable and necessary patch cardwill be provided & - built in power supplies & - necessary test points & - wooden closed cabinet & - detailed instruction manual, behaviour of transistor as a switch- on/off control on dc motor using & - push button & - single pole single through (spdt) & - single pole double through (dpdt) & - limit switch & - transistor as a switch & - relay switch- built in power supplies & - necessary test points & - wooden closed cabinet & - detailed instruction manual, forward and reverse control of three phase ac motor- 2 nos. of 3 phase 16a main contactors & - 3 phase input, fuses- stop, start fwd, start rev, push switches & - control inputs and outputs wiring & - indication of forward and reverse operation- proper termination for 3 hp cage motor & - wooden closed cabinet, pneumatic circuit for double acting cylinder trainer kit consisting of- 2 feet x 2 feet hylam panel & - supporting stand & - frl with base 1 no. & - hand slide valve with base 1 no.- double acting cylinder 25mmx100mm with base 1 no.- 5/2 solenoid valve valve 24v with base 1 no. & - flow control valves with base 2 nos. & - necessary plugs and cable- switch module 1no & - 24v, 2a power supply- without air compressor, servo motor control with an arduino shield- arduino uno board & - mg90s servo motor & - 16*2 lcd display- sweeps the shaft of servo motor back and forth across 180 degree & - potentiometer value and shaft position visualized in lcd display & - serial communication in pc- supporting program and usb cable and necessary patch card will be & provided & - built in power supplies, necessary test points- wooden closed cabinet, detailed instruction manual

CTN :43028807

26 Dec, 2025 NA

Thane - Maharashtra

Tender For supply of m/s. siemens make spares parts for pcms system - simatic s7-300, digital input sm 321, isolated 32 di, 24 v dc, 1x 40-pole, simatic s7-300, digital output sm 322, isolated, 32 do, 24 v dc, 0.5a, 1x 40-pole, total current 4 a/group (16 a/module) digital output module, simatic s7-300, digital output sm 322 high speed, isolated, 16 do, 24 v dc, 0.5a, 1x 20-pole digital output module, simatic s7-300, analog input sm 331, isolated, 8 ai; +/-5/10v, 1-5 v, +/-20 ma, 0/4 to 20 ma, 16 bit (55ms), single rooting (50 v com.), 1x 40-pole analog input module, simatic s7-300, analog output sm 332, isolated, 8 ao, u/i; diagnostics; resolution 11/12 bits, 40-pole, removing and inserting possible with active backplane bus analog output module, simatic dp, connection et 200m im 153-2 high feature for max. 12 s7-300 modules with redundancy capability, timestamping suitable for isochronous mode new features: up to 12 modules can be used slave initiative for drive es and switch es, expanded quantity structure for hart auxiliary variables operation of the 64-channel modules 32 signals/slot +++observe compatibility notes in manual+++, simatic dp, dp/dp coupler coupling module for connecting of two profibus dp networks redundant current infeed dp dp coupler, simatic s7-300 cpu 317-2 pn/dp, central processing unit with 1 mb work memory, 1st interface mpi/dp 12 mbit/s, 2nd interface ethernet profinet, with 2-port switch, micro memory card required 3 cpu 317, simatic s7-300, front connector with screw contacts, 40-pole front connector 40p, simatic s7-300, front connector for signal modules with screw contacts, 20-pole front connector 20p, simatic s7-300 cpu 315-2 pn/dp, central processing unit with 384 kb work memory, 1st interface mpi/dp 12 mbit/s, 2nd interface ethernet profinet, with 12-port switch cpu 315, 2 scalance, managed, ie switch, 8x 10/100 mbit/s rj45 ports, led diagnostics, error-signaling contact with set pushbutton, redundant power supply, profinet io device, network management, redundancy manager integrated, incl., sectron, manual on cd com, c-plug optional, wetwork switch, imatic s7-300, cp341 communications, rocessor with rs422/485 terface incl, wonfiguration package on, cd cp341 comm, rocessor, 7 300 mounting rail, em, imatic s7-300, digital aput sm 321, isolated 32 01, 24 v dc, 1x 40-pole, imatic s7-300, digital, utput sm 322, isolated, 2 do, 24 v dc, 0.5a, 1x 0-pole, total current 4 /group (16 a/module) digital output module, imatic 57-300, digital utput sm 322 high peed, isolated, 16 do, 24 dc, 0.5a, 1x 20-pole digital output module, imatic s7-300, analog put sm 331, isolated, b 1; +/-5/10v, 1-5 v, +/-20 1a, 0/4 to 20 ma, 16 bit 55ms), single rooting (50) com.), ix 40-pole analog input module, imatic s7-300, analog utput sm 332, isolated, 8 o, u/l; diagnostics; esolution 11/12 bits, 40-ole, removing and serting possible with ctive backplane bus analog output module, simatic dp, connection et 200m im 53-2 high feature for пах. 12 57-300 modules with redundancy apability, timestamping mitable for isochronous, mode new features: up to 12 modules can be used slave initiative for drive es and switch es expanded quantity structure for hart jauxiliary variables operation of the 64-channel modules 32 signals/slot observe compatibility notes in manual..., simatic dp, dp/dp coupler coupling module for connecting of two profibus dp networks redundant current infeed dp dp coupler, simatic s7-300 cpu 317-2 pn/dp, central processing unit with 1 mb work memory, ist interface mpi/dp 12 mhit/s, 2nd interface ethernet profinet, with 2-port switch, micro memory card required cpu 317, simatic s7-300, front connector with screw contacts, 40-pole front connector 40p, simatic 57-300, front connector for signal modules with screw contacts, 20-pole front connector 20p., simatic s7-300 cpu 315-2 pn/dp, central processing unit with 384 kb work memory, 1st interface mpi/dp: 12 mbit/s, 2nd interface ethernet profinet, with 12-port switch cpu 315, 2 s

CTN :43032926

24 Dec, 2025 4.91 Crore

Idukki - Kerala

Tender For supply of integrated communication visualization and power infrastructure system-- rack mountable bidirectional voice communication server system , structured cabling and optical transmission backbone for server integration , outdoor intelligent imaging system with motorized varifocal lens and video analytics , high resolution imaging device with motorized zoom lens and pan tilt adaptability , visual data storage and management system , enterprisegrade rack server with integrated storage device licensing and preconfigured software , high performance copper and fiber optic cabling for gigabit ethernet applications , unified monitoring and visual intelligence infrastructure , 8 port expansion module , modular express starter shelf assembly kit , rectifier power distribution shelf , rectifier module , rectifier control unit with integrated display , ethernet switches for network connectivity , ultra narrow bezel display wall with integrated control , structured cabling and switching system , rack mountable uninterruptible power supply , led display panels with control system power signal cabling and mounting framework , advanced audio visual signal processing and conferencing system , networked encoder and decoder , installation and commissioning ) /bid number: gem/2025/b/6914004 * /dated: 03-12-2025 & & / bid document1 / 22

CTN :42901834

09 Dec, 2025 NA

Coimbatore - Tamil Nadu

Tender For purchase of equipments - purchase of equipment, 1. configuration design an 8-channel battery analyzer and its accessories 2. power 425 w3. voltage measuring range: 25 mv to 5 v, discharge minimum voltage: 0v or better, accuracy: 0.05% of fs4. current range: 0.5 ma to 6 a, accuracy: 0.05% of fs or better 5. power per channel output power: 30w, stability; +/- 0.1% of fs or better6. time rise time: 1ms (0~full range)7. frequency 10hz8. charge mode of operation: cc, cv, cccv, cp end conditions: voltage, current, relative time, capacity.9. discharge mode of operation: cc, cv, cp, cr, end conditions: voltage, current, test time, capacity, energy.10. pulse mode charge: cp mode, cc mode, discharge: cc mode, cp mode, min pulse width: 500ms, automated switch: automated switch from charge to discharge for each pulse end condition: voltage, relative time11. dcir support for the calculation of the point of the dcir12. cycle cycles: 1 65500 or better, steps: 250 or better, nested function: max three levels of loops13. protective function software, power-down data protection, user-defined safety (upper and lower) tolerance of current, voltage, and delay time14. channel features independent pairs of closed loops for the constant current source and constant-voltage source15. test reports and curves for analysis different types of curves created by software based on user definition. (voltage-time curve, current-time curve, capacity-voltage curve, loops times charge/discharge capacity curve, loops times charge/ discharge efficiency curve, etc.), data reports created by the software. comparison of the performance of the batteries tested in channels, both visually and statistically16. channels independent control17. ac input ac 220v 10% / 50hz 18. voltage and current testing sample 4 wire connecting 19. noise 85db20. data management mysql database21. communication means tcp/ip protocol22. data output excel, txt23. communication interface ethernet port24. number of channels per cabinet 825. accessories: 1. bi-potentiostat: electrochemical workstation or moduletechniques the system should be capable of running the rde / rrde technique simultaneously cyclic voltammetry (cv) with simulation/fitting programs linear sweep voltammetry (lsv) with stripping bulk electrolysis with coulometry (be) differential pulse voltammetry (dpv) with stripping normal pulse voltammetry (npv) with stripping tafel plot (tafel), potentiodynamic deactivation, pitting corrosion, corrosion rate, linear polarization, corrosion current, etc. multi-current steps (istep) amperometric i-t curve (i-t) lifetime testing open circuit potential time (ocpt) chrono amperometry (ca) chrono coulometry (cc) chronopotentiometry with current ramp (cpcr) potentiometric stripping analysis (psa) auxiliary signal measurement channel ir compensation external potential input galvanostatic charge discharge single/multiple cycle -chrono potentiometry (cp) with potential limits, polarity by potential or time, no. of cycles etc. voltage vs current density curves single or multiple potential steps with charge limits, single or multiple current steps, mixed voltage/current control using macro. i-v measurements, i max, pmax, fill factor, etc.impedance ac impedance (imp) 10 hz to 3mhz impedance time (impt) (mott-schottky) impedance potential (impe) impedance simulator with fitting open circuit potential time (ocpt)hardware specification of bi-potentiostat workstation/ module: potentiostat / galvanostat module, 2- or 3- or 4-electrode configuration maximum potential: 10v, maximum current: 250 ma peak or better and 2 amps with +/-25 volts for higher current measurement. compliance voltage: > 13v or better, potentiostat rise time: 300 ns or better galvanostat applied current range: 3na to +/- 100ma or better and upto 2 amps applied current accuracy: 20 pa or better input bias current: 1 pa or better cv and lsv scan rate: 0.000001 to 10,000 v/s. ca and cc pulse width: 0.0001 to 1000 sec imp frequency: 0.00001 t

CTN :42965685

12 Dec, 2025 NA

Goa - Goa

Tender For supply of aerodynamic shaped broadband monopole antenna , oats radiated emission measurement antenna , non-resonant dipole antenna long-wire configuration , broadside array for fm tower-mounted array , half wave resonant antenna , resonant antenna with parallel stub , wban antenna , circular coil with active impedance transformer , circular polarized antenna , ungrounded loop antenna , quadrifilar helix , military handheld manpack antenna , wideband array antenna , military mobile antenna , wide impedance end fire antenna , los array antenna , aperture antenna with primary reflector , parasitic array antenna , satellite constellation antenna , rfid antenna and tags for smart system , antenna with ptfe enclosure , pico cell antenna , stealth antenna for uhf , bts tower sector antenna , high altitude reflector antenna , cell site repeater antenna , geo special gps antenna , omni mobile antenna , wan antenna , ism band patch antenna , low power tacky antenna , signal analyser terminal , spectrum analyser tx rx sdr module , configuration table with spares and tools , informative boards , mounting masts , junction box , installation and commissioning ) /bid number: gem/2025/b/6786018 * /dated: 28-11-2025 & & / bid document1 / 33

CTN :42951664

08 Dec, 2025 92.0 Thousand

Jaipur - Rajasthan

Tender For supply of esp32 38pin development board wifi bluetooth , 200w 20a dc dc buck converter and control , three wire dc voltmeter , mini mts toggle switch , aluminum heat sink for high power , buck adjustable dc step , cooling fan power supply , patch antenna for gsm , n m to sma adapter , high quality silicone wire black , high quality silicone wire red , 4 channel isolated 5v 10 relay module , male to male jumper , female to female jumper , male to female jumper , amas female connector , amas male connector with housing , red ac dc 24v power pilot lamp , pro range battery pack , amass xt 60 female connector , battery charger 12s lfp connector , yellow ac220v signal indicator , shivroh star teeth grip nylon self cable , san disk ultra 64gb micro sdxc uhs i , themisto ipa iso propyl rubbing alcohol , electronic nipper 07 copper aluminum wire , 3an telecom sma f to sma f bulkhead , porta pack h2 for hack rf one , nisinlife 9dbi whip antenna sucker , nisdeal6dbi sma male high gain scuker , ez living 2 in 1 multicolor 560pcs wire , 4g 700mhz 2700mhz 2 3 4 g antenna , mastech mas830l digital pocket multimeter

CTN :42812768

09 Dec, 2025 NA

Noida - Uttar Pradesh

Tender For supply of electrical and plumbing items d d - bulb holder pin type , bulb led 9 watt , bulb led 0. 5 watt , bulb led 18 watt , ceiling light 8 round , ceiling light 6 round , ceiling light 24 x24 square , capacitor 3. 15mfd , capacitor 2. 5mfd , capacitor 1. 5mfd , fan regulator 1 module , switch 6a modular , switch 6 amp ordinary , switch 16 amp modular , switch 16 amp ordinary , socket 16 amp modular , socket 16 amp ordinary , switch board sheet modular 12 m , switch board sheet modular 8 m , switch board sheet modular 6 m , switch board sheet modular 4 m , switch board sheet modular 3 m , metal gang box 6 module , metal gang box 4 module , metal gang box 3 module , 3 pin top 6 amp , 3 pin top 16 amp , tube light 4 feet 20 watt , tube light 2 feet 10 watt , mcb 32 amp single pole modular , mcb 10 amp single pole , mcb 16 amp signal pole , mcb 25 amp single pole , mcb 32 amp single pole , mcb 40 amp double pole , mcb 63 amp four pole , screw driver 12 , cutting player , switch socket combined box 16 amp , extension board , pvc tape roll , insulation friction cotton tape , switch blank , tank ballcock 1 inch , tank ballcock 3 or 4 inch , tank ballcock 1 or 2 inch , toilet flush tank ballcock 1 or 2 inch , cascade seat ballcock 1 or 2 inch , pvc connection pipe 2 feet , jet pressure set toilet , angle valve 1 or 2 inch , pillar cock long nack , round cascade rubberised toilet fitting screw brass , sink jali 4 inch , sink jali 3 inch , sink jali 1. 25 inch , pvc waste pipe , shower head 1 or 2 inch , english toilet seat flush tank syphon , cascade toilet seat syphon , concealed stop cock brass 1 or 2 inch , center hole basin mixer brass , chand set for wash basin mixer brass , long body tap brass , cpvc socket 2 inch , cpvc socket 1 inch , cpvc socket 3 or 4 inch , cpvc socket 1 or 2 inch , cpvc union 1. 25 inch , cpvc union 1 inch , cpvc union 3 or 4 inch , cpvc plain elbow 1 inch , cpvc plain elbow 3 or 4 inch , cpvc plain elbow 1 or 2 inch , cpvc plain tee 1 inch , cpvc plain tee 3 or 4 inch , cpvc plain tee 1 or 2 inch , mta male type brass 1 or 2 inch to 1 or 2 inch , mta male type brass 1 or 2 inch to 3 or 4 inch , mta male type bass 1 inch to 1 inch , femal threaded elbow 1 or 2 by 1 or 2 inch brass insert , femal tee 1 or 2 by 1 or 2 inch brass insert , cpvc tank nipple 1 inch , cpvc tank nipple 3 or 4 inch , gi sockt 1 inch , gi socket 3 or 4 inch , cpvc gate wall 1 inch , fta femal type brass 3 or 4 to 1 or 2 inch , extension nipal 2 inch brass , extension nipal 1 inch brass , teflon tape , water tank lid 2000 ltr. , water tank lid 500 ltr. , cpvc solvent 100 gram , pvc connecton washer , gi nipple 16mm 3 inch long , gi nipple 16mm 2 inch long , gi tee 1 or 2 inch , cpvc pipe 16mm , cpvc pipe 20mm , cpvc pipe 25mm , floor jali 3 inch , floor jali 4 inch , water tap phase 5 no. brass 16mm , water tap phase 4 no. brass 16mm , water tap phase 3 no. brass 16mm , water tap phase half turn brass 16mm , water tap phase jaquar 3 or 4 inch , cascade toilet seat hinge , m seal

Central Government/Public Sector

CTN :42810595

12 Dec, 2025 NA

Multi City - Multi State

Tender For call for quotation for equipment -laser cutter ,vinyl cutter, 3d printer ,3d scanner, cnc router ,mini desktop lathe cum milling, drilling m/c 1 hp motor, handheld high speed drilling m/c-15000 rpm with accessories, solder stations, advanced, motorized sewing machineadvanced, motorized sewing machine, wood lathe ,power tools, portable welding m/c ,refrigerator normal and ,microwave oven ,,magnifying glass with stand ,digital microscope ,mixed signal oscilloscope, esp32 cam development board wifi+bluetoot h with ov2640 camera module (5 sets), solnoi electronics raspberry pi 3 camera module night vision camera 5 sets)

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