Latest telephone exchanges Tenders | Government telephone exchanges Tenders

Central Government/Public Sector

CTN :45735697

16 Jul, 2026 NA

Multi City - Rajasthan

Tender For auction sale of general scrap/disposables, metallic, non-metallic, useable vehicles, lube / waste oil - e-auction in the gem portal on 15jul2026 for 10500 kgs of ewaste ( scrap telephone exchanges, used landline telephones, medical diagnostics equipments like , ventilator, dental examination table, ecg meter etc as well as scrap ambassador car, jeep & truck etc and scrap rotor & stators of hcl kcc

Central Government And Public Sector

CTN :45531972

06 Jul, 2026 1.99 Lacs

Dhenkanal - Odisha

Tender For corrigendum : fault attending and repairing of automatic voltage regulators (avrs) at various telephone exchanges and mobile bts sites under dhenkanal ba for the fy 2026-27(sw-different sites at te bts keonjhar ssa)

Central Government And Public Sector

CTN :45531973

06 Jul, 2026 1.99 Lacs

Keonjhar - Odisha

Tender For corrigendum : fault attending and repairing of automatic voltage regulators (avrs) at various telephone exchanges and mobile bts sites under balasore ba for the fy 2026-27(sw-different sites at te bts under balasore and baripada ssa)

Central Government And Public Sector

CTN :45531977

06 Jul, 2026 1.99 Lacs

Dhenkanal - Odisha

Tender For corrigendum : fault attending and repairing of automatic voltage regulators (avrs) at various telephone exchanges and mobile bts sites under dhenkanal ba for the fy 2026-27(sw-different sites at te bts dhenkanal ssa)

Central Government And Public Sector

CTN :45468926

19 Jun, 2026 NA

Hyderabad-T - Telangana

Tender For corrigendum : providing of repair, maintenance, and installation of plant/ systems/equipments (version 2) - bsnl telephone exchanges; power generators; as per atc

CTN :45535219

20 Jun, 2026 NA

Krishnagiri - Tamil Nadu

Tender For purchase of ece department lab electronics equipments - equipments for ece, dual output regulated dc variable power supplyinput voltage : 230v/50hz acoutput voltage :(0-30)v dcoutput current :(0-2)a dcprotection circuit : over voltage, over current, and short-circuit protectionhigh efficiency : greater than 85%low ripple and noise : less than 50 mvdigital display, function (signal) generatorspecs:frequency range : 0.1hz to 5mhzdisplay :4 to 6 digit led displayoutput waveforms : sine, triangle, square, pulse, rampamplitude :0-20 vpprise time :100 nsdistortion : 1% within specified frequency rangepower supply : 230v ac 10% , 50-60 hzoutput amplifier protection : short circuit and 15voverload protectiondc offset: 0 to 10 v adjustableattenuation: 0 to -60 db, decade resistance box range : 1 to 1m rotary switch selection with 6 dialssteps : 1 , 10 , 100 , 1k , 10 k , 1m accuracy : 1%, decade capacitance box range : 100 pf to 100 frotary switch selection with 6 dialsmaximum voltage : 350vaccuracy : 1%, decade inductance box range : 10 h to 10 hrotary switch selection with 6 dialslow-loss inductorsaccuracy : 1%, sim reader trainer kitpower supply :operates on 230v ac 10%, 50hz mains supplybuilt-in regulated smps power supplyoperating dc supply : 5v/12v with overload and short-circuit protectionsim card interface :supports gsm sim cards compatible with 2g / 3g / 4g / 5g networkssim card read/write interfacesupports sim card initialization, authentication and communication functionscompatible with standard 6-pin / 8-pin sim card socketscommunication interface :usb 2.0 interface for pc communicationrs-232 serial communication interfaceuart communication facility for embedded system interfacingsim operating parameters :selectable sim clock frequencies3.579 mhz7.159 mhz14.318 mhzsim supply voltage selection facilitysim reset and activation controlsupported protocols and standards :gsm etsi 07.07 and etsi 07.05 at command supportiso/iec 7816 smart card communication supportsim communication command monitoring facilityhardware features :on-board sim card socketled indication for :power statussim detectionreset activityuser manualutility software cd / downloadable software packagedata transmission/receptionbuilt-in keypad for standalone operation.lcd display module (128 64) for menu and status display.on-board microcontroller-based control section.software support:at command execution and monitoring software.sim manager utility software.data logging and communication terminal utility.pc-based gui software for sim data communication experiments.trainer features:fault simulation facility for troubleshooting experiments.simulation of faults such as:sim not detectedclock failurevcc failurereset failuremultiple on-board test points for signal observation.test points for:sim rstsim_clksim iovccuart tx/rxsuitable for cro/dso signal monitoring.glass epoxy pcb with educational block diagram layout.compact tabletop enclosed cabinet design.construction:front panel with printed block diagram.banana test points and patching facility.standard accessories:gsm sim trainer unit.usb communication cable.rs-232 communication cable.power cord., microwave test bench with reflex klystron oscillatormicrowave source :relex klystron tube with klystron mountoperating frequency in x-band (8.2ghz to 12.4ghz)electronic tuning through repeller voltage controlsuitable for cw microwave generationklystron powersupply:regulated klystron power supply unitbuilt-in modulation facilityoverload and short circuit protectionoperates on 230v ac 10%, 50hz mains supplywaveguide components:isolator variable attenuatorfrequency meterslotted line section with tunable probecrystal detector mountmatched loadmovable short / terminationwaveguide stands and accessoriesmeasurement unit:solid state vswr meter with high sensitivityswr measurement facilitysuitable for detector output monitoringtechnical specification :frequency range : 8.2 ghz to 12.4 ghzwaveguide types : wr-90detector type : crys

CTN :45240117

22 Jun, 2026 NA

Bilaspur - Chhattisgarh

Tender For corrigendum : supply of biosafety cabinet (q2) , refrigerated centrifuge for general and research purpose (q3) , medical centrifuge (q3) , gel documentation system (q2) , deep freezer (q2) , water baths (q3) , auloclave-1 , autoclave-2 , bod incubator-1 , bod incubator-2 , data logger -80c, -20c , data logger - 80c, -20c, plus 4c 2no , elisa plate reader-1 , elisa plate reader-2 , elisa plate reader-3 , elisa plate washer-1 , elisa plate washer-2 , elisa plate washer-3 , floater rack , gel electrophoresis , gel electrophoresis and documentation unit , gel electrophoresis anddocumentation unit , laminar air vertical flow system , ice buckets , ice flaker machine , label printer , label printer brady printer , laboratory incubator , laboratory rocker and shaker , laminar air flow horizontal , laminar air vertical flow 2 feet , magnetic stirrer-1 , magnetic stirrer-2 , magnetic stirrer-3 , micro pipette 0.5 - 10 ul , micro pipette 10 - 100 ul , micro pipette 100 - 1000 ul , micro pipette 2 - 20 ul , micro pipette 20 - 200 ul , micropipettes , microwave oven for agarose gel , microwave oven for agarose gels , multi channerl 30 - 300 ul , multifunctional copier or printer or scannerfor office work , pan electronic weighing balance-1 , pan electronic weighing balance-2 , pcr workstation , ph meter , quick spin , quick spinner-1 , quick spinner-2 , quickspin for 1.5, 2ml tubes. pcr tubes and plates , refrigerated micro centrifuge , refrigerated microfuge , refrigerator , refrigerator sample receiving , themo cycler-3 , themocycler-2 , thermo cycler-1 , timer-1 , timer-2 , ultrapure water system , unichannel and multichannel pipettes , uv dosimeter-1 , uv dosimeter-2 , uv dosimeter- 3 , vortex mixer-1 , vortex mixer-2 ) /bid number : gem/2026/b/7544629 * /dated: 18-05-2026 & & / bid document 1 / 69

CTN :45516001

20 Jun, 2026 NA

Krishnagiri - Tamil Nadu

Tender For purchase of ece lab electronics equipments - equipments for ece, dual output regulated dc variable power supplyinput voltage : 230v/50hz acoutput voltage :(0-30)v dcoutput current :(0-2)a dcprotection circuit : over voltage, over current, and short-circuit protectionhigh efficiency : greater than 85%low ripple and noise : less than 50 mvdigital display, function (signal) generatorspecs:frequency range : 0.1hz to 5mhzdisplay :4 to 6 digit led displayoutput waveforms : sine, triangle, square, pulse, rampamplitude :0-20 vpprise time :100 nsdistortion : 1% within specified frequency rangepower supply : 230v ac 10% , 50-60 hzoutput amplifier protection : short circuit and 15voverload protectiondc offset: 0 to 10 v adjustableattenuation: 0 to -60 db, decade resistance box range : 1 to 1m rotary switch selection with 6 dialssteps : 1 , 10 , 100 , 1k , 10 k , 1m accuracy : 1%, decade capacitance box range : 100 pf to 100 frotary switch selection with 6 dialsmaximum voltage : 350vaccuracy : 1%, decade inductance box range : 10 h to 10 hrotary switch selection with 6 dialslow-loss inductorsaccuracy : 1%, sim reader trainer kitpower supply :operates on 230v ac 10%, 50hz mains supplybuilt-in regulated smps power supplyoperating dc supply : 5v/12v with overload and short-circuit protectionsim card interface :supports gsm sim cards compatible with 2g / 3g / 4g / 5g networkssim card read/write interfacesupports sim card initialization, authentication and communication functionscompatible with standard 6-pin / 8-pin sim card socketscommunication interface :usb 2.0 interface for pc communicationrs-232 serial communication interfaceuart communication facility for embedded system interfacingsim operating parameters :selectable sim clock frequencies3.579 mhz7.159 mhz14.318 mhzsim supply voltage selection facilitysim reset and activation controlsupported protocols and standards :gsm etsi 07.07 and etsi 07.05 at command supportiso/iec 7816 smart card communication supportsim communication command monitoring facilityhardware features :on-board sim card socketled indication for :power statussim detectionreset activityuser manualutility software cd / downloadable software packagedata transmission/receptionbuilt-in keypad for standalone operation.lcd display module (128 64) for menu and status display.on-board microcontroller-based control section.software support:at command execution and monitoring software.sim manager utility software.data logging and communication terminal utility.pc-based gui software for sim data communication experiments.trainer features:fault simulation facility for troubleshooting experiments.simulation of faults such as:sim not detectedclock failurevcc failurereset failuremultiple on-board test points for signal observation.test points for:sim rstsim_clksim iovccuart tx/rxsuitable for cro/dso signal monitoring.glass epoxy pcb with educational block diagram layout.compact tabletop enclosed cabinet design.construction:front panel with printed block diagram.banana test points and patching facility.standard accessories:gsm sim trainer unit.usb communication cable.rs-232 communication cable.power cord., microwave test bench with reflex klystron oscillatormicrowave source :relex klystron tube with klystron mountoperating frequency in x-band (8.2ghz to 12.4ghz)electronic tuning through repeller voltage controlsuitable for cw microwave generationklystron powersupply:regulated klystron power supply unitbuilt-in modulation facilityoverload and short circuit protectionoperates on 230v ac 10%, 50hz mains supplywaveguide components:isolator variable attenuatorfrequency meterslotted line section with tunable probecrystal detector mountmatched loadmovable short / terminationwaveguide stands and accessoriesmeasurement unit:solid state vswr meter with high sensitivityswr measurement facilitysuitable for detector output monitoringtechnical specification :frequency range : 8.2 ghz to 12.4 ghzwaveguide types : wr-90detector type : crystal detecto

Central Government And Public Sector

CTN :45421160

24 Jun, 2026 NA

Jhansi - Uttar Pradesh

Tender For providing of facility management services - lumpsum based - major telephone exchanges at jhansi oa; care taking and upkeep of major exchange telecom sites, operation and monitoring of electromechanical assets(e/a set, water pumps, compound light, window/ split a..

Central Government/Public Sector

CTN :45390454

19 Jun, 2026 NA

Ambala - Haryana

Tender For replacement of outlived digital electronic telephone exchanges with ip based digital electronic telephone exchanges at saharanpur, jagadhari workshop, dhuri, patiala, rajpura, sirhind, roopnagar, nangal dam, chandigarh, kalka, bathinda, shimla & ambala cantt railway stations over umb division.

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