Latest telephone management system Tenders | Government telephone management system Tenders

CTN :41761950

19 Sep, 2025 NA

Villupuram - Tamil Nadu

Tender For purchase of lab equipments for ece department - 1040233540 linear integrated circuit details, generate square wave using op-amp ic741., generate triangular wave using op-amp ic741., test the performance of mono stable multi vibrator using ic 555 timer., test the performance of schmitt trigger using ic 555timer., 1040235130 advanced communication systems details, study the working of sim card in gsm handset and sim card detection., 1040235440 embedded systems details, design of raspberry pi pico based traffic light control system, design of raspberry pi pico based temperature monitoring system, design of raspberry pi pico based motor speed control systems, 1030235543 - control of electrical machines lab, projector with screen (6 * 4 wall mount), ceiling mount, hdmi cable 15 meter, power cable 15 meter

State Government

CTN :41795304

18 Sep, 2025 1.99 Crore

Lucknow - Uttar Pradesh

Tender For comprehensive annual maintenance contract (camc) and operation of bosch, christie, kramer and delta make communication system (audio and video equipments) installed in lok bhawan sachivalaya

CTN :41678396

18 Sep, 2025 NA

Chennai - Tamil Nadu

Tender For power electronics lab equipments - power elctronics lab equipments, line synchronized ramp trigger circuit using ujt with ac load to measure firing angles kitujt relaxation oscillator circuit, provision to add dc pedestal voltage to the capacitor in the circuit, triggering circuit fo r2scrs using pulse transformer, measure the phase angle of load, 24v lamp ac load using 2scrs, builtin power supply, scr commutation circuit kit" provision to charge the capacitance which will be used for voltage commutation, built in power supplies , class a,b commutation circuits", single phase to single phase cyclo converter kit"cyclo converter with divide by 2 supply frequency and divide by 3 frequency, +ve and ve polarity zero crossing detectors using optocouplers, decade counters to generate required control signals, isolated 4nos. of dc power supplies to trigger the scrs, triggering circuits to trigger the power scrs, power circuit using center tapped transformer, power circuit using 4scrs and12v-0-12v power transformer and resistive load, built in power supply", pwm based step down dc chopper using mosfet/igbt kit"pwm ic controller-based step down chopper, output voltage vs dutycycle, load characteristics without feedback, load characteristics with feedback, output voltage vs input voltage with feedback, built in power supply", single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kitsinglepulse 50 hz clock generation, variable duty cycle generation on both half cycles, h bridge power circuit using 4nos. of mosfets, 4nos. of individual power supply for gate trigger circuit, built in power supply, on / off control of lamp using solid state relay kit"input switch to control the lamp on/off using solid state relay, one ssr module to test with lamp load, builtin power supplies", speed control of ac motor using vfd drive"adjustable v/f curve and vector control, keypad and external control of ac motor, builtin modbus (rs-485) pc communication ,suitable for 2hp motor", lamp dimmer circuit using triac kit"variable ac power circuit using triac, diac circuit to trigger thetriac in both half cycles, provision to vary the charging time of capacitor, (changing the phase angle also)for the diac"

CTN :41465391

10 Sep, 2025 NA

Tinsukia - Assam

Tender For bid to ras bid to ras corrigendum : supply of communication equipments for presentations

CTN :41602004

15 Sep, 2025 NA

Netanar - Chhattisgarh

Tender For corrigendum : providing of repair, maintenance, and installation of plant/ systems/equipments (version 2) - annual maintenance contract for communication system in nsl township and cisf barrack for a period of 2 years at 3 mtpa integrated steel plant at nagarnar near jagdalpur..

Central Government/Public Sector

CTN :41692520

25 Sep, 2025 NA

Moradabad - Uttar Pradesh

Tender For repairing of faulty cards of communication equipments(stm,mux,router,modem, 48v charger etc) over moradabad divison

corporations/Associations/Others

CTN :41704621

15 Sep, 2025 55.39 Lacs

Jamnagar - Gujarat

Tender For complete operation and maintenance work for all electrical equipments, all lifts, lighting system, sound system, communication system and epabx system, street light pole, street light control panel, 11 kv d.p. structure, vacuum circuit breaker, air circuit breaker, r.o., water cooler, main stage curtain motor and mechanism, ats panel, led screen, cctv camera, all types of air conditioning system, projectors etc. and all these systems related cabling etc., including all types of material, operation and comprehensive maintenance, preventive maintenance, complete work at m. p. shah municipal townhall for three years. (3d attempt)

Central Government/Public Sector

CTN :41424389

26 Sep, 2025 NA

Bhusawal - Maharashtra

Tender For supply, installation, testing and commissioning of ip-mpls network equipments at various stations of mumbai, pune, solapur, bhusawal and nagpur divisions of central railway for unified communication backbone on indian railways.

Central Government/Public Sector

CTN :41641946

26 Sep, 2025 NA

Bhusawal - Maharashtra

Tender For supply, installation, testing and commissioning of ip-mpls network equipments at various stations of mumbai, pune, solapur, bhusawal and nagpur divisions of central railway for unified communication backbone on indian railways.

State Government

CTN :41602072

18 Sep, 2025 1.67 Lacs

Surendranagar - Gujarat

Tender For providing of repair, maintenance, and installation of plant/ systems/equipments (version 2) - rf communication system including poe, lan cable, antenna,etc. installed at ps-1 to ps-5

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