Latest mobile telephone services Tenders | Government mobile telephone services Tenders

Central Government/Public Sector

CTN :45421414

24 Jun, 2026 NA

Ranga Reddy-T - Telangana

Tender For supply of 3kw, 3 phase frequency converter with controller

Central Government/Public Sector

CTN :45318182

08 Jun, 2026 NA

Visakhapatnam - Andhra Pradesh

Tender For corrigendum : supply of single frequency transducer , trans receiver , display unit , flush mounted transducer steel tank , matching box , water tight junctions boxes, cable connectors, glands, interface converters, power supply converter with auto transfer switch, nmea buffer , transducer cable , special cables , accessories and installation material , on board sapres , special tools , any other items required , documentation , service engineer charges

CTN :45197229

08 Jun, 2026 NA

Chandigarh - Chandigarh

Tender For corrigendum : providing of repair and overhauling service - air compressor 20 gallon 2 stage 9 hp gas (honda); air compressor 20 gallon 2 stage 9 hp gas (honda); yes; buyer premises,repair and overhauling service - nitrogen generating cart (sgnsc) (pd91t1rdml12; nitrogen generating cart (sgnsc) (pd91t1rdml12; yes; buyer premises,repair and overhauling service - hydraulic power cart diesel; hydraulic power cart diesel; yes; buyer premises,repair and overhauling service - test stand hydraulic electric 16699n; test stand hydraulic electric 16699n; yes; buyer premises,repair and overhauling service - diesel gpu 90 kva 400hz dc option tier 3; diesel gpu 90 kva 400hz dc option tier 3; yes; buyer premises,repair and overhauling service - frequency converter (model 45s x 240); frequency converter (model 45s x 240); yes; buyer premises,repair and overhauling service - 28vdc ground power cart (electric) (gpu-400); 28vdc ground power cart (electric) (gpu-400); yes; buyer premises,repair and overhauling service - air conditioning unit, towable tra

CTN :45409621

23 Jun, 2026 NA

Kamrup - Assam

Tender For supply of static frequency converter

CTN :45404144

09 Jun, 2026 NA

Palacode - Tamil Nadu

Tender For supply of equipment for electronics and communication engineering department - supply of equipment for electronics and cmmunication engineering department, 8051 micro controller kit :specification : operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., temperaturemeasurementkitspecification : sensors:rtd (pt-100), thermocouple (fe-k/j-type), and/orthermistor (ntc). display: 3 digit led/lcd digital display(typically 200 mv fsd). temperature source: portable water kettle orheater block. signal conditioning: on-board circuitry foramplification, linearization, and cold junctioncompensation. test points: multiple 2 mm / 4 mm banana socketsfor monitoring input/output signals. power supply: 230 v ac, 50 hz, single-phase. accessories: glass thermometer, 10 k ntcthermistor probe, k-type thermocouple probe,patch cords and user manual., ask modulationanddemodulation kit:specification : message signal1:8-bit variable data,amplitude 5v. message signal 2:debounced data, amplitude low (0) and high (5 v). message signal 3:fixed data 25 khz, 12.5 khz, 6.25 khz, 3.12 khz,amplitude 5 v. carrier signal: sine wave, frequency 200 khz,amplitude 5 v. modulator type: switching modulator using analogswitch / transistor switching ic. demodulator: envelope detector and lpf. comparator: lm311 based. supply voltage (board): +12 v, +5 v dc. supply current: 100 ma minimum. input voltage: 230 v ac, 50 hz. interface connectors: 2 mm banana socket., dth trainer kit:specification :power supply: 200 v to 240 v ac, 50 hz.dish antenna: 1.5 ft aluminium steerable dish antenna.lnb (low noise block down converter): input frequency: ku-band. output frequency: 950 mhz to 1450 mhz. conversion gain: 65 db. noise temperature: 35 k (max).set-top box receiver in trainer form: if frequency: 70 mhz. video bandwidth: 50 hz to 5 mhz. video output level: 1 vpp at 75 load. video polarity: normal/inverted, switch selectable. audio subcarrier frequency:tunable from 5.0 mhz to 8.0 mhz. remote control provided. hdmi cable: 10 m.controls: channel selection. volume control.fault simulation: five built-in simulated faults for troubleshootingexperiments. if signal disconnected. video output fault. audio mute fault. tuner misalignment. rf output interruption.pcb size: 15" 12" with multicolour section-wise blockdiagram.standard accessories: 1.5 ft dish antenna. lnb. trainer pcb. dish connecting wire. audio-video cable. user manual. acrylic cover. hardware materials for assembly of dish antenna.additional features: dth subscription connection withdoordarshanfree channels. free-to-air channel demonstration., fpga trainer kit:specification : must use industry-standard mid-range fpgadevice usb-jtag programmable, compatible withvivado ise (webpack). power supply: 5 v dc through usb or externaladapter. on-board peripherals: leds, switches, pushbuttons, 7-segment display,clock source, gpio /pmod expansion ports, uart, vga / hdmi, usbuartbridge, usb cable. user manual.

Central Government/Public Sector

CTN :45407902

23 Jun, 2026 NA

Bangalore - Karnataka

Tender For supply of 90 kva static frequency converter

Central Government And Public Sector

CTN :45250965

09 Jun, 2026 NA

Angul - Odisha

Tender For corrigendum : supply of demag crane spare , frequency converter

Central Government/Public Sector

CTN :45034339

06 Jun, 2026 NA

Ernakulam - Kerala

Tender For corrigendum : supply of rotary frequency converter system for by531 , onboard spares for rotary frequency converter for by531 , installation and commissioning spares for rotary frequency converter for by531 , documentation for rotary frequency converter for by531 , rotary frequency converter system for by532 , onboard spares for rotary frequency converter for by532 , installation and commissioning spares for rotary frequency converter for by532 , documentation for rotary frequency converter for by532 , rotary frequency converter system for by533 , onboard spares for rotary frequency converter for by533 , installation and commissioning spares for rotary frequency converter for by533 , documentation for rotary frequency converter for by533 , rotary frequency converter system for by534 , onboard spares for rotary frequency converter for by534 , installation and commissioning spares for rotary frequency converter for by534 , documentation for rotary frequency converter for by534 , rotary frequency converter system for by535 , onboard spares for rotary frequency converter for by535 , installation and commissioning spares for rotary frequency converter for by535 , documentation for rotary frequency converter for by535 , rotary frequency converter system for by536 , onboard spares for rotary frequency converter for by536 , installation and commissioning spares for rotary frequency converter for by536 , documentation for rotary frequency converter for by536 , installation and commissioning charges for by531 , training charges for by531 , installation and commissioning charges for by532 , training charges for by532 , installation and commissioning charges for by533 , training charges for by533 , installation and commissioning charges for by534 , training charges for by534 , installation and commissioning charges for by535 , training charges for by535 , installation and commissioning charges for by536 , training charges for by536

CTN :45363413

15 Jun, 2026 NA

Tiruchirappalli - Tamil Nadu

Tender For supply of euipments for ece lab - ece laboratory, dth trainer kit power supply 200v to 240v ac, 50hz, dish antenna 1.5 aluminum steerable, lnb low noise block down converter input frequency ku band.output frequency 950 to 1450 mhz. conversion gain 65 db. noise temp 35 degree k max. set top box receiver in trainer form if frequency 70 mhz.video bandwidth 50 hz to 5 mhz. video output level 1 vpp at 75 ohm load video polarity normal and or inverted switch selectable audio sub carrier frequency tunable from 5.0 to 8.0 mhz. r.f output channel no 2 uplink satellite insat 4a controls channel selecting, volume, faults 5 no. pcb size 15"x12" with block diagram in multicolor section wise standard accessories dish antenna1.5 feet,lnb,trainer pcb,dish connecting wire, audio-video cable,teaching manual,acrylic cover. hardware material for assembly of dish antenna. dth subscription connection doordarshan free channels

CTN :45379134

10 Jun, 2026 NA

Arakandanallur - Tamil Nadu

Tender For for electrical and communication engineering department lab equipments are required as per new syllabus - upgradation of labarotariesece department, 8051 micro controller kit operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., single phase induction motor1 hp, 230 v ac, 1500 rpm with loading arrangement 1 no.voltmeter: (0 300) v ac, 96 96 mm with input terminals 1 no.ammeter: (0 10) a ac, 96 96 mm with input terminals 1 no.wattmeter: 2 kw, 96 96 mm with input terminals 1 no.power factor meter: 96 96 mm with input terminals 1 no.auto transformer: 0 300 v, 1 variac 1 no.mcb: 2-pole, 40 a / 230 v ac 1 no.digital rpm indicator with proximity sensor 1 no.aluminium brake drum: 230 mm diameter 1 no.spring balance: (0 25) kg 02 nos.circuit diagram printed on front panel with instruments and connecting terminals.motor and loading arrangement mounted on rigidchannel frame with anti-vibration mounting pads, m12 1.5 bolt & nut, 85 mm dia 4 nos.mild steel powder-coated electrical panel tablesetup., auto transformerinput: 230 240 v ac, 50 hz.output: variable (0 270) v ac.rating: 1 kva.insulation class: class f / class h.construction: copper winding with carbon brush arrangement.mounting: bench-top / panel type.protection: suitable fuse / overload protection., dth trainer kitpower supply: 200 v to 240 v ac, 50 hz. dish antenna: 1.5 ft aluminium steerable dish antenna.lnb (low noise block down converter): input frequency: ku-band. output frequency: 950 mhz to 1450 mhz. conversion gain: 65 db. noise temperature: 35 k (max).set-top box receiver in trainer form: if frequency: 70 mhz. video bandwidth: 50 hz to 5 mhz. video output level: 1 vpp at 75 load. video polarity: normal/inverted, switch selectable. audio subcarrier frequency:tunable from 5.0 mhz to 8.0 mhz. remote control provided. hdmi cable: 10 m. controls: channel selection. volume control. fault simulation: five built-in simulated faults for troubleshooting experiments. if signal disconnected. video output fault. audio mute fault. tuner misalignment. rf output interruption. pcb size: 15" 12" with multicolour section-wise block diagram.standard accessories: 1.5 ft dish antenna. lnb. trainer pcb. dish connecting wire. audio-video cable. user manual. acrylic cover. hardware materials for assembly of dish antenna. additional features: dth subscription connection with doordarshanfree channels., sim reader trainer kitpower supply: operates on 230 v ac 10%, 50 hz mains supply. built-in regulated smps power supply. operating dc supply: 5 v / 12 v with overload and short-circuit protection.sim card interface: supports gsm sim cards compatible with 2g / 3g / 4g / 5g networks. sim card read/write interface. supports sim card initialization, authentication, and communication functions. compatible with standard 6-pin / 8-pin sim card sockets.communication interface: usb 2.0 interface for pc communication. rs-232 serial communication interface. uart communication facility for embedded system interfacing.sim operating parameters: selectable sim clock frequencies: 3.579 mhz 7.159 mhz 14.318 mhz sim supply voltage selection facility. sim reset and activation control. supported protocols and standards: gsm etsi 07.07 and etsi 07.05 at command support. iso/iec 7816 smart card communication support. sim communication command monitoring facility. hardware features: on-board sim card socket. led indication for: power status sim detection reset activity data transmission/r

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