Latest communication item scrap Tenders | Government communication item scrap Tenders

CTN :45465664

18 Jun, 2026 3.00 Lacs

Thanjavur - Tamil Nadu

Tender For supply of upgradation of laboratory equipment- tansche - upgradation of laboratory equipment, digital ic trainer kit: equipped with 16 high -visibility leds for monitoring experimental outputs and logic status indication. dedicated driver circuitry provided for reliable operation and protection of all 16 leds during experimentation. all 16 driver input lines are terminated through banana connectors for flexible and easy external interfacing. includes 16 spdt toggle switches for generating manual logic input conditions in digital electronics experiments. additional 16 leds provided to display the real-time status of individual switch operations. one terminal of each spdt switch is externally accessible through banana sockets for convenient circuit connections. built -in variable clock generator enables pulse generation for sequential and timing-based digital experiments. frequency adjustment provided through potentiometer and rotary switch combination for precise clock selection. clock output is terminated through banana connectors for quick integration with external circuits and trainer modules. features dual 7 -segment led display with 7447 decoder/driver ic for bcd to display conversion experiments. inputs of the 7447 drivers are terminated at banana connectors for direct digital logic inter-facing. includes solder less breadboard for rapid circuit prototyping and reusable experimental setup development., pam,pwm,ppm trainer kit:pam- ppm- pwm modulation and demodulation techniques, using natural and flat-top sampling. natural sample, sample and hold and flat-top outputs. selectable 2 different sampling pulse frequencies on board. on board sine wave generators. voice communication using dynamic microphone and speaker. -on board filters and amplifier. functional blocks indicated on board mimics. input- output and test points provided on board. built in dc power supply -fully documented operating manual -switch faults .pulse modulation techniques: (1) pulse amplitude modulation (2) pulse width modulation (3) pulse position modulation crystal frequency : 6.14mhz .sampling frequency : 16 khz, 32 khz .sine wave generator : 1 khz & 500 hz, amplitude (0-5) v. tolerance +5% . low pass filter : 4th order bw filter. cut off frequency 3.4 khz. voice communication : voice link using dynamic mic & speaker . ac amplifier : with adjustable gain control interconnections :uninsulated sockets. power:230v,50hz . accessories : manual , set of patch chords, microphone & speaker., electronics work bench:digital storage oscilloscope (dso) - 50mhz - 1no . 3mhz function generator (fg) 1no.dual output variable power supply (rps) (0-30v/2a) - 1no. fixed output power supply ( 12v, 500ma) ( 5v, 500ma) - 1no . digital multimeter 3.5 digit [hand held type] - 2nos 3.5 digit lcr meter [hand held type] - 1no. soldering & desoldering device - 1no., mosfet drain current and transfer characteristics trainer kit:circuit diagram in the front panel.biasing components provided test points are terminated at banana connector.input: 230v ac.housed in a closed cabinet.detailed experimental manual.2mm patch chords provided for inter connecting., frequency response of cs amplifier trainer kit:circuit diagram in the front panel.biasing components provided test points are terminated at banana connector.input: 230v ac.housed in a closed cabinet.detailed experimental manual. 2mm patch chords provided for inter connecting., frequency response of cascode amplifier trainer kit: circuit diagram in the front panel. biasing components provided test points are terminated at banana connector.input: 230v ac. housed in a closed cabinet. detailed experimental manual. 2mm patch chords provided for inter connecting., class a transformer coupled power amplifier trainer kit: circuit diagram in the front panel.biasing components provided test points are terminated at banana connector. input: 230v ac.housed in a closed cabinet.detailed experimental manual.2mm patch chords prov

Central Government / Public Sector

CTN :45436218

15 Jun, 2026 NA

Sambalpur - Odisha

Tender For supply of spare card & modules for efftronics make ssbpac (d) for single line as per annexure-a.- supply of mother board for single line ssbpac (d) , supply of line protection card (eff-728m or latest) , supply of maintainer terminal unit , supply of adaptor card (eff-690m1 or latest) , supply of display card of block panel (eff-688m or latest) , supply of auto-change over card which includes one voice moderm circuit & one el converter circult , supply of lightening and surge protection devices for data lines to auto-change over card , supply of non-vital output module (eff -531m3 or latest) , supply of vital output module (eff -532m3 or latest) , supply of voter card module (eff -530m2 or latest) , supply of communication card module (eff -533m5 or latest) , supply of input module (eff-529-m3 or latest) , supply of cpu module (eff-528m7 or latest) , supply of scrambler card (eff-645m1 or latest) , supply of section buzzer pcb (eff-568m1 or latest) , supply of 2 out of 3 pcbs (eff-989 or latest) , supply of block telephones

Central Government / Public Sector

CTN :45422462

25 Jun, 2026 NA

Vijayawada - Andhra Pradesh

Tender For supply and installation of vhf receiver (with rf cable and antenna) to record communication with in the radio coverage area of station vhf equipment. make: ae telelink or equivalent. note:(i) it should be able to work with the installed vdrpu of ae-telelinks., so that ongoing guard / driver vhf communication should be receivable and gets recorded in the storage memory of installed voice recorder at stations. (ii) one set consists of vhf receiver, 30 meters of rf cable along with suitable connectors at both endsand 0 db vhf antenna. [ warranty period: 30 months after the date of delivery ] ]

Central Government And Public Sector

CTN :45430011

11 Jun, 2026 NA

Multi City - Chhattisgarh

Tender For auction sale of others - total qty.= 743 nos., description: - voice card-18 nos., dtmf-33 nos., web fill mux psu card-10 nos., tributary card-6 nos., pd mux card-32 nos., exchange card-13 nos., psu card of puncom mux-4 nos., amplifier 250 watt-3 nos., pole for cgdb-16 nos., base of pole for cgdb-21 nos., cap of cgdb-14 nos., pd mux-5 nos., m.s. truf w/o cap 2 mtr long-14 nos., horn speaker-6 nos., cgdb-2 nos., smps battery charger 48v-2 nos., lan extender-14 nos., smr statcon-2 nos., c.t. box 20 pair-5 nos., c.t. box 50 pair-4 nos., power supply unit-11 nos., control telephone-65 nos., magneto telephone-175 nos., auto telephone-69 nos., modem-49 nos., power supply unit for vhf-3 nos., dtmf box (empty)-40 nos., head qtr equipment-7 nos., empty acid jar-3 nos., 9u rack-1 no., u-link panel-4 nos., switch-6 nos., coral mux-1 no., statical mux-4 nos., networking terminal server-1 no., emergency portable t/p-11 nos., megaphone-1 no., voice data loger-3 nos., voltage regulator-1 no., puncom charger-1 no., fare display board-3 nos., router cisco-1 no., umbrella-1 no., smps power plant-1 no., zyxel communication wifi router-9 nos., 10 mm ms rod-5 nos., pipe rod-6 nos., coaxial cable-7 nos., tweezer-2 nos., cutter-1 no., screw driver 801-1 no., adjustable spanner-1 no., adjustable spanner 205mm-4 nos., lock pad 75 mm ig-2 nos., screw driver 925-1 no., combination plier-1 no., insertion tool (krone)-5 nos., jointer tool kit with 25 items-2 nos., digital multimeter 15s-3 nos., digital multimeter 18s-2 nos., analog han driven (megger)-1 no., digital multimeter 3&1/2 digit fluke-1 no., automatic dispenser machine-1 no., electric spray sanitiser machine-1 no., digital multimeter (flike-287)-1 no.(remarks - material to be sold on as is where is basis and will be delivered in numbers).

CTN :45407871

15 Jun, 2026 NA

Nashik - Maharashtra

Tender For supply of voice logger for hand held communication set

State Government

CTN :45415477

18 Jun, 2026 NA

Ghaziabad - Uttar Pradesh

Tender For supply of spare material/cards for solid state block proving by axle counter (ssbpac) of m/s efftronics make, as per boq. - supply of mother board double line suitable for solid state block proving by axle counter (ssbpac) as per rdso specification: rdso/spn/175/2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of cpu module (eff -528m7 or latest) suitable for solid state block proving by axle counter (ssbpac) as per rdso specification :rdso/spn /175/2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of voter card module (eff -530m2 or latest) suitable for solid state block proving by axle counter (ssbpac) as per rdso specification :rdso/spn /175/2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of spare block telephone suitable for solid state block proving by axle counter (ssbpac) as per rdso specification :rdso/spn /175/2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of adaptor card (eff-690m 1 or latest) with ribbon cable suitable for solid state block proving by axle counter (ssbpac) as per rdso specification :rdso /spn /175/2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of scrambler card with ribbon cable (eff -645m1 or latest) suitable for solid state block proving by axle counter (ssbpac) as per rdso specification :rdso /spn /175/2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of 2 out of 3 pcbs (eff -989 or latest for solid state block proving by axle counter (ssbpac) as per rdso specification :rdso /spn /175/2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of display card of block panel (eff-688m or latest) suitable for solid state block proving by axle counter (ssbpac) as per rdso specification :rdso /spn /175/2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of non-vital output module (eff- 531m3 or latest) suitable for solid state block proving by axle counter (ssbpac) as per rdso specification :rdso/spn/175 /2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of vital output module (eff - 532m3 or latest) suitable for solid state block proving by axle counter (ssbpac) as per rdso specification :rdso/spn /175/2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of input module (eff -529-m3 or latest) suitable for solid state block proving by axle counter (ssbpac) as per rdso specification :rdso/spn/175 /2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of communication card module (eff -533m5 or latest) suitable for solid state block proving by axlecounter (ssbpac) as per rdso specification :rdso/spn/175/2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee, supply of auto changeover card which includes one voice modem circuit & one ei converter circuit suitable for single section block proving axle counter (digital) type block instruments as per rdso specification :rdso /spn /175/2005 ver.1 of m/s efftronics make/model: efftronics sys pvt ltd. inspection- consignee

CTN :44962786

10 Jun, 2026 NA

Dehradune - Uttarakhand

Tender For expression of interest document for pre bid selection of consortium partner for procurement of ict equipment along with supply installation for seoc at usdma building it park dehradun - core network switches , supply installation testing commissioning of core switch as per technical specifications and corrigendum updates/clarifications , supply installation testing commissioning of sfp+ module for 10g , access network switches - (for poe & non- poe devices) , "supply, installation, testing & commissioning of access switch 48 port non- poe, as pertechnical specifications and corrigendum updates/clarifications" , "supply, installation, testing & commissioning of access switch 48 port poe+ as pertechnical specifications and corrigendum updates/clarifications" , wireless networking , "supply, installation, testing & commissioning of virtual wireless controller (software)as per technical specifications and corrigendum updates/clarifications" , "supply, installation, testing & commissioning of wireless indoor access point as pertechnical specifications and corrigendum updates/clarifications" , "supply, installation, testing & commissioning of wireless outdoor access point as pertechnical specifications and corrigendum updates/clarifications" , wireless networking , ip telephony appliance based system (minimum 500 end-user lic support including ip phones, video phones and sip h.323 based video conferencing devices. hardware, software and voice gateways shall be from same oem for better interoperability), and will also include 1 pc based console for operator) , supply, installation, testing & commissioning of helpdesk operator wired headsets , "supply, installation, testing & commissioning of fusion room operator wireless hands- free headsets forsoftphone working" , "supply, installation, testing & commissioning of unified communication (uc) system with softphone support and250 user licenses" , supply, installation, testing & commissioning of basic type-i sip phones features a color display, 3 context-sensitive soft keys, and fixed function/navigation buttons. , supply, installation, testing & commissioning of vip (premium) sip telephone with 7- inch or larger color touch screen with a 2mp or 1080p hd camera, supporting one or more sip accounts and 3-way conferencing. features hard function keys for essential call controls and a secondary gigabit ethernet port for desktop/laptop connectivity , supply, installation, testing & commissioning of pc based console for operator , router , "supply, installation, testing & commissioning of standalone / modular router, as pertechnical specifications and corrigendum updates/clarifications with 5 year support." , firewall , "supply, installation, testing & commissioning of utm firewall as per technical specifications and corrigendum updates/clarifications. shall have 32 gb or higher ram and 800 gb nvme ssd storage and wil provide 5 gbps firewall throughput, 3 gbpsipsec throughput, 5 gbps ips throughput or more and 5 gbps nextgen firewall throughput including firewall" , dns security , "supply, installation, testing & commissioning of dns security solution for minimum 150users" , active power factor filter (apff/ahf) , "supply, installation, testing & commissioning of active power factor filter with ct kit(150 a)" , ems , supply, installation, testing & commissioning of element management systems. , nac , nac (appliance + 100 licenses) in ha , hci servers , supply installation testing commissioning of 4 hci nodes for dc across 1 clusters , supply installation testing commissioning of 4 hci nodes for dr across 1 clusters , microprocessor based transient voltage surge suppression (tvss) system with reset facility high/low voltage protection , "supply, installation, testing & commissioning of microprocessor based transientvoltage surge suppression (tvss) system with reset facility high/low voltage protection" , rodent repellent s

CTN :45351358

04 Jun, 2026 NA

Pudukkottai - Tamil Nadu

Tender For supply of lab equipments - purchase of lab equipments, ask modulation and demodulation kitspecifications: 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 analog switch / 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., fiber optic communication trainer kitspecifications:power supply: 230 v ac 10%, 50 hz mains operation. built-in regulated power supply. optical transmitters: led transmitter: 660 nm. optical receivers: phototransistor / pin photodiode receiver. built-in signal conditioning and amplifier circuits. audio power amplifier with speaker/headphone output. comparator / pulse shaping circuit for digital signal recovery. test points for cro observation and signal monitoring. fiber media: multimode plastic optical fiber (pof). fiber patch cords with connectors. signal sources: built-in sine wave generator. built-in square wave / digital pulse generator. voice signal input through built-in microphone/audio source. trainer features: separate transmitter and receiver sections. on-board test points for signal observation. led indicators for signal monitoring. fault simulation facility. compact tabletop modular design. circuit diagram printed on pcb. bandwidth: analog bandwidth: up to 350 khz. digital bandwidth: up to 2.5 mhz. controls: variable signal amplitude control. variable frequency control. optical intensity adjustment. standard accessories: patch cords and connectors. power cord. audio connecting cable. user manual.

Central Government And Public Sector

CTN :45158607

25 May, 2026 NA

Dehradune - Uttarakhand

Tender For corrigendum : procurement of ict equipment along with supply and installation for establishment of state emergency operation centre (seoc) at usdma building, it park, dehradun. - procurement of it equipment for u-prepare(rates must be quoted incl. gst and applicable cms as per bid document), core network switches, supply installation testing commissioning of core switch as per technical specifications and corrigendum updates/clarifications, supply installation testing commissioning of sfp+ module for 10g, access network switches - (for poe & non- poe devices), supply, installation, testing & commissioning of access switch 48 port non- poe, as per technical specifications and corrigendum updates/clarifications, supply, installation, testing & commissioning of access switch 48 port poe+ as per technical specifications and corrigendum updates/clarifications, wireless networking, supply, installation, testing & commissioning of virtual wireless controller (software) as per technical specifications and corrigendum updates/clarifications, supply, installation, testing & commissioning of wireless indoor access point as per technical specifications and corrigendum updates/clarifications, supply, installation, testing & commissioning of wireless outdoor access point as per technical specifications and corrigendum updates/clarifications, wireless networking, ip telephony appliance based system (minimum 500 end-user lic support including ip phones, video phones and sip h.323 based video conferencing devices. hardware, software and voice gateways shall be from same oem for better interoperability), and will also include 1 pc based console for operator), supply, installation, testing & commissioning of helpdesk operator wired headsets, supply, installation, testing & commissioning of fusion room operator wireless hands-free headsets forsoftphone working, supply, installation, testing & commissioning of unified communication (uc) system with softphone support and250 user licenses, supply, installation, testing & commissioning of basic type-i sip phones features a color display, 3 context-sensitive soft keys, and fixed function/navigation buttons., supply, installation, testing & commissioning of vip (premium) sip telephone with 7-inch or larger color touch screen with a 2mp or 1080p hd camera, supporting one or more sip accounts and 3-way conferencing. features hard function keys for essential call controls and a secondary gigabit ethernet port for desktop/laptop connectivity, supply, installation, testing & commissioning of pc based console for operator, router, supply, installation, testing & commissioning of standalone / modular router, as per technical specifications and corrigendum updates/clarifications with 5 year support., firewall, supply, installation, testing & commissioning of utm firewall as per technical specifications and corrigendum updates/clarifications. shall have 32 gb or higher ram and 800 gb nvme ssd storage and wil provide 5 gbps firewall throughput, 3 gbps ipsec throughput, 5 gbps ips throughput or more and 5 gbps nextgen firewall throughput including firewall, dns security, supply, installation, testing & commissioning of dns security solution for minimum 150 users, active power factor filter (apff/ahf), supply, installation, testing & commissioning of active power factor filter with ct kit (150 a), ems, supply, installation, testing & commissioning of element management systems., nac, nac (appliance + 100 licenses) in ha, hci servers, supply installation testing commissioning of 4 hci nodes for dc across 1 clusters, supply installation testing commissioning of 4 hci nodes for dr across 1 clusters, microprocessor based transient voltage surge suppression (tvss) system with reset facility high/low voltage protection, supply, installation, testing & commissioning of microprocessor based transient voltage surge suppression (tvss) system with reset

Central Government/Public Sector

CTN :45091836

01 Jun, 2026 NA

Delhi - Delhi

Tender For supply, installation, testing & commissioning of 8 channel voice data logger for control communication as per rdso spec no spn-tc-038-2002 ver. 2.0 (as per attached specification) [ warranty period: 30 months after the date of delivery ]

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