Latest voice communication Tenders | Government voice communication 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 And Public Sector

CTN :45454742

11 Jun, 2026 NA

Lumding - Assam

Tender For supply, installation, testing and commissioning of dcus/gateways/ allocation of sim network service provider and the arrangement of sim cards to enable reliable medium for two-way communication between smart meter & amp:, hes (head end system) over rf mesh network/cellular network. 1. the dcu/gateway shall be compatible with the smart meters mentioned above. rf mesh network should use 865-867 mhz frequency band. 2. the data acquisition (push/pull) frequency shall be configurable 15 min, 30 min or 60 minutes. it shall push events such as tamper, power off etc. to hes immediately on occurrence/receipt from meters. 3. it shall have provision for the cellular, wifi and ethernet communication for the backhaul tohes. 4. sufficient number of gateways shall be installed in such a way that all the meters are covered in the network efficiently. 5. it shall be capable to handle data of minimum 500 nos. of any type of smart meter (1ph/3ph). it shall be able to communicate with the nearest meters at a distance of at least 300 m, depending on topographical features. 6. communication of the nearest meters with other meters shall be established through appropriate mesh formation. rf mesh shall support self-forming and self-healing features. 7. rfmesh shall support at least 15 no. of hops. 8. the equipment shall be weather-proof and dust-proof (minimum rating: ip54 for indoor and ip65 for outdoor installation). it shall have rechargeable battery with backup for 1(one) hour for normal meter reading, to push tamper event, carry out on demand reading, etc. 9. it shall have passed the following emc tests from reputed lab: conducted emission, electrostatic discharge (esd), radiated immunity, electrical fast transient (eft) - burst, surge, rf conducted disturbances. 10. rf mesh network shall be established to meet the slas as mentioned in tender document. 11. replacement warranty period shall be 66 (sixty-six) months from the date of supply or 60 (sixty) months from the date of commissioning, whichever is earlier. [ warranty period: 30 months after the date of delivery ] ]

Central Government/Public Sector

CTN :45177238

25 May, 2026 NA

Delhi - Delhi

Tender For corrigendum : providing of custom bid for services - selection of service provider for providing comprehensive voice communication platform services (toll-free, short code, ivr, non-toll-free, click-to-call, outbound dialer, voice bot & contact centre services)

CTN :45260573

04 Jul, 2026 30.00 Crore

Bathinda - Punjab

Tender For supply of air traffic services modernisation - airfield lighting system of runway with helicopter approach path indicator , voice communication control system , automatic weather station awos with frangible mast , ptz day and night camera system for air traffic control recording , power generation system , stabilized uninterrupted power distribution network for air traffic services equipment , atc and user consoles , trailer mounted mobile atc , server and work station

CTN :45241110

26 May, 2026 NA

Adra - West Bengal

Tender For supply, transportation, installation and testing of gsm voice communication system-4g/volte suitable for -01 gsm sim. ( software +hardware+ connecting cables+ software cd).(1) in-built call recording(32000 hrs), (2) click to call facility,(3) voice mail facility(night, holiday),(4) user facility gui,(5) bulk sms friendly, (6) voice broadcasting,(6) incoming call pop -up,(7)phone book , (8) integration with cms. make/brand-aegis or similar. [ warranty period: 30 months after the date of delivery ] ]

CTN :44978016

02 Jul, 2026 NA

Delhi - Delhi

Tender For corrigendum : invitation of bids for upgradation of voice communication and control system at mafi phase - i bases

State Government

CTN :44732554

22 May, 2026 25.33 Crore

Bhopal - Madhya Pradesh

Tender For corrigendum : selection of an epc contractor for turnkey implementation of an ai_based voice_enabled communication and broadcasting system with audio_visual advisory devices for farmers across apmcs of madhya pradesh for 24 months

CTN :44246665

19 May, 2026 19.35 Crore

Delhi - Delhi

Tender For corrigendum : supply of lte based hand held radio system -android rugged hand held mobile sets with dedicated ptt and sos buttons with standard accessories as described in schedule of requirement , tassta push to talk on cellular poc application software for android capable hand held mobile sets for seamless integration with existing lte based communication system of delhi police. , communication network service per hand held mobile set along with tassta license per hand held mobile set 01 eyar paid subscription , bandwidth increasing for all existing mpls microwave connectivity in redundant mode as per boq , commissioning of hand held mobile sets

CTN :44067984

04 Apr, 2026 NA

Amritsar - Punjab

Tender For bid to ras corrigendum : supply of voice communication and control system (vcc: system)

Central Government/Public Sector

CTN :41956861

31 Mar, 2026 NA

Delhi - Delhi

Tender For bid to ras bid to ras corrigendum : supply installation & testing (sit) of ip based voice communication control system (vccs)vcs technical specifications

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