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Projects

Expertise, experience, and shared goals guide us through every project. We are proud that the world’s leading telecommunications companies have placed their trust in us. Explore our list of references:

Passive Optical Networks And Access Systems

Serbia
  • Telekom Srbija (construction of copper and optical networks)
  • ZTE (design and construction of optical networks in urban areas)
  • A1 (optical network design)
  • EDS (design and construction of optical networks)
  • Ministry of Information and Telecommunications (design and construction of optical networks in rural areas)
  • Vip Mobile (design, construction, and maintenance of optical networks)
  • Huawei (“turnkey” project for FTTx network construction; Safe City project – CCTV implementation in Belgrade)
  • Elektrovojvodina (maintenance of optical infrastructure)
  • Sattrakt (construction of optical networks)
  • PTT (equipment supply – optical amplifiers and nodes)
  • Elektrokosmet (equipment supply and optical network construction)
  • NOKIA (“turnkey” project for FTTx network construction)
  • CCCC (CCTV implementation and optical cable installation on highway projects)
  • Strabag (installation of copper and optical cables)
  • SMATSA (construction of copper and optical networks)
  • Supernova (equipment supply and implementation of HFC and GPON networks)
  • MTTT (implementation of telecom infrastructure for the “Schools Connectivity” project)
  • CRSC (implementation of telecom infrastructure for modernization of the Belgrade–Stara Pazova railway line)
Bosnia and Herzegovina
  • Mtel Banja Luka (design, construction, and maintenance of optical networks)
  • Huawei (“turnkey” project, FTTx implementation – Doboj)
  • Mtel Banja Luka (“turnkey” project, FTTx implementation – Zvornik area)
  • Alumina (optical network implementation)
Montenegro
  • Mtel Podgorica (design, implementation, and maintenance of optical networks)
  • CEDIS (optical network implementation)
  • RDC (optical network implementation)
  • Montenegro Airlines (installation of optical cables)
  • Krnovo Wind Farm (installation of optical cables)
  • Fibercom (supply of optical equipment)
  • T-com Montenegro (FTTH design and construction)
  • CRBC (Bar–Boljare highway project)
  • PS Podvrh (optical fiber installation)
Oman
  • OBC (FTTH design and construction)
Austria
  • Province of Lower Austria (detailed FTTH network design at the lowest technical level)
Denmark
  • Huawei / TDC Telekom (GigaCoax – design, implementation, and modernization of HFC Docsis 3.1 fixed network; Safe City project – CCTV implementation in Belgrade)
Germany
  • SPL Tele & Deutsche Telekom – FTTx dislocation projects in Bavaria (network infrastructure replacement)
  • EWE AG – optical network dislocation project in Bokel (planning, civil works, telecom works)
  • SWN Stadtwerke Neumünster – fiber rollout project in Tellingstedt (civil works, telecom works)
Croatia
  • RUNE (FTTH underground and aerial rollout in rural areas)
  • Ericsson Nikola Tesla (FTTH underground and aerial network design in rural areas)
  • Hrvatski Telekom (FTTH underground and aerial network design)
USA
  • Ericsson – optical links construction for RBS
  • Verizon – 5G Small Cell rollout (10 sites)
  • Okefenokee National Wildlife Refuge – local optical network design
  • City of Wausau, WI – local optical network design
  • City of Ames, IA – local optical network design
  • City of Urbandale, IA – local optical network design
  • City of Titletown, WI – local optical network design

Radio Communications

Serbia and Region

Telekom Srbija

  • Rollout of over 350 GSM/3G/LTE base stations (design, civil works, installation, implementation, troubleshooting)
  • Site surveys, technical solutions, main designs – more than 250 GSM/UMTS/LTE BTS sites
  • LoRa network – rollout of over 100 base stations
  • Base station site design and construction
  • 24/7 maintenance

Telenor Serbia

  • CW – construction of new BS infrastructure
  • Upgrade and rollout of GSM/UMTS/LTE BTS and MW links

VIP mobile Serbia

  • Upgrade of more than 300 UMTS/LTE BTS sites
  • Design (site construction, technical solutions, statistical calculations, documentation)

ODS

  • Antenna tower construction – design, permits, CW

Nokia

  • Telekom Srbija (design, installation, implementation, and optimization of over 3,000 GSM/3G/LTE base stations and microwave links, drive tests, and optimization of radio-relay networks)
  • VIP Mobile Serbia (design, installation, implementation, and optimization of over 1,600 GSM/3G/LTE base stations and microwave links, drive tests, and RNO)
  • m:tel Banja Luka (design, installation, implementation, and optimization of over 800 GSM/3G/LTE base stations and microwave links, drive tests, and RNO)

Ericsson

  • Telekom Srbija (design, installation, implementation, and optimization of over 700 GSM/3G base stations and microwave links, drive tests, and RNO)
  • VIP Mobile Serbia (design, installation, implementation, and optimization of over 50 MW links)
  • m:tel Podgorica (design, installation, implementation, and optimization of over 200 GSM/3G base stations and microwave links, drive tests, and RNO)
  • T-HR Telekom Croatia (swap and rollout of GSM/UMTS/LTE BTS sites, civil works, dismantling, installation, implementation)

Huawei

  • m:tel Banja Luka (design, installation, implementation, and optimization of over 950 GSM/3G base stations, drive tests, RNO, and OMC services)
  • m:tel Banja Luka (design, installation, implementation, and optimization of over 80 MW links, drive tests, RNO, and OMC services)
  • Telenor Serbia – BTS swap (Phase I, Belgrade); civil works; dismantling, installation, implementation
  • Tus Telekom Slovenia – Telemach (design, installation, implementation, and optimization of over 70 GSM/3G base stations, drive tests, RNO, and OMC services)
  • Tele2 Croatia (OMC services for over 850 GSM/3G/LTE sites)
  • Telenor Montenegro (design, installation, implementation, and optimization of over 400 GSM/UMTS/LTE BTS sites, drive tests, RNO, OMC services, 24/7 maintenance)
  • BH Telekom – ongoing project (design, installation, implementation, and optimization of over 450 GSM/UMTS/LTE BTS sites, drive tests, RNO, OMC services)

Schneider

  • EPS Distribution – installation and implementation at over 200 sites (design, installation, and implementation of Trio Q Data Radios; projects in Šabac, Sremska Mitrovica, Valjevo, Ruma, Lazarevac, Zaječar)
  • EPS Distribution – installation and implementation at over 700 sites (design, installation, and implementation of Trio Q Data Radios and over 70 microwave links)

Ceragon

  • m:tel Banja Luka (design, civil works, dismantling, installation, implementation, troubleshooting of over 150 radio-relay links)
Austria

Nokia – SPL Tele GmBH

  • A1 Telekom Austria – swap of more than 3,600 GSM/UMTS/LTE sites (minor and major civil works, dismantling, installation, implementation, and troubleshooting)
  • A1 Telekom Austria – modernization of more than 1,300 GSM/UMTS/LTE sites (system module and RF module exchange)
  • A1 Telekom Austria – rollout of more than 2,500 GSM/UMTS/LTE sites (civil works, installation, implementation, and troubleshooting)
  • A1 Telekom Austria – 5G rollout across more than 120 sites (civil works, installation, implementation, and troubleshooting)
  • A1 Telekom Austria – technical documentation for more than 5,000 sites

ZTE – SPL Tele GmBH

  • Hutchison Drei Austria GmbH – replacement of 2G/3G/LTE base stations across 1,100 sites (design, civil works, dismantling, installation, implementation, troubleshooting, preventive and corrective maintenance)
  • Hutchison Drei Austria GmbH – BBU upgrade project for more than 1,500 sites (upgrade, replacement, and commissioning of BBU units)

Huawei

  • T-Mobile Austria – spectrum modernization through re-farming across more than 2,200 GSM/UMTS/LTE sites
  • T-Mobile Austria – swap of more than 1,400 3G sites

Kapsch

  • Kelag Austria – migration from analog to digital Tetra at 40 sites (analog-to-digital Tetra BS migration)
Germany

Nokia – SPL Tele GmBH

  • Telefonica GU7a & GU7a 2020 project – network consolidation, swap and rollout across more than 300 sites (civil works, dismantling, installation, implementation, troubleshooting)
  • Deutsche Telekom – SRAN rollout across more than 400 sites
  • Telefonica – Abbau project – dismantling across more than 500 sites (civil works, dismantling of telecom equipment)
  • DFMG – Deutsche Funkturm GmbH (civil works, dismantling, installation, implementation, troubleshooting)

Ericsson – SPL Tele GmBH

  • Deutsche Telekom – SRAN project – modernization across more than 400 sites in the Nuremberg region (civil works, dismantling, installation, implementation, troubleshooting)
Bulgaria

Nokia

  • M-Tel Bulgaria – SPRINT Bull Swap and LTE rollout across 200 sites, including SPRINT Carrier Aggregation (200 sites)
USA

Ericsson – T.C.E. LLC

  • AT&T FIRSTNET LTE 6C Rollout – more than 150 sites, including power plant swaps (civil works, dismantling, installation, implementation, troubleshooting)

Westchester Engineering Tower Mapping

  • AT&T – design of AT&T antenna mounts

PJ Ford – Crown Castle Tower Mapping

  • T-Mobile – design of T-Mobile antenna mounts
  • T-Mobile/Verizon – Tower Mapping – site surveys and technical documentation for T-Mobile antenna mounts

Fullerton Engineering – American Tower Corporation Tower Mapping

  • AT&T – design of AT&T antenna mounts

Destek Engineering LLC – American Tower Corporation Tower Mapping

  • AT&T – site surveys and technical documentation for AT&T and T-Mobile antenna mounts

Waterleafe International – FAA – Federal Aviation Administration

  • MW links – installation, integration, optimization, troubleshooting

AVIAT Networks – MTSI: First Responders Network

  • MW links – installation, integration, optimization, troubleshooting

Crown Castle Tower – T.C.E. LLC: T-Mobile – Lte upgrade and 5G rollout

  • Minor and major upgrades of antenna systems across more than 50 sites
  • Replacement of power supply units
  • Dismantling, installation, implementation, and troubleshooting of new radio and antenna systems

Uniti Towels – T.C.E. LLC

  • Raw Land Tower construction
  • Civil and electrical services
  • Tower erection
  • Installation of antennas and antenna systems

Vertical Bridge Towers – T.C.E. LLC

  • Raw Land Tower construction
  • Civil and electrical services
  • Tower erection
  • Installation of antennas and antenna systems
Norway

Ericsson

  • Telia Norway – RAN network modernization (site surveys, design, civil works, dismantling, installation, BTS swaps, and as-built documentation)

Ict Infrastructure And Data Centers

EPS

Huawei

  • Delivery, installation, and implementation of DWDM equipment for the national transport network
  • 24/7 network management, monitoring, and maintenance services for DWDM transport network
  • Technical support for DWDM maintenance

Nokia

  • Technical support for SDH transport network maintenance
EMS

Infinera (Coriant), ABB (Keymile)

  • Delivery and installation of SDH equipment for the national transport network
  • Technical support for SDH equipment maintenance
  • Delivery and installation of PDH multiplexer equipment (ongoing project)
  • Delivery, installation, and implementation of DWDM equipment nationwide
Wind Farm Projects

Infinera, ABB

  • Delivery and installation of SDH and PDH equipment
  • Technical support and maintenance of SDH and PDH equipment
Telekom Srbija

Huawei, Infinera, Nokia

  • Installation of mini IPAN/MSAN/DSLAM access equipment nationwide
  • Installation and commissioning of DWDM equipment for the national transport network
  • Technical support for DWDM maintenance
Ministry of Trade, Tourism and Telecommunications

Huawei

  • Delivery, installation, and implementation of DWDM equipment for the national transport network
  • 24/7 network management, monitoring, and maintenance services for DWDM transport network
  • Technical support for DWDM maintenance
mts d.o.o.

Huawei

  • Installation and implementation of MSAN/DSLAM/IPAN access equipment
m:tel Banja Luka

Huawei

  • Nationwide installation of 1,200 MSAN/DSLAM/IPAN units
  • Installation and implementation of DWDM equipment

Nokia

  • Nationwide installation of 250 ISAM units
  • Delivery, installation, and implementation of DWDM transport network equipment
CGES - Montenegrin Electric Transmission System

Nokia

  • Technical support for SDH transport network maintenance

Air Traffic Management

Bosnia and Herzegovina
  • Renewal of Non-Directional Beacons (NDB) in Tuzla – with manufacturer Nautel, and in Sarajevo with manufacturer Telerad
  • Renewal of VOR and DME systems in cooperation with manufacturer Thales – Banja Luka Airport, Mostar Airport, and Tuzla Airport
  • Upgrade and revitalization of MSSR Sarajevo in cooperation with manufacturer Thales

Security Systems

Serbia
  • “Milan Blagojević Namenska”, Lučani AD – Video surveillance, Avigilon
  • PT “Namenska”, Trstenik – Access control with Gunnebo tripod barriers; video surveillance – Dahua
  • MK Fintel Wind, Košava wind farm – Access control, intrusion alarm and perimeter protection – Honeywell + Optex; video surveillance – Avigilon
  • Belgrade “Nikola Tesla” Airport – Central monitoring and management system – Schneider Electric
  • Brančić Tunnel – Complete security system, Bosch and 2N
  • General Electric, Kovačica wind farm – Access control, intrusion alarm and perimeter protection – Honeywell + Optex; video surveillance – Avigilon + Hikvision; Automatic fire detection – Bosch
  • Ada Mall – Complete security system, Bosch
  • Univerexport – Complete security system, Bosch
  • Transformer stations – Fire alarm, CCTV, and intrusion detection
  • Novi Pazar Hospital – Design of central monitoring and management system
  • Belgrade Central Railway Station (Prokop) – Design and implementation of complete security, fire detection, and integration systems
  • Railway Phase 1 – Complete security, fire detection, and integration systems on Belgrade–Budapest railway, section Belgrade–Ruma
  • Railway Phase 2 – Complete security, fire detection, and integration systems on Belgrade–Budapest railway, section Ruma–Novi Sad
  • Railway Phase 3 – Complete security, fire detection, and integration systems on Belgrade–Budapest railway, section Novi Sad–Subotica
  • Railway Expo – Complete security, fire detection, and integration systems on Belgrade–National Stadium railway section (Zemun Polje–National Stadium)
  • Palace of Science, Belgrade – Complete security, fire detection, and integration systems
  • Merkury Market, Novi Sad – Complete security and fire detection systems
  • Epic Games – Complete security, fire detection, and integration systems
  • TPS Zemun – Complete security system, public address, gas detection, clock systems, and fire detection
  • Delta House Belgrade (SUPREMA) – Complete security, fire detection, public address, and integration systems
  • Reconstruction of the Clinic for Neurosurgery, Clinical Center of Serbia – Fire detection, access control, intrusion detection, and system integration
Montenegro
  • Hotel Karisma – Complete security system
  • Morača Sports Center – Bosch audio system and full security system
  • Sava Insurance headquarters, Podgorica – Complete security system
  • Military facility Marko Miljanov Popović, KN-18 & KN-19, Podgorica – Complete security systems
  • NALL International headquarters, Podgorica – Complete security system
Bosnia and Herzegovina
  • Mtel Banja Luka – Video surveillance, Milestone

Environmental Protection

Serbia
  • Sečanj – WWTP: Construction of a wastewater treatment plant in Sečanj to improve the sewage system and enable ecological wastewater treatment, reducing environmental impact.
  • Vrdnik – WWTP: Construction of a wastewater treatment plant with a capacity of 15,000 PE (population equivalent), reducing negative environmental impact and preserving the Fruška Gora ecosystem and spa area.
  • Zrenjanin – Main Sewer Collector: Construction of a main sewer collector (Ø1300 mm) to connect Zrenjanin to the future WWTP, including a main pumping station and three retention basins for stormwater management.
  • Deč – Sewer Network: Construction of a sewage system with PVC pipes (Ø250–300 mm) and four pumping stations, providing long-term wastewater management for households.
  • Apatin – WWTP: Construction of a wastewater treatment plant with a capacity of 20,000 PE, applying Design and Build methodology. SBR technology was implemented, combining aeration, sedimentation, and disinfection in a single reactor for high water quality and reduced costs.
  • Kalenić Landfill – Environmental remediation project.
  • Sremska Mitrovica – Laćarak Sewer Network: Construction of sewage infrastructure in Laćarak as part of a broader expansion and reconstruction project, including one pumping station for system reliability.