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In-Building Solutions (IBS)

The growing use of mobile devices has made reliable indoor wireless coverage essential in commercial, residential and public buildings. Modern construction materials often limit the penetration of signals from outdoor base stations, resulting in weak reception and unstable connectivity. EMTS provides complete in-building coverage solutions for small, medium and large facilities, supporting cellular and public-safety communication networks.

Passive DAS Solutions

A Passive Distributed Antenna System distributes RF signals through passive components such as antennas, cables, splitters, couplers and filters. It is a reliable and cost-effective solution for small and medium-sized buildings, especially when supporting a limited number of operators or technologies. Main Advantages Cost-effective deployment Low maintenance requirements Reliable system architecture No active noise generation Suitable for single-operator applications
Passive DAS Products Antennas Filters Diplexers and duplexers Hybrid combiners Splitters and couplers High-power dummy loads RF cables and accessories Repeaters and amplifiers

Hybrid DAS Solutions

A Hybrid DAS combines active fiber-optic equipment with passive RF components to provide flexible coverage across medium and large buildings. The master unit converts RF signals into optical signals and distributes them through fiber cables to remote units. The remote units convert the signals back to RF and connect to a local passive antenna system. Hybrid DAS can support cellular technologies such as GSM, 3G, 4G LTE and 5G, as well as public-safety networks including TETRA and APCO P25. EMTS supplies the active equipment, repeaters and passive RF components required for complete system implementation.

Active DAS Solutions

Active DAS is designed for large buildings, multi-floor environments and multi-operator networks that require scalable and centrally managed coverage. Key Features Scalable hub and remote-unit architecture Support for FDD and TDD technologies Compatible with single-mode and multimode fiber Easy expansion and system upgrades Automatic power adjustment Visual system-status alarms Web-based monitoring and control Centralized power options Active DAS provides consistent coverage, flexible capacity and simplified network management.

DMR Bi Directional Amplifiers​

EMTS provides reliable Bi-Directional Amplifiers for emergency and public-safety communication networks. These systems improve radio coverage inside buildings, underground areas and other locations where external signals may be limited. Supported Networks VHF TETRA LMR 400 MHz LMR 800 MHz 700 MHz systems 700/800 MHz systems APCO P25 Our solutions are designed to provide stable and continuous communication for police, fire, rescue and emergency-response teams

Tunnel and Mine Coverage

EMTS provides specialized wireless coverage solutions for tunnels, mines, underground facilities and transportation infrastructure. Applications include: Road and railway tunnels Underground transportation systems Mines and industrial sites Underground parking areas Remote infrastructure locations We also supply GSM-R coverage solutions, including RF repeaters, fiber-optic repeaters and Outdoor DAS equipment.

3G, 4G LTE and 5G Solutions

EMTS supports both modern and legacy wireless technologies through a wide range of indoor and outdoor coverage systems. Our solutions include: Cellular repeaters Bi-Directional Amplifiers Passive DAS Hybrid DAS Active DAS Fiber-optic distribution systems Indoor and outdoor antennas Each solution can be adapted to the technical and operational requirements of the project.

Interference Cancellation

Modern wireless networks operate in crowded frequency environments where multiple operators and technologies may create interference. EMTS provides advanced interference-management solutions for 3G, 4G and 5G networks, combining RF filtering with advanced front-end technologies. Main Benefits Reduced background noise Improved signal quality Increased network stability Better receiver performance Improved coverage and capacity Support for multi-operator environments Our solutions support both in-band and out-of-band interference cancellation.