What FRTek does

FRTek (에프알텍) is a Korean telecommunications infrastructure equipment manufacturer specializing in wireless in-building and outdoor coverage solutions. Founded circa 2000 and headquartered in Uiwang-si, South Korea, the company operates regional sales offices in Tokyo, Japan and Fremont, California, USA. It conducts business through three product lines: Wireless Solutions (DAS systems, ICS repeaters, RF repeaters, DMB systems, and network management software), LED Solutions, and Amplifier Solutions.

The company's core technology centers on wireless distributed antenna systems (DAS) and RF repeaters spanning legacy WCDMA/WiBro through 4G LTE/LTE-A to advanced 5G mmWave (28GHz). Proprietary products include the KELIS multi-band DAS, INIS integrated in-building network system supporting three Korean carriers (KT, SKT, LGU+) simultaneously across 9 bands and 3 sectors, ELMO multiband optic repeater, and PrimAer 28GHz 5G repeater with analog beamforming for 2x2 MIMO. The 5G portfolio, launched in 2021, includes both 28GHz wired (Analog IFoF) and wireless optical DAS architectures, plus 3.5GHz NR240/NR540 systems. A Sprint ICS Repeater EMS provides SNMP-based remote monitoring, and LED lighting products serve commercial and residential building applications.

FRTek's business model is B2B hardware-centric enterprise sales, with revenue generated through equipment sales, installation, and maintenance services. The company sells directly to Korean mobile network operators (KT, SKT, LGU+), government agencies (Korean Disaster Safety Communications Network), and building operators, with all pricing custom-quoted based on site requirements. Over 200 installation cases are documented across universities, hospitals, stadiums, transit hubs, shopping malls, and residential complexes. Marketing is limited to direct inquiry channels, IR reporting, and industry recognition, including the 2020 Korea ICT Award for 5G innovation.

Name

FRTek

Legal name

(주)에프알텍

Website

https://frtek.com

Company type

Private

Founded year

2016

Operating status

Operating

Short description

FRTek is a Korean wireless infrastructure equipment manufacturer specializing in distributed antenna systems (DAS), RF repeaters, and 5G mmWave solutions for in-building and outdoor coverage, serving Korean telecom carriers, government public safety networks, and building operators across Korea, Japan, and the US.

Ownership category

akta.pro rank

Product category

Wireless Infrastructure Equipment

NAICS

Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing (334220), Other Communications Equipment Manufacturing (33429), Other Communications Equipment Manufacturing (334290)

SIC

Computer Communications Equipment (3576), Radio & Tv Broadcasting & Communications Equipment (3663), Communications Equipment, Nec (3669)

akta.pro primary industry

Distributed Antenna Systems (DAS) (HDAIAKAB)

akta.pro secondary industries

RF & Wireless Components/Modules (RF front-end, antennas, industrial wireless modules) (IMAGAJAG), Wireless Network Management (Wi-Fi/RF Planning & Assurance) (HDAFAMAK), Managed Wi‑Fi & WLAN Services (Campus/Branch) (HDAIAGAB)

Keywords

• Wireless infrastructure equipment
• Distributed antenna systems
• 5G mmWave solutions
• RF repeater systems
• LED lighting solutions

Headquarters

HQ city

Anyang

HQ country

South Korea

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Wireless Infrastructure Equipment Sales: Sale of DAS systems, RF repeaters, 5G mmWave equipment, and related wireless coverage solutions to telecommunications carriers, building operators, and government agencies.
2. LED Lighting Solutions: LED lighting equipment and solutions for buildings including parking lot lights, office lighting, and industrial lighting installations.
3. Installation and Maintenance Services: Site surveys, system installation, and ongoing maintenance services for deployed wireless infrastructure equipment.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels5 records

Core offering

FRTek manufactures and sells wireless infrastructure equipment including Distributed Antenna Systems (DAS), RF repeaters, and 5G mmWave (28GHz and 3.5GHz) solutions for in-building and outdoor wireless coverage, alongside LED lighting products for commercial, residential, and industrial buildings. The company delivers end-to-end services including site survey, custom installation, and ongoing maintenance for telecom carriers, government agencies, and building operators across South Korea, Japan, and the United States.

Product overview

FRTek is a Korean telecommunications infrastructure manufacturer offering three main product lines: Wireless Solutions (DAS systems, ICS repeaters, RF repeaters, DMB systems, and network management), LED Solutions (lighting products), and Amplifier Solutions (PrimAer 5G amplifiers). The wireless solutions portfolio includes flagship products KELIS and ELMO for in-building DAS applications, INOVA and SIERRA for multi-band multi-operator scenarios, INIS for integrated in-building network services, and advanced 28GHz/3.5GHz 5G DAS systems. The RF and ICS repeater series provides solutions from residential (home repeater) to industrial applications. A management system (Sprint ICS Repeater EMS) enables remote monitoring and configuration of repeater devices.

Differentiator

Problem solved

Functional benefit

Brands

• KELIS: KELIS (KT Enhanced LTE-A Integration System) is an in-building/outdoor DAS system supporting WCDMA, FD-LTE, TD-LTE, and WiBro services. Available in multiple variants including NR640, R640, and 5G versions (KM5).
• ELMO
• INOVA
• SIERRA
• INIS
• PrimAer
• TRIO-MD
• WaLTS

Products and services

• KELIS KELIS (KT Enhanced LTE-A Integration System) is an in-building/outdoor Distributed Antenna System designed to improve wireless coverage. It supports WCDMA, FD-LTE, TD-LTE, and WiBro services across 5Band/2Sector or 3Band/1Sector configurations with cloud-ready architecture, primarily deployed for Korean telecommunications carriers.
• ELMO ELMO (Enhanced LTE Multiband Optic Repeater) is an in-building/outdoor DAS system supporting WCDMA, FD-LTE, TD-LTE, and WiBro services with 5Band/1Sector capability, designed for improving wireless environments in commercial and residential buildings.
• INIS INIS (In-building Network Integration System) provides unified wireless and wired services in a single integrated solution, supporting 3 Korean carriers (KT, SKT, LGU+), 9 bands, and 3 sectors with built-in Power over Ethernet functionality for buildings without separate power infrastructure.
• INOVA INOVA is a Multi-Band, Multi-Operator digital optical relay system supporting up to 6 bands (700MHz, 850MHz, 1.9GHz, 2.1GHz, 2.3GHz, 2.5GHz) with Cat7 cable ERU service capability, designed for North American carrier deployments.
• SIERRA SIERRA is a Multi-Band, Multi-Operator digital optical relay system supporting 4 bands including 700MHz LTE, 850MHz WCDMA/LTE, 1.9GHz WCDMA/LTE, and 2.1GHz WCDMA/LTE services.
• 28GHz 5G 2x2MIMO DAS 28GHz 5G 2x2 MIMO Analog IFoF (Intermediate Frequency over Fiber) indoor distributed antenna system supporting MHU:DRU:mRU = 1:8:32 configurations with up to 5km optical distance and 800MHz bandwidth for 5G service without digital sampling capacity loss.
• 28GHz 5G 4x4MIMO DAS 28GHz 5G 4x4 MIMO analog DAS system supporting MHU:ROU = 1:32 configurations with up to 5km optical distance and 25dBm output power, enabling higher-order MIMO for 5G in-building coverage.
• 3.5GHz 5G DAS (NR240, NR540) In-building 3.5GHz 5G DAS system supporting 4 bands with WCDMA, FD-LTE, and 5G services, featuring 3Band/SISO and 5G/MIMO configurations with 40W output power.
• 28GHz 5G Wireless Optical DAS 28GHz 5G wireless optical distributed repeater system for the mmW 28GHz band, composed of DU, MDU, MHU, DRU, and mRU units supporting 2x2 MIMO with 22dBm output and 400MHz 2Band operation.
• PrimAer PrimAer is a mmW 28GHz 5G repeater system featuring DU and SU units with dual polarization antennas (±45°), 2x2 MIMO support, 39dBm output power, and analog beamforming technology. Extension supports up to 4 SU units.
• 28GHz 5G Wireless RF Repeater mmW 28GHz RF repeater supporting 5G 2x2 MIMO for indoor/outdoor use, configured with DU, RU, and mRU units supporting up to 8 mRU extensions.
• RF Repeater Series RF repeater product line including Home Repeater (7dBm), Dual-Band Small Repeater (DB), Triple-Band Small Digital Repeater (TRIO-MD), Triple-Band Small Repeater (TB), Triple-Band Medium Digital Repeater, and TD-LTE Small Repeater, supporting residential through industrial wireless coverage needs.
• ICS Repeater Series ICS (Interference Cancelling System) repeater series including Small ICS Repeater (20dBm), Single Band ICS Repeater 30W, DB ICS Repeater (2x20W dual-band), and Public Safety Communication Network ICS (20W PS-LTE), enabling self-interference cancellation for outdoor high-power deployments and Korean disaster safety networks.
• DMB System DMB equipment including Large DMB Optical Repeater (60W total, 2CH max), Small DMB ICS Repeater (23dBm, 2CH), and Tunnel-type Disaster Broadcasting System (FM 40CH + DMB 2CH) with disaster announcement capabilities via direct announcement, USB recording, or internal memory.
• Sprint ICS Repeater EMS Element Management System for Sprint ICS Repeaters featuring SNMP TRAP/INFORM reporting, remote configuration management, performance monitoring with CSV format export, and web-based administration interface for centralized management of deployed repeater fleets.
• LED Solutions LED lighting solutions for commercial and residential buildings including parking lot lights, surface lights, flood lights, bulbs, downlights, fluorescent lights, and high bay lights, with installation projects across Korean apartments, hospitals, schools, offices, and industrial facilities.

Named customers10 records

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Nokia: Nokia's AirScale and small-cell portfolio includes in-building 5G solutions targeting the same carrier customers FRTek serves. Relevant as a multi-vendor alternative at Tier-1 carriers.
• CommScope: Global leader in in-building wireless and DAS through its ERA/CellMax portfolio. Directly comparable product category (DAS, small cells, RF repeaters) for carrier in-building coverage, but at materially larger scale and broader geographic footprint than FRTek.
• Corning Incorporated: Through Corning Optical Communications, offers in-building wireless solutions including DAS and small cells. Overlaps with FRTek in fiber-fed in-building wireless, particularly relevant given FRTek's Analog IFoF 28GHz architecture.
• Ericsson: Global telecom equipment incumbent with Ericsson Radio Dot and 5G small cell portfolios addressing in-building coverage. Competes with FRTek's carrier customers and would be a primary alternative for in-building 5G.

Direct peers

• SOLiD: Korean-headquartered DAS and in-building wireless vendor serving carriers and enterprises with multi-band, multi-operator systems. Closest like-for-like competitor to FRTek in Korea, with overlapping customer base (Korean MNOs and enterprises) and similar product positioning.
• JMA Wireless: US-based DAS and 5G in-building wireless specialist with strong carrier references (e.g., Tier-1 US operators). Comparable product category to FRTek's KELIS/ELMO/INIS, particularly relevant to FRTek's US subsidiary ambitions.
• Zinwave (Wilson Electronics): Specialist in wide-band active DAS and in-building wireless distribution systems. Direct overlap with FRTek's multi-band, multi-operator in-building product positioning.

Emerging players

• Airspan Networks: Provider of 4G/5G small cells, fixed wireless access, and mmWave solutions. Comparable in its focus on densification and mmWave product roadmap, particularly relevant to FRTek's 28GHz 5G portfolio.
• Boingo Wireless: Neutral-host in-building wireless operator and DAS integrator focused on venues (stadiums, airports, transit). Comparable to FRTek's deployment model at large venues like Daegu Stadium and SRT Suseo Station.

Regional players

• Hytera Communications: China-headquartered provider of PMR/LTE private network and wireless infrastructure equipment. Comparable in the PS-LTE / public safety communications niche where FRTek's 20W PS-ICS is certified, but primarily a regional (APAC/EMEA) peer.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/FRTEKUSA

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries2 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about FRTek