What REDROVER Co Ltd does

REDROVER Co Ltd is the firm name referenced in the source data, but the operational data describes NST Co., Ltd. (주식회사 엔에스티정보통신), a privately held Korean network-equipment manufacturer founded in 1997 and headquartered in Seoul's Geumcheon-gu district under founder-CEO Cho Jeong-hee. The company designs, develops, and manufactures its products domestically in Korea — explicitly differentiating from Chinese/Taiwanese OEM alternatives — and holds over 160 electromagnetic certifications.

NST's product portfolio spans the full networking stack from residential to industrial and railway-grade applications. Core offerings include L2/L3 managed Ethernet switches (NSH series), PoE switches with proprietary long-range power delivery of 230m–500m (vs the standard 100m), industrial-grade switches rated -40°C to 80°C with G.8032 ERPS ring protection (NHM/NGI series), EN50155-compliant railway switches with optical bypass (NRS series), wireless LAN access points (NAP series), fiber media converters, FDF products, CCTV/PoC converters, and emerging IoT gateways plus a train-integrated communication device (CMTD/RTD). Differentiated technical features include proprietary auto-reset IC technology with near-100% automatic fault recovery, Green Ethernet (IEEE 802.3az) reducing power up to 38%, and Korean 초고속정보통신건물인증 (ultra-high-speed communication building certification) for apartment-grade equipment.

The business model is hardware sales to Korean government agencies, public institutions, construction firms, railway operators, and train manufacturers via direct B2B engagement and the G2B / 나라장터 public e-procurement platform, supplemented by direct enterprise sales for residential construction and international OEM/partner channels (UK Company T for wireless APs; Southeast Asian smart-city and IoT partners in Vietnam, Bangladesh, Indonesia, Malaysia, and Angola). Reported customer logos include Seoul Metropolitan Police Agency, Seoul Metro Corporation (Lines 1–8 plus dedicated Lines 4/5/7 rolling stock via Daewon Systems and Wjin Sanjeon), KORAIL EMU-250 high-speed rail (via Motrex), and municipalities Ansan, Gwangmyeong, and Daegu. NST claims roughly 50%+ share of the Korean EN50155 railway-switch market and operates in 10+ countries internationally. Revenue is not publicly disclosed; the company has not raised institutional funding and is operating with approximately 40 employees.

Name

REDROVER Co Ltd

Legal name

주식회사 엔에스티정보통신

Website

https://nst.co.kr

Company type

Private

Founded year

1997

Operating status

Operating

Headcount range

11–50 employees

Short description

NST Co., Ltd. is a privately held Korean network-equipment manufacturer (founded 1997, ~40 employees) designing L2/L3, PoE, industrial, and EN50155 railway switches plus IoT gateways, sold primarily to Korean government, rail operators, construction firms, and municipalities via G2B procurement, with growing Southeast Asia smart-city and IoT-channel presence.

Ownership category

akta.pro rank

Product category

Network Equipment Manufacturing

NAICS

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

SIC

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

akta.pro primary industry

Wireless Interface Adapters (Wi‑Fi/Bluetooth/Cellular Modems) (HDAFAEAJ)

akta.pro secondary industry

RF & Wireless Components/Modules (RF front-end, antennas, industrial wireless modules) (IMAGAJAG)

Keywords

• Ethernet network switches
• Industrial PoE switches
• EN50155 railway switches
• Wireless LAN access points
• Fiber media converters

Headquarters

HQ city

Seoul (Gumcheon-gu/Geumcheon-gu)

HQ country

South Korea

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Network Hardware Sales: Sale of proprietary network equipment including Ethernet switches (L2/L3 managed, industrial, PoE, EN50155 railway-grade), wireless LAN access points, media converters, voice couplers, FDF (Fiber Distribution Frames), and transmission equipment to government agencies, public institutions, construction companies, and railway operators. Primarily one-time hardware purchases with some maintenance/service components.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

NST Co., Ltd. (doing business as NST) designs, develops, and manufactures a comprehensive portfolio of wired and wireless networking equipment in Korea. The product line spans Layer 2/Layer 3 managed Ethernet switches, industrial-grade and long-range PoE switches, EN50155-compliant railway switches for rolling stock, wireless LAN access points, fiber media converters, home network switches for apartment FTTH/FTTC deployments, and CCTV transmission equipment. Products are sold primarily to government agencies, public institutions, railway operators, construction companies, and municipalities through direct B2B sales and Korean government e-procurement platforms.

Product overview

NST Co., Ltd. (엔에스티정보통신) is a Korean network equipment manufacturer offering a comprehensive portfolio of networking products. The product line includes: L2/L3 managed switches (NSH series) for enterprise and industrial applications; PoE switches supporting long-range transmission up to 230m for CCTV and wireless deployments; industrial switches (NHM series) rated for harsh environments with G.8032 ERPS ring protection; EN50155 railway switches (NRS series) for rolling stock applications; wireless LAN access points (NAP series) supporting 802.11b/g/n/ac standards; home network switches (NSH-1xxx series) for apartment buildings meeting Korean ICT certification grades; fiber media converters (NMC series) and FDF products; aggregation chassis systems (NSC series); CCTV modems and PoC converters; and train integrated communication devices. The products are designed, developed, and manufactured domestically in Korea, differentiating from OEM imports through superior quality, durability, and local technical support.

Differentiator

Problem solved

Functional benefit

Products and services

• NSH-2152 L2 Switch High-performance Layer 2 switch with 48 ports of 10/100/1000Mbps and 4 Gigabit Ethernet uplink SFP ports, designed for smart offices, smart cities, and home networks.
• NSH-2110LP PoE Switch High-performance PoE switch with 8 ports of 10/100/1000Mbps PoE and 2 SFP uplink ports, featuring long-range PoE technology supporting up to 230m data and power transmission for CCTV cameras.
• NRS-2122 Series EN50155 Railway Switch EN50155-compliant Gigabit Optical Ethernet Switch with Optical Bypass functionality and ITU-T G.8032 ERPS Ring Protocol support for railway rolling stock applications.
• NSH-1502 Home Network Switch (Special Grade) Ultra-high-speed communication special-grade apartment unit data line distributor with 15 ports of 10/100Base-TX and 100Mbps FX uplink, supporting 802.3af PoE on 1-2 ports.
• NAP-11NS Wireless LAN AP Ceiling-type speaker-integrated wireless LAN access point supporting 802.11b/g/n at 2.4GHz with IEEE802.3af PoE for residential unit wireless communication.
• NAP-11AC Wireless LAN AP Dual-band wireless LAN access point supporting 802.11ac standard with ceiling/wall mounting options, featuring 2.4GHz and 5GHz concurrent operation.
• NView Network Management System Network management system combining AP Controller functionality for managing L2, L3 network products with convenient management settings and centralized deployment control.
• NHM-2408 Series Industrial Switch Industrial L2 managed switch with 8 ports of 10/100/1000Mbps, supporting G.8032 ERPS ring protection and extended temperature range from -40°C to 80°C for harsh environments and factory automation.
• NSH-3252P L3 PoE Switch High-performance L3 PoE switch with 48 ports of 10/100/1000Mbps PoE and 4 slots of 10Gbps SFP+ uplinks, supporting RIP, OSPF, BGP, VRRP routing protocols.
• NMC-2101GM Managed Gigabit Media Converter Managed Gigabit Ethernet media converter converting fiber 1000Base-SX/LX/ZX signals to 10/100/1000Base-TX for enterprise fiber networks, FTTx, and cyber apartment applications.
• NSC-1602 Aggregation Chassis

Quantifiable outcome

• Long-range PoE extends power delivery from standard 100m to 230m-500m, enabling CCTV deployment without additional power infrastructure
• +5 more outcomes

Named customers9 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Six partnerships are on record, tiered core, major and emerging.

• KOTRA (한국무역투자진흥공사)coreGTM or Marketing Partner · 1 January 2018Following designation as an export-promising SME, NST engaged with KOTRA's global market entry strategy programs. KOTRA provides market intelligence, trade consultation, and export support through its worldwide offices to help Korean SMEs expand internationally.
• UK-based Company T (T사)majorOEM/ Whitelabel/ Licensing PartnerNST supplied tens of thousands of wireless LAN AP units as OEM products to a UK-based company T, which deployed them in hotel chains globally. This represents one of NST's largest international deployments.
• Dawon Systems (주다원시스)coreStrategic or Co-development PartnerSelected as network switch supplier for Seoul Metro Line 4 new electric train manufacturing. NST's EN50155-compliant switches integrated into Dawon Systems' train manufacturing for rolling stock network infrastructure.
• Wjin Sanjeon (주우진산전)coreStrategic or Co-development PartnerSigned EN50155 network switch supply contract for Seoul Metro Lines 5 and 7 new rolling stock. Wjin Sanjeon is the train manufacturer; NST provides railway-compliant network equipment integrated into the TCMS (Train Control and Monitoring System).
• Motrex (모트렉스)coreStrategic or Co-development PartnerCabin switch supply for Korea Railroad's new EMU-250 high-speed rail trains' premium VOD system. Motrex is the VOD system supplier and integrator; NST provides the onboard network switches for passenger entertainment services.
• Southeast Asian Smart City Project Partners (Vietnam, Bangladesh, Indonesia, Malaysia)emergingStrategic or Co-development PartnerSince 2022, pursuing smart city projects in Vietnam, Bangladesh, Indonesia, and Angola. IoT gateway pilot in Malaysia and Indonesia with 400 units supplied, and negotiations for 700,000 units over 10 years for power IoT applications.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Advantech: Taiwan-based Advantech produces industrial Ethernet switches, PoE networking, and ruggedized wireless APs for industrial IoT — closely comparable to NST's industrial/IoT gateway product lines and target customers.
• Westermo (a Beijer Electronics Group company): Swedish Westermo manufactures robust industrial data communications and EN50155-compliant railway networking equipment, directly comparable to NST's railway and industrial switch offerings targeting rail and transit customers.
• ORing Industrial Networking: Taiwan-based ORing specializes in industrial Ethernet switches, EN50155 railway switches, and PoE networking — directly competing with NST's NHM/NGI industrial and NRS railway switch families.
• Moxa: Taiwan-based Moxa is a leading global manufacturer of industrial Ethernet switches, EN50155 railway-grade switches, and wireless APs for harsh environments — directly comparable to NST's industrial and railway switch portfolio, though at significantly larger scale.
• DZS (formerly DASAN Networks): Originally Korean (DASAN Networks), DZS produces carrier-grade Ethernet switches, GPON, and Wi-Fi networking equipment — historically a direct Korean peer to NST in Ethernet switching, though now US-headquartered and serving different customer tiers.
• Belden / Hirschmann: Hirschmann (Belden) is a long-established manufacturer of industrial Ethernet and railway networking switches including EN50155-compliant products, competing with NST in industrial/railway verticals globally.

Broad incumbents

• HPE Aruba Networking: HPE Aruba is a major enterprise networking incumbent offering switches, wireless APs, and SD-Branch solutions that overlap with NST's enterprise switching and wireless AP product lines.
• Cisco Systems: Cisco is the dominant global enterprise networking incumbent across Ethernet switching, wireless, and industrial IoT. It competes with NST indirectly by setting enterprise procurement standards that constrain smaller Ethernet switch vendors.
• Huawei Enterprise: Huawei is a broad networking incumbent with industrial-grade and enterprise switches that compete with NST, particularly relevant given that NST explicitly positions against Chinese OEM imports in Korean public procurement.

Emerging players

• Phoenix Contact: Phoenix Contact provides industrial Ethernet switches, PoE infrastructure, and unmanaged/managed switches for harsh environments — comparable to NST's industrial switch line but with a much broader automation portfolio.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/redrover-co-ltd

Compliance16 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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 REDROVER Co Ltd