GL Communications
GL Communications is a private Gaithersburg, Maryland-based provider of telecom test and measurement hardware and software—including 400G packet capture, 5G protocol emulation, and voice quality testing—selling to telcos, network equipment manufacturers, aerospace and defense primes, and government agencies worldwide.
- Company typePrivate
- Founded1990
- HeadquartersGaithersburg, United States
- Headcount1–10
- GTM typeB2B
- OfferingHardware or Manufacturing
What GL Communications does
GL Communications Inc. is a privately held telecom test and measurement solutions provider headquartered in Gaithersburg, Maryland, with 40+ years of operating history (founded circa 1986-1990). The company sells hardware appliances and software platforms for packet capture, protocol emulation, network monitoring, and voice quality testing across wireless (2G through 5G), Ethernet/IP, optical, and TDM networks. Core product families include FastRecorder 400G (lossless duplex wirespeed packet capture using Nvidia BlueField-3 SmartNICs with FPGA acceleration), PacketExpert (10G/100G Ethernet/IP testing), PacketScan HD (high-density real-time monitoring), and the MAPS protocol emulation platform spanning 5G, 4G LTE, 3G, 2G, SIP, SIGTRAN, and ATM/ED-137 Air Traffic Management protocols.
The company sells to telecommunications service providers, network equipment manufacturers, aerospace and defense primes, government agencies (FAA, NASA), and data centers worldwide, with named customers including AT&T, Verizon, T-Mobile, Nokia, Lockheed Martin, Boeing, RTX, Apple, Qualcomm, and approximately 500 additional organizations. The business model combines purpose-built hardware appliance sales with perpetual, version-specific software licenses tied to platform item numbers, supplemented by a professional telecom engineering consulting services arm. Go-to-market is direct enterprise field sales with quote-based pricing, multi-year contracts, and channel engagement through trade shows (Airspace World, TechNet Cyber), webinars, content marketing, and press releases. Recent product launches in 2025-2026 emphasize 400G capture for AI infrastructure, 5G Open RAN interface emulators, and satellite voice quality testing—signaling expansion into adjacent customer segments while preserving the company's core telecom and defense test franchise.
GL Communications firmographics
Firmographics- Name
- GL Communications
- Legal name
- GL Communications Inc.
- Website
- https://gl.com
- Company type
- Private
- Founded year
- 1990
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- GL Communications is a private Gaithersburg, Maryland-based provider of telecom test and measurement hardware and software—including 400G packet capture, 5G protocol emulation, and voice quality testing—selling to telcos, network equipment manufacturers, aerospace and defense primes, and government agencies worldwide.
- Ownership category
- akta.pro rank
Where GL Communications is headquartered
LocationHeadquarters
- HQ city
- Gaithersburg
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
GL Communications business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
Revenue model
- Hardware Appliances and Platforms: GL Communications sells purpose-built hardware appliances for packet capture, network testing, and monitoring. Products include FastRecorder™ 400G (portable and rack-mount), PacketExpert™ 100G/10GX/1G, PacketScan™ HD, vMobile™, and mTOP™ probe platforms. These are sold as one-time capital purchases (hardware sales model) with software licenses bundled.
- Software Licenses and Subscriptions: The company sells software licenses for protocol emulation (MAPS™), packet analysis (PacketScan™), voice quality testing (VQT/AutoVQT™), BERT testing, and related applications. Software is sold with version-specific licensing tied to specific hardware platforms (e.g., PXN100, PXE100, PKS series item numbers).
- Professional Consulting Services: GL Communications provides professional telecom engineering and IT consulting services covering cellular, wireless, microwave, fiber-optic, leased T-1 network, and satellite communications. These professional services are offered as a distinct revenue stream alongside product sales.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Multi-year contract | Enterprise hardware and software solutions sold via direct sales with quote-based pricing |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels6 records
GL Communications product offering
Product offeringCore offering
GL Communications designs, manufactures, and sells telecom test and measurement solutions spanning wireless (2G through 5G), Ethernet/IP, optical, and TDM networks. The portfolio combines purpose-built hardware appliances (packet capture, network probes, portable testers) with the MAPS™ protocol emulation and simulation software platform, enabling service providers, network equipment manufacturers, and government organizations to perform analysis and emulation of telecom traffic. The company also provides professional telecom engineering and IT consulting services covering cellular, wireless, microwave, fiber-optic, leased T-1, and satellite communications.
Product overview
GL Communications offers a comprehensive telecom test and measurement portfolio comprising packet capture and analysis solutions (FastRecorder™ 400G, PacketExtractor™, PacketScan™ HD), Ethernet/IP testing platforms (PacketExpert™ 100G, 10GX, 1G), and the MAPS™ protocol emulation platform supporting 5G, 4G, 3G, 2G, SIP, and ATM testing. Additional offerings include voice quality testing (VQT, VQuad™, AutoVQT™), network surveillance (NetSurveyorWeb™), satellite testing (vMobile™), SONET/SDH testing (SonetExpert™), and T1/E1 solutions. The portfolio serves service providers, network equipment manufacturers, enterprises, data centers, and government organizations.
Differentiator
Problem solved
Functional benefit
Brands
- MAPS: Protocol emulation and simulation platform supporting multiple network technologies including 5G, 4G, 3G, 2G, SIP, and various interface emulators
- PacketExpert
- PacketScan
- FastRecorder
- PacketExtractor
- vMobile
- NetSurveyorWeb
- SonetExpert
- VQuad
Products and services
- FastRecorder™ 400G High-speed wirespeed packet capture appliance supporting up to 2×400 Gbps duplex capture with 6 TB/minute recording rates, nanosecond timestamping, NVMe storage up to 240 TB, and hardware-assisted filtering for high-speed Ethernet and IP networks.
- PacketExtractor™ 400G Offline packet extraction and analysis tool that processes raw 400G recordings using time-based filters, packet count limits, file size limits, protocol filters, and session-based filtering, outputting PCAP/PCAPNG formats for analysis in PacketScan™ HD or Wireshark.
- PacketScan™ HD High-density packet capture and monitoring appliance for real-time analysis of high-speed Ethernet and IP network traffic, offering deep packet inspection, nanosecond timestamping, and flexible deployment across lab, field, and live network environments.
- PacketExpert™ 100G Ethernet/IP test solution supporting speeds up to 100 Gbps, providing comprehensive testing capabilities including BERT, RFC 2544, and Y.1564 testing for network equipment and service validation across copper and fiber interfaces.
- PacketExpert™ 10GX
- PacketExpert™ 1G
- MAPS™ Platform
- MAPS™ ED-137/ED-138 Emulators
- vMobile™
Quantifiable outcome
- Lossless duplex 400G packet capture up to 800 Gbps aggregate throughput with recording rates reaching 6 TB per minute
- +3 more outcomes
Companies that use GL Communications
Customer profileNamed customers34 records
Segments5 records
GL Communications technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
AI capability2 records
Feature9 records
GL Communications partnerships and signals
Strategic signalScale indicators4 records
Recent moves6 records
Expansion highlights5 records
GL Communications competitors and assessment
Company assessmentBroad incumbents
- Rohde & Schwarz: Rohde & Schwarz is a privately held German T&M giant spanning wireless conformance, network analyzers, and spectrum monitoring. It sells into the same aerospace/defense and telecom buyer set as GL, but at much broader scale and across more test categories.
- Viavi Solutions: Viavi (now including Spirent) provides network test, assurance, and fiber/optical instruments that overlap heavily with GL's PacketExpert Ethernet/IP testers, FastRecorder wirespeed capture, and protocol emulators. Direct overlap on the same service-provider and NEM buyer set.
- Keysight Technologies: Keysight is the dominant telecom and wireless test & measurement company (>$5B revenue), offering RF, protocol, and conformance test solutions overlapping directly with GL's full-stack 2G–5G, Ethernet/IP, and optical portfolio. Vastly larger and multi-domain, but it competes head-to-head for the same service-provider and NEM testing RFPs.
- Anritsu Corporation: Anritsu is a Japanese telecom T&M incumbent with strong mobile/wireless test and field measurement offerings. It overlaps GL's serving customer set (Tier-1 MNOs and NEMs), but competes primarily on RF/handheld and base-station test rather than high-speed wirespeed packet capture.
Direct peers
- NetScout Systems: NetScout provides packet brokers, network performance monitoring, and high-speed tap infrastructure that materially overlap with GL's PacketScan HD and FastRecorder captures at hyperscale, data center, and large-enterprise customers.
- Bird Technologies: Bird Technologies manufactures RF test and measurement instruments (power meters, loads, signal analyzers) serving defense, broadcast, and wireless carrier markets. Comparable in its specialty-test positioning and aerospace/defense customer overlap with GL's hardware portfolio.
- EXFO Inc. EXFO is a comparable-scale public peer focused on fiber, optical transport, and Ethernet service assurance testing — directly overlapping with PacketExpert, FastRecorder, and PacketScan HD use cases at carriers and NEMs.
- Spirent Communications: Spirent is a long-standing direct competitor in telecom/wireless protocol emulation and Ethernet/IP testing. Closely aligned with GL on 5G core/RAN emulation, Open RAN validation, and carrier-grade Ethernet benchmarking, though now operating as a division within Viavi.
- LitePoint: LitePoint (a Teradyne division) builds wireless connectivity test (Wi-Fi, Bluetooth, cellular) for chipset and device makers — overlapping GL's wireless protocol validation and vMobile device-test capabilities, particularly at customers like Qualcomm and Apple.
Emerging players
- Calnex Solutions: Calnex is a smaller, publicly listed emerging player specializing in telecom timing and synchronization testing — adjacent to GL's protocol and Ethernet testing, with overlap at Tier-1 carrier and NEM labs but a narrower product surface.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights5 records
Customer concentration
GL Communications social profiles
Digital presenceGL Communications financial estimates
Financial estimateRevenue estimate
Valuation estimate
GL Communications leadership team
Management profileNumber of profiles
GL Communications funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GL Communications M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about GL Communications
What does GL Communications do?
GL Communications designs, manufactures, and sells telecom test and measurement solutions spanning wireless (2G through 5G), Ethernet/IP, optical, and TDM networks. The portfolio combines purpose-built hardware appliances (packet capture, network probes, portable testers) with the MAPS™ protocol emulation and simulation software platform, enabling service providers, network equipment manufacturers, and government organizations to perform analysis and emulation of telecom traffic. The company also provides professional telecom engineering and IT consulting services covering cellular, wireless, microwave, fiber-optic, leased T-1, and satellite communications.
Is GL Communications a public or private company?
GL Communications is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was GL Communications founded?
GL Communications was founded in 1990. It employs 1 to 10 people.
Where is GL Communications based?
GL Communications is headquartered in Gaithersburg, United States, in the North America region.
How does GL Communications make money?
Three revenue lines are on record. Hardware Appliances and Platforms are the primary driver. The others are software Licenses and Subscriptions and professional Consulting Services.
Who are GL Communications's main competitors?
Broad incumbents on record are Rohde & Schwarz, Viavi Solutions, Keysight Technologies and Anritsu Corporation. Direct peers are NetScout Systems, Bird Technologies, EXFO Inc., Spirent Communications and LitePoint. Calnex Solutions is listed as an emerging player.
Does GL Communications have an API?
Yes. GL Communications provides Python and REST APIs for test automation and remote access. The FastRecorder™ 400G solution supports Python and REST APIs for test automation and regression testing. The PacketExpert™ platforms support Python scripting for automated testing and CLI-based automation using Python, C#, and MAPS™ client-server architecture.