RANsemi
RANsemi is a Bristol-based British semiconductor company designing Open RAN-compliant baseband SoCs (RNS802, RNS805) and carrier-grade PHY/O-RU software for 4G/5G/6G radio access networks, serving defense operators, private network deployers, neutral host providers, and small cell OEMs via direct and partner channels worldwide.
- Company typePrivate
- Founded2023
- HeadquartersBristol, United Kingdom
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What RANsemi does
RANsemi Limited is a Bristol, United Kingdom-based semiconductor company (registered in England and Wales, Company Number 15299371) that designs Open RAN standard-compliant baseband System-on-Chip (SoC) platforms and carrier-grade software for 4G, 5G, and emerging 6G radio access networks. The product portfolio centers on two proprietary SoCs: the RNS802, a 3GPP-compliant 5G/4G PHY SoC for integrated and disaggregated small cell RAN architectures, and the RNS805, an O-RAN Alliance compliant Cat A O-RU SoC. These are complemented by carrier-grade Full PHY software (NR, LTE, dual-mode, meeting SCF FAPI), O-RU software supporting the Open Fronthaul C/U/S/M planes, development boards (RNS802DB, RNS805RDB, RNS805-RU-BB), the ORANIC PCI-e accelerator card integrating four RNS802 SoCs, and the 5G Open RAN Starter Kit combining RANsemi silicon with SRS, Texas Instruments, and iCana components for end-to-end O-RAN Split 7.2 evaluation.
The company serves five primary segments—defense and public safety, private networks, neutral host, small cells, and non-terrestrial networks (NTN)—via a direct enterprise field-sales motion with international coverage across Europe, Asia, and North America, supplemented by a technology-partner channel (Radisys, TechPhosis, Gigalane) and standards-body alignment with 3GPP, the O-RAN Alliance, and the Small Cell Forum. Revenue is generated from silicon product sales (RNS802/RNS805 SoCs), PHY and O-RU software licensing (binary or source code tiers, with M-Plane always source-code for customization), and development platform/starter-kit hardware sales; specific pricing is quote-based and not publicly disclosed.
RANsemi pursues R&D toward AI-native RAN architectures and 6G capabilities including agentic base stations and Integrated Sensing and Communications (ISAC). It maintains leadership roles at the UKTIN AI Working Group (CTO), the SCF Non-Terrestrial Networks Working Group (VP Product Management), and the O-RAN Alliance. Headcount is reported at 1–10 employees and no external funding rounds are disclosed in the source material.
RANsemi firmographics
Firmographics- Name
- RANsemi
- Legal name
- RANsemi Limited
- Website
- https://ransemi.com
- Company type
- Private
- Founded year
- 2023
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- RANsemi is a Bristol-based British semiconductor company designing Open RAN-compliant baseband SoCs (RNS802, RNS805) and carrier-grade PHY/O-RU software for 4G/5G/6G radio access networks, serving defense operators, private network deployers, neutral host providers, and small cell OEMs via direct and partner channels worldwide.
- Ownership category
- akta.pro rank
RANsemi industry classification
Industry- Product category
- Open RAN Baseband Semiconductors
- NAICS
- Semiconductor and Related Device Manufacturing (334413), Computer Systems Design and Related Services (5415)
- SIC
- Semiconductors & Related Devices (3674), Computer Communications Equipment (3576)
- akta.pro primary industry
- vRAN & Open RAN Platforms (CU/DU, RIC, xApps/rApps) (HDAIAIAA)
- akta.pro secondary industries
- System-on-Chip (SoC) Platforms (Mobile/Consumer/Embedded) (HDAHAJAC), Network Hardware Components (ASICs/NICs/Transceivers) (HDABAFAN)
Keywords
Where RANsemi is headquartered
LocationHeadquarters
- HQ city
- Bristol
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
RANsemi business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Personnel, Supply Chain, Marketing or Sales, Operations, Infrastructure
Revenue model
- Silicon Product Sales: Sale of RNS802 and RNS805 baseband SoCs to system integrators, defence contractors, and network equipment manufacturers for integration into their products.
- PHY Software Licensing: Licensing of carrier-grade NR PHY, LTE PHY, and dual mode software for RNS802 SoC. Available as binary or source code license options. Includes evaluation and commercial binary/source code license tiers.
- O-RU Software Licensing: Licensing of 3GPP and O-RAN Alliance compliant O-RU software for RNS805 SoC including NR O-RU, LTE O-RU, and M-Plane software. Binary and source code options available; M-Plane always source code for customization.
- Development Platforms and Starter Kits: Sale of development boards (RNS802DB, RNS805RDB, ORANIC) and integrated 5G Open RAN Starter Kit combining SoCs, software, and third-party components (SRS, TI, iCana) for evaluation and prototyping.
Go-to-market motion3 records
Distribution channels3 records
Marketing channels7 records
RANsemi product offering
Product offeringCore offering
RANsemi designs and sells purpose-built Open RAN baseband System-on-Chip (SoC) silicon (RNS802 and RNS805) along with carrier-grade PHY and O-RU software, development boards, and an integrated 5G Open RAN Starter Kit. These platforms enable system integrators, OEMs, defence contractors and operators to build 4G/5G small cells, O-RU radio units, O-DU servers, private networks, neutral host deployments, mission-critical tactical communications and emerging AI-native 6G architectures, all conforming to 3GPP, O-RAN Alliance and Small Cell Forum standards.
Product overview
RANsemi is a British semiconductor company offering silicon and software platforms for 4G, 5G, and emerging 6G radio access networks. The product portfolio consists of two primary SoC lines: the RNS802 (3GPP-compliant 5G/4G PHY for integrated/disaggregated small cells) and RNS805 (O-RAN Alliance Cat A O-RU SoC). Supporting these, the Full PHY Product Line provides development boards (RNS802DB) and carrier-grade PHY software (NR, LTE, dual mode), while the O-RAN Split 7.2 Product Line includes the ORANIC accelerator card, RU demonstrator boards (RNS805RDB, RNS805-RU-BB), and High PHY/O-RU software. The 5G Open RAN Starter Kit brings together all components into a complete end-to-end evaluation platform combining RANsemi silicon with SRS, TI, and iCana components. Solutions span neutral host, private networks, defense communications, small cells, and non-terrestrial networks.
Differentiator
Problem solved
Functional benefit
Brands
- RNS802: 3GPP-compliant 5G/4G PHY SoC for integrated and disaggregated small cell RAN architectures.
- RNS805
- ORANIC
- 5G Open RAN Starter Kit
Products and services
- RNS802 SoC 3GPP-compliant 5G/4G PHY System-on-Chip for integrated and disaggregated small cell RAN architectures. Connects to partner L2/L3 software over SCF FAPI via PCIe and to partner RFICs over JESD204B. Designed for system integrators, OEMs and network equipment vendors building Open RAN small cells and O-DU platforms.
- RNS805 SoC Optimised System-on-Chip for O-RAN Alliance compliant Cat A O-RU, conforming to 3GPP 5G/4G standards. Supports Open Fronthaul Control, User, Synchronisation and Management planes via RANsemi O-RU software. Targets OEMs and integrators building Cat A O-RU radio units.
- RNS802DB Development Board Flexible 5G NR/LTE development platform for evaluating the RNS802 in small cell use cases. Contains the RNS802 SoC connected to an NXP LS1046A NPU and ADI ADRV9029 RF transceiver with SMA connectors for RF signals. Sold to system integrators, OEMs and research teams for evaluation and prototyping.
- RANsemi Full PHY Software Carrier-grade 3GPP-compliant PHY software for the RNS802 SoC including NR PHY, LTE PHY and dual-mode NR/LTE PHY. Meets SCF FAPI specifications and includes Network Monitor Mode capability; available as binary or source code licence. Licensed to system integrators and OEMs integrating the RNS802 into small cell products.
- ORANIC Board 16x add-in PCIe board for 5G/4G O-RAN O-DU servers. Integrates four RNS802 SoCs with four 10/25 Gigabit Ethernet SFPs carrying O-RAN Alliance Open Fronthaul and interfaces with partner L2 software over SCF FAPI. Sold to OEMs, integrators and operators building O-DU servers.
- RNS805RDB RU Demonstrator Board Flexible 5G/4G Radio Unit board demonstrating the RNS805 SoC as an O-RAN Alliance Cat A O-RU. Includes an on-board TI AFE7769D RF transceiver and n78 RFFE front-end, with NR RU demo software available. Sold to OEMs and integrators evaluating RNS805-based O-RU designs.
- RNS805-RU-BB RU Baseband Board Complete plug-and-play Split 7.2 radio unit baseband board combining the RANsemi O-RU SoC with a TI AFE7769D transceiver. Supports full 4T4R 5G/4G across TDD and FDD with DPD and up to 300 MHz IBW, designed as a drop-in solution for small cell and macro O-RU development. Sold to OEMs and integrators building O-RU products.
- O-DU High PHY Software 5G NR 3GPP-compliant High PHY carrier-grade software running on the RNS802 SoC. Meets O-RAN Alliance and SCF specifications for O-DU deployments and is available as binary or source code licence. Licensed to integrators and OEMs building O-DU platforms.
- O-RU Software 3GPP and O-RAN Alliance compliant carrier-grade software for the RNS805 SoC, including NR O-RU, LTE O-RU and O-RU M-Plane. Supports C-, U- and S-Plane with binary and source code licence options; M-Plane is licensed as source code for customer modification. Licensed to OEMs and integrators building O-RU radio units.
- 5G Open RAN Starter Kit Complete out-of-the-box small cell network evaluation platform for 5G development. Compact O-RAN Split 7.2 5G system featuring the RANsemi RNS802 SoC 5G High PHY and RU Demonstrator Board with the RNS805 O-RU SoC, including 5G SA Core, CU and DU with SRS, TI and iCana components. Sold to operators, integrators, OEMs and research teams for evaluation and prototyping.
Quantifiable outcome
- Deployed in commercial networks worldwide
- +1 more outcomes
Companies that use RANsemi
Customer profileNamed customers1 record
Segments5 records
Ideal customer profiles3 records
RANsemi technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability3 records
Feature8 records
RANsemi partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core.
- TechPhosiscoreIntegration of Linux Foundation's open source OCUDU CU/DU software stack with RANsemi RNS802 baseband PHY using SCF FAPI interface. Demonstrates open source CU/DU combined with commercial PHY via industry-standard interfaces. Extends from November 2025 partnership on Integrated Small Cell Starter Kit. Applications include private networks, mission-critical communications, and defence-related wireless infrastructure.
- ApeirooncoreRNS802 5G RAN baseband SoC powers Apeiroon's mission-critical and tactical wireless systems including backpack-based communication systems for first responders and vehicle-mounted relay systems for tactical operations. Collaboration validates RANsemi's integrated baseband silicon approach for next-generation deployable networks requiring no dependency on external infrastructure.
- RadisyscoreExpanded collaboration to advance tactical and mission-critical 5G communications combining RANsemi's software-defined baseband platforms with Radisys' 3GPP Release 18 compliant 5G RAN and Core software. Joint platform targeted at defence, security and public safety operators with field deployment across land, sea and air domains. Both companies continue collaborating on extending features for tactical and mission-critical 5G communications.
- TechPhosiscoreUK-India partnership developing Integrated Small Cell (ISC) Starter Kit combining RANsemi's PHY with TechPhosis' Layer 2/3 expertise. Aligned with UK-India Telecoms Security Initiative. Scheduled for Q1 2026 availability. Delivers carrier-grade 5G solution built on low-power consumption SoC with ultra-cost-optimized design for OEMs and system integrators.
- Small Cell ForumcoreIndustry standards body contributing to SCF FAPI specifications and small cell standards. RANsemi's products conform to Small Cell Forum specifications. VP Product Management Vicky Messer serves as Co-Lead of SCF Non-Terrestrial Networks Working Group.
- O-RAN AlliancecoreIndustry standards organization for Open RAN architectures. RANsemi's RNS805 is O-RAN Alliance compliant Cat A O-RU SoC. Platforms support O-RAN Alliance Open Fronthaul Control, User, Synchronisation and Management planes.
- 3GPPcoreStandards body defining 5G and 4G specifications. RANsemi products are 3GPP-compliant supporting NR and LTE standards across Release 18 and earlier versions.
Scale indicators4 records
Recent moves6 records
Expansion highlights6 records
RANsemi competitors and assessment
Company assessmentDirect peers
- Airspan Networks: Airspan Networks is an Open RAN systems provider that acquired Picocom to integrate baseband silicon into its end-to-end small cell and macro O-RAN portfolio. Airspan competes directly with RANsemi's customers and increasingly in the baseband silicon stack.
- Mavenir: Mavenir is a pure-play Open RAN software vendor offering end-to-end 4G/5G solutions across RAN, core, and analytics. It competes with RANsemi's partner Radisys and is a relevant ecosystem peer in the Open RAN deployment stack.
- Picocom (Airspan): Picocom, now part of Airspan Networks, designs 5G NR small cell baseband SoCs for Open RAN architectures. It is the closest direct peer to RANsemi, competing head-to-head in PHY/baseband silicon for integrated small cells and disaggregated O-RU deployments.
- Parallel Wireless: Parallel Wireless provides Open RAN-compliant macro and small cell solutions with an emphasis on software-defined, hardware-agnostic architectures. It is a direct competitor in the Open RAN ecosystem, partnering with various baseband silicon providers.
Others
- NXP Semiconductors: NXP's Layerscape and i.MX processors feature in RANsemi's RNS802DB development platform (NXP LS1046A NPU). NXP is an adjacent ecosystem participant and supplier into the Open RAN small cell stack rather than a direct baseband SoC competitor.
Broad incumbents
- Marvell Technology: Marvell's OCTEON Fusion baseband processor family serves 4G/5G base stations and Open RAN architectures. As a broad incumbent, Marvell offers a more comprehensive silicon-plus-software platform with substantially greater R&D resources than RANsemi.
- Qualcomm (FSM Small Cell Platform): Qualcomm's FSM platform family powers 4G/5G small cells and is used by multiple Open RAN vendors. As a broad incumbent, Qualcomm brings significant R&D scale and an established position in mobile-derived baseband silicon.
- Intel (FlexRAN): Intel's FlexRAN reference architecture and Xeon-D based baseband platforms target vRAN and Open RAN deployments. Intel competes across compute, accelerators, and reference designs, making it a broad incumbent with deep operator relationships.
- AMD (Xilinx RFSoC): AMD's Xilinx RFSoC and Zynq UltraScale+ platforms are widely used for 4G/5G baseband prototyping and production deployments. As a broad incumbent in adaptive compute, AMD/Xilinx competes for the same baseband SoC design wins as RANsemi.
Emerging players
- EdgeQ: EdgeQ is a startup developing AI-native 5G base station SoCs that converge baseband and AI compute. It overlaps with RANsemi's baseband SoC focus and with the company's AI-native RAN vision, representing an emerging competitor with comparable architectural ambition.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
RANsemi social profiles
Digital presenceRANsemi financial estimates
Financial estimateRevenue estimate
Valuation estimate
RANsemi leadership team
Management profileNumber of profiles
Profiles5 records
RANsemi funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
RANsemi 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 RANsemi
What does RANsemi do?
RANsemi designs and sells purpose-built Open RAN baseband System-on-Chip (SoC) silicon (RNS802 and RNS805) along with carrier-grade PHY and O-RU software, development boards, and an integrated 5G Open RAN Starter Kit. These platforms enable system integrators, OEMs, defence contractors and operators to build 4G/5G small cells, O-RU radio units, O-DU servers, private networks, neutral host deployments, mission-critical tactical communications and emerging AI-native 6G architectures, all conforming to 3GPP, O-RAN Alliance and Small Cell Forum standards.
Is RANsemi a public or private company?
RANsemi is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was RANsemi founded?
RANsemi was founded in 2023. It employs 11 to 50 people.
Where is RANsemi based?
RANsemi is headquartered in Bristol, United Kingdom, in the Europe region.
How does RANsemi make money?
Four revenue lines are on record. Silicon Product Sales are the primary driver. The others are PHY Software Licensing, O-RU Software Licensing and development Platforms and Starter Kits.
Who are RANsemi's main competitors?
Direct peers on record are Airspan Networks, Mavenir, Picocom (Airspan) and Parallel Wireless. NXP Semiconductors is listed as an others. Broad incumbents are Marvell Technology, Qualcomm (FSM Small Cell Platform), Intel (FlexRAN) and AMD (Xilinx RFSoC). EdgeQ is listed as an emerging player.
Does RANsemi have an API?
No public API is recorded for RANsemi.
What industry is RANsemi in?
RANsemi's product category is Open RAN Baseband Semiconductors. Its primary akta.pro industry code is HDAIAIAA, vRAN & Open RAN Platforms (CU/DU, RIC, xApps/rApps), with a secondary code of HDAHAJAC, System-on-Chip (SoC) Platforms (Mobile/Consumer/Embedded). Its NAICS code is 334413 and its SIC code is 3674.