19 Best Radio Spectrum Startups to Watch in 2025

The Definitive Seedtable Ranking of Radio Spectrum Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 19 start-ups with an aggregate funding of $411.9m. The average funding per company in this subset is $21.7m.

Last update to the database: Feb 18, 2025. See changelog.

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Siklu logo

Siklu

Siklu is a San Jose, California and Petah Tikva-based telecommunications company developing multi-gigabit wireless fiber connectivity systems for urban, suburban, and rural areas.

4

Funding Rounds

$49.0m

Money raised

Mimosa Networks logo

Mimosa Networks

Mimosa Networks is a Santa Clara, California-based communications systems company developing broadband wireless communication and connection systems.

3

Funding Rounds

$37.1m

Money raised

MaXentric Technologies logo

MaXentric Technologies

MaXentric Technologies is a research and development company which offers consulting services. The company has developed a portfolio of technologies in wireless systems, digital signal processing, and biosensors, among other fields

16

Funding Rounds

$38.0m

Money raised

Movandi logo

Movandi

Movandi is an American venture backed startup company, founded by Maryam Reza and Rofougaran based in Newport Beach, California.

2

Funding Rounds

$62.8m

Money raised

Qualcomm Atheros logo

Qualcomm Atheros

Qualcomm Atheros is a San Jose, California-based company founded in 1985 by Teresa H. Meng.

5

Funding Rounds

$46.8m

Money raised

Imsar, Llc logo

Imsar, Llc

IMSAR is democratizing radar by making it more usable, affordable, and accessible than ever before. They develop high performance multi-mode radar systems capable of all-weather imaging, monitoring, and surface search.

16

Funding Rounds

$7.9m

Money raised

Litepoint logo

Litepoint

Litepoint develops and provides solutions for the efficient testing of wireless devices.

1

Funding Rounds

MixComm, Inc. logo

MixComm, Inc.

MixComm was launched in 2017 to commercialize over 10 years of research at Columbia University on the use of RFSOI process technology for mmWave applications.

4

Funding Rounds

$10.6m

Money raised

Mistral Solutions logo

Mistral Solutions

Mistral Solutions is a product design and systems engineering company founded in 1997 by Rajeev Ramachandra.

1

Funding Rounds

$6.5m

Money raised

General Radar Corp. logo

General Radar Corp.

General Radar Corp. specializes in high-resolution mm-wave radars for the automotive industry.

2

Funding Rounds

$26.9m

Money raised

BridgeWave Communications logo

BridgeWave Communications

BridgeWave Communications is a San Diego-based company founded in 1999.

4

Funding Rounds

$27.2m

Money raised

E-Band Communications logo

E-Band Communications

E-Band Communications designs and manufactures multi-gigabit capacity wireless communications systems for the 70/80 GHz spectrum using microwave monolithic integrated circuit (MMIC) technology for mobile operator, financial services, carriers, cable, government and internet service providers. Products include macro cell, small cell backhaul solutions and antennas.

3

Funding Rounds

$3.2m

Money raised

Blu Wireless logo

Blu Wireless

Blu Wireless provides ultra-fast and seamless 5G mmWave solutions with a committment to developing cutting-edge network technology.

1

Funding Rounds

$4.3m

Money raised

Cambridge Communication Systems logo

Cambridge Communication Systems

Cambridge Communication Systems is a Cambridge, U.K.-based company developing computer networking hardware for deployment in urban wireless networks.

2

Funding Rounds

$8.8m

Money raised

Fastback Networks logo

Fastback Networks

Fastback Networks is a company founded in 2010.

1

Funding Rounds

$15.0m

Money raised

Verana Networks logo

Verana Networks

Verana Networks is engaged in the development of a 5G radio access network solution for wireless service providers.

2

Funding Rounds

$39.0m

Money raised

Sub10 Systems logo

Sub10 Systems

Sub10 Systems is a provider of wireless ethernet bridge for mobile backhaul communications. Its products include Wireless Ethernet Bridges, MMW Wireless Ethernet Bridges, Wireless Backhaul Solutions. In 2015 it merged with fastback networks. The merger is expected on providing high performance backhaul solutions essential to the deployment of LTE, LTE-A, VoLTE, 4G and 5G mobile networks.

1

Funding Rounds

$3.8m

Money raised

Mobix Labs logo

Mobix Labs

Mobix Labs is a fabless RF semiconductor company focused on developing the building blocks necessary for simplifying the design of next generation wireless products.

1

Funding Rounds

$10.0m

Money raised

Auspicision logo

Auspicision

GuRu is a millimeter-wave (mmWave) technology company developing products for business and people who want to stop running wires, changing batteries, or plugging things in. GuRu's first products will deliver electric power through the air.

1

Funding Rounds

$15.0m

Money raised