AmpliTech Group
NASDAQ:AMPGWAmpliTech Group, Inc. designs, engineers, and assembles micro-wave component-based amplifiers. The company's products include radio frequency (RF) amplifiers and related subsystems, such as low noise amplifiers for use in receivers of various communication systems comprising Wi-Fi, radar, satellite, base station, cell phone, radio, etc.; and medium power amplifiers that provide enhanced output power and gain in transceiver chains. It provides specialty microwave block downconverters used as a test device on satellite access point antennas; specialty microwave 1:2 Tx protection switch panels that is used in satellite communication earth stations; desktop/benchtop and compact wideband power amplifiers used in SATCOM rack mount systems, as well as test equipment used in integrators and manufacturers of various communications systems, such as cellular base stations, simulators, and point to point wireless radios; and waveguide to coaxial adapters for SATCOM and satellite internet gateway systems. In addition, the company offers cryogenic amplifiers for quantum computing, medical, RF imaging, research and development, space communications, accelerators, radiometry, and telephony applications; and cryogenic and non-cryogenic 4g/5g small cell subsystems for high-speed networks and airline Wi-Fi systems. Further, it provides custom assembly designs and non-recurring engineering services on a project-by-project basis, as well as IC packaging and lids products. The company serves aerospace, government, defense, commercial satellite, and wireless industries through sales representatives and distributors in the United States, Europe, the Middle East, and South Asia. AmpliTech Group, Inc. was founded in 2002 and is based in Hauppauge, New York.
AST SpaceMobile
NASDAQ:ASTSWAST SpaceMobile, Inc., together with its subsidiaries, develops and provides access to a space-based cellular broadband network for smartphones in the United States. Its SpaceMobile service provides cellular broadband services to end-users who are out of terrestrial cellular coverage. The company was founded in 2017 and is headquartered in Midland, Texas.
Baylin Technologies
OTCMKTS:BYLTFBaylin Technologies Inc., together with its subsidiaries, researches, designs, develops, manufactures, and sells passive and active radio frequency (RF) products, satellite communications products, and supporting services. It offers embedded antennas for use in smartphones, tablets, and other mobile devices; device-specific antennas for Wi-Fi routers; gateway devices for smart home connectivity, set-top boxes, and land mobile radio products. The company provides RF components, including GaN-based power amplifiers, gallium arsenide-based power amplifiers, indoor and outdoor frequency converters, and transceivers; and antenna controllers for customers in the broadcast, maritime and cruise ships, government and military, homeland security, direct-to-home satellite, oil and gas, and wireless communications verticals. In addition, it provides RF and microwave solid state power amplifiers; and pulsed amplifiers for radar applications, and transmitter and transceiver products, as well as RF passive components and systems. The company offers its products under the Galtronics, and Advantech Wireless brands. Baylin Technologies Inc. was founded in 1978 and is headquartered in Toronto, Canada.
Comba Telecom Systems
OTCMKTS:COBJFComba Telecom Systems Holdings Limited, an investment holding company, research, develops, manufactures, and sells wireless telecommunications network system equipment and related engineering services in Mainland China, rest of Asia Pacific, the Americas, the European Union, the Middle East, and internationally. It operates through two segments: Wireless Telecommunications Network System Equipment and Services, and Operator Telecommunication Services. The company provides base station antennas and subsystems; open radio; ScanViS; and network system products, as well as cell site and enterprise solutions; consultancy, DAS network design, maintenance, and network optimization; and technical support, value-added, and repairing services. It engages in assembling, trading, and marketing of wireless telecommunications network system equipment; manufacture and sale of intelligent machinery; research and development, and trading of digital microwave system equipment; marketing; and provision of hardware and software solutions and services. It serves the airport, education, government and public safety, healthcare, hospitality, retail, stadium, and transportation industries. The company was founded in 1995 and is headquartered in Tai Po, Hong Kong.