Skip to content
    UHF SISO 3 dBi Ceiling Antenna
    UHF SISO 3 dBi Ceiling Antenna thumbnail 1

    Overview

    This 450–470 MHz indoor ceiling antenna provides reliable 360° UHF coverage for two-way radio, LMR, repeater, DAS, and in-building communication systems. With 3 dBi gain, vertical polarization, a compact white ceiling-mount design, RG141 cable, and an N-Female connector, it is an easy-to-install solution for improving indoor radio coverage in offices, warehouses, hospitals, hotels, parking areas, and other commercial or industrial facilities.
    Professional 450–470 MHz UHF Indoor Ceiling Antenna for Reliable In-Building Radio CoverageThis industry-leading 450–470 MHz UHF indoor ceiling antenna is engineered for professional two-way radio, Land Mobile Radio, public safety, repeater, BDA, DAS, industrial communication, security communication, and private radio network applications. Designed specifically for the 450–470 MHz UHF frequency range, the antenna combines 3 dBi gain, vertical polarization, 360° horizontal omnidirectional coverage, an 85° vertical beamwidth, VSWR ≤1.8, 50 Ω impedance, and up to 50 W input power. For system integrators, radio dealers, RF distributors, public safety communication contractors, and professional wireless solution providers, this antenna provides a best-in-class solution for improving indoor UHF coverage while maintaining a clean and professional ceiling-mounted appearance. Its compact white ABS enclosure, integrated RG141 coaxial cable, and N-Female connector make it particularly suitable for commercial buildings, industrial facilities, warehouses, hospitals, hotels, campuses, transportation facilities, parking structures, and other locations where dependable indoor UHF communication is required. Dedicated 450–470 MHz UHF PerformanceUnlike generic wideband indoor antennas designed to cover many unrelated frequency ranges, this antenna is optimized specifically for professional UHF communication within 450–470 MHz. This focused frequency range makes it an excellent choice for radio networks that require predictable RF performance within the supported spectrum. Typical compatible applications can include: UHF Land Mobile Radio LMR communication systems Professional two-way radio Public safety radio Emergency communications Commercial radio networks Business radio systems Industrial communications Security radio systems Private UHF networks Repeater systems BDA systems Distributed Antenna Systems In-building radio coverage systems Compatibility should always be verified against the actual operating frequencies of the radio system. Key Product SpecificationsSpecification Performance Frequency Range 450–470 MHz Gain 3 dBi VSWR ≤1.8 Impedance 50 Ω Polarization Vertical Horizontal Beamwidth 360° Vertical Beamwidth 85° Maximum Input Power 50 W Protection DC Ground Connector N-Female Cable Type RG141 Cable Length 40 cm Operating Temperature -40°C to +65°C Weight Approx. 120 g Dimensions Φ165 × 105 mm Cover Material ABS Color White 360° Omnidirectional Indoor CoverageFull Horizontal CoverageThe antenna provides 360° horizontal coverage, allowing UHF signals to be distributed around the antenna installation point. This omnidirectional radiation pattern is highly valuable in indoor applications because radio users may approach the antenna from many different directions. Rather than focusing RF energy toward one specific area, the antenna provides broad surrounding coverage that is ideal for centrally located ceiling installations. This makes it particularly useful in: Office floors Warehouses Hotels Hospitals Shopping centers Industrial buildings Transportation terminals Parking garages Commercial facilities Educational campuses 85° Vertical BeamwidthThe 85° vertical beamwidth provides a controlled radiation pattern suitable for ceiling-mounted applications. When properly positioned as part of an engineered RF system, this beam pattern helps direct useful radio coverage toward occupied areas while maintaining broad horizontal distribution. The combination of 360° horizontal coverage and an 85° vertical beamwidth makes this antenna a powerful solution for professional indoor radio coverage. Balanced 3 dBi GainFor indoor communication systems, extremely high gain is not always desirable. High-gain antennas may create narrower coverage patterns, while many indoor installations require wide and consistent coverage across surrounding areas. The 3 dBi gain of this antenna provides a practical balance between RF performance and broad omnidirectional coverage. This makes it highly suitable for indoor Distributed Antenna Systems, repeater systems, BDA installations, and two-way radio networks where dependable coverage is more important than highly directional long-distance transmission. Solve Weak Indoor UHF Signal ProblemsBuildings can significantly reduce radio signal strength. Common RF obstacles include: Reinforced concrete Structural steel Thick internal walls Elevators Equipment rooms Underground floors Metal shelving Machinery Complex building layouts These obstacles can create weak signal areas and radio dead zones. When this antenna is integrated into a properly engineered UHF communication system, it can help solve many common indoor RF problems. Reduce Indoor Radio Dead ZonesOne of the most important applications of this ceiling antenna is improving coverage in areas where handheld radios receive weak or inconsistent signals. Common problem areas include: Basements Stairwells Corridors Mechanical rooms Parking structures Internal offices Underground areas Large warehouses Multiple building floors By strategically installing multiple ceiling antennas through an RF distribution system, integrators can create more consistent coverage throughout a facility. Improve Two-Way Radio ReliabilityProfessional teams depend on reliable radio communication for daily operations. Weak indoor coverage can result in: Missed radio calls Intermittent reception Poor audio quality Communication dead zones Inconsistent handheld coverage Reduced operational efficiency This antenna provides a reliable indoor RF distribution point for compatible 450–470 MHz radio networks. Ideal for Land Mobile Radio SystemsLand Mobile Radio systems are widely used by professional organizations that need dependable voice communications. This antenna is well suited to indoor LMR networks operating within the supported frequency range. Potential applications include: Commercial radio systems Industrial radio networks Municipal communication systems Facility management Security operations Maintenance communication Emergency response Transportation operations Its vertical polarization, 3 dBi gain, and omnidirectional pattern make it particularly suitable for networks using vertically polarized handheld and mobile radios. Public Safety Communication ApplicationsReliable radio coverage can be critical for public safety operations. Where public safety systems operate within 450–470 MHz, this antenna can be incorporated into professional in-building coverage infrastructure. Potential applications include: Police communications Fire department communications EMS communications Emergency response Municipal public safety First responder communications Facility emergency communications The actual operating frequency of the radio network should be confirmed before installation. UHF Distributed Antenna SystemsDesigned for Indoor DAS ApplicationsDistributed Antenna Systems use multiple antennas throughout a building to distribute RF signals more effectively. This antenna is highly suitable as an indoor UHF DAS endpoint because of its: 360° horizontal coverage Ceiling-mounted construction 3 dBi gain 50 Ω impedance N-Female interface Compact appearance A typical system may include: Donor antenna → repeater or BDA → coaxial distribution network → splitters and couplers → indoor ceiling antennas Multiple antennas can be installed throughout a building to create more consistent UHF radio coverage. BDA System ApplicationsBi-Directional Amplifier systems are often used to improve radio coverage inside structures where outdoor radio signals cannot reliably penetrate. The amplified RF signal must still be distributed effectively throughout the building. This antenna provides a professional indoor coverage point for compatible 450–470 MHz BDA systems. Potential BDA installations include: Commercial buildings Parking garages Hospitals Transportation facilities Industrial sites Government facilities Underground areas Large public buildings UHF Repeater SystemsRepeaters can increase radio coverage, but the repeated signal must still be distributed to the areas where users need communication. This antenna can be connected to a compatible repeater distribution network to help extend UHF coverage into difficult indoor locations. Potential coverage areas include: Basements Underground floors Internal rooms Long corridors Warehouses Mechanical areas Parking structures Multi-floor buildings Professional 50 Ω System CompatibilityThe antenna uses standard 50 Ω impedance, allowing it to integrate with professional RF equipment designed for 50-ohm communication systems. Compatible system components may include: RF coaxial cables Jumper cables Repeaters BDA equipment RF splitters Directional couplers Distribution networks Professional radio infrastructure This makes system integration easier for RF engineers, installers, and system integrators. VSWR ≤1.8The antenna provides a specified VSWR of ≤1.8. Proper impedance matching is important because excessive reflected RF energy can reduce overall system efficiency. The specified VSWR performance provides system designers with a defined RF performance target for professional UHF installations. Up to 50 W Input PowerThe antenna supports up to 50 W maximum input power. This provides additional flexibility for professional UHF communication systems that require greater power handling than many low-power consumer wireless products. The 50 W rating makes it suitable for compatible professional radio, repeater, DAS, BDA, and RF distribution applications. Vertical PolarizationThe antenna uses vertical polarization. Vertical polarization is commonly used in many professional handheld, mobile, and LMR communication systems. Matching antenna polarization with the radio network helps support efficient RF communication and consistent system performance. Professional N-Female ConnectorThe antenna is equipped with an N-Female connector. N-type connectors are widely used in professional RF systems because of their secure threaded connection and reliable RF performance. The connector enables integration with compatible: Coaxial feeder cables RF jumpers Splitters Couplers Repeaters BDA systems RF distribution equipment Integrated 40 cm RG141 CableA 40 cm RG141 coaxial cable is integrated with the antenna. This cable provides flexibility between the ceiling-mounted antenna and the main RF connection point. The integrated cable can simplify installation when the feeder cable or RF connection is positioned above the ceiling structure. Compact Ceiling-Mount ConstructionWith dimensions of approximately Φ165 × 105 mm and a weight of approximately 120 g, the antenna provides professional UHF performance in a compact form factor. Its lightweight design helps simplify ceiling mounting and reduces mechanical loading on the installation surface. This makes it particularly suitable for indoor environments where equipment appearance and installation convenience are both important. Clean White ABS EnclosureThe white ABS antenna cover provides a clean and discreet appearance. Unlike exposed industrial antennas, the ceiling-mounted enclosure can blend naturally into many commercial and institutional interiors. It is especially suitable for: Hotels Hospitals Offices Shopping centers Airports Universities Convention centers Government facilities Commercial buildings Wide Operating Temperature RangeThe antenna is designed to operate from -40°C to +65°C. This wide temperature range provides greater installation flexibility in environments where temperatures may fluctuate significantly. Potential applications include: Industrial buildings Warehouses Transportation infrastructure Utility facilities Mechanical rooms Unconditioned indoor areas Industrial Communication SystemsManufacturing and industrial facilities often depend on reliable UHF radio communications. Radio users may include: Production personnel Maintenance teams Security staff Engineers Supervisors Safety personnel Operations teams Industrial facilities can contain metal machinery, structural steel, equipment, storage racks, and other RF obstacles. A distributed system using strategically positioned ceiling antennas can help improve radio availability across these environments. Warehouse and Logistics CommunicationsWarehouses are particularly challenging RF environments. Common obstacles include: Tall metal shelving Storage racks Moving inventory Forklifts Machinery High ceilings Large open spaces The antenna can be incorporated into a professional UHF distribution network to help maintain radio coverage for warehouse employees, logistics teams, security personnel, maintenance staff, and operations management. Commercial Building CommunicationsLarge commercial properties often have multiple teams that rely on two-way radio communication. Typical users include: Security Engineering Property management Maintenance Cleaning services Emergency personnel Facility management A ceiling-mounted omnidirectional antenna can provide an efficient and discreet method of distributing UHF radio signals throughout these buildings. Hotel and Hospitality CommunicationsHotels, resorts, casinos, and convention facilities often rely on professional radio systems for internal communication. Potential users include: Security teams Housekeeping Maintenance Engineering Event staff Facility operations Indoor UHF antennas can help extend communication throughout guest floors, conference spaces, service corridors, basements, and operational areas. Hospital and Healthcare ApplicationsHealthcare facilities frequently include complex building structures that can affect radio coverage. Hospitals may contain: Multiple floors Reinforced walls Equipment rooms Long corridors Basement levels Service areas Where the facility uses a compatible 450–470 MHz radio network, this ceiling antenna can support internal communication for security, facilities management, maintenance, engineering, and emergency operations. Transportation Communication SystemsTransportation facilities require dependable communication across large and complex environments. Suitable applications include: Airports Railway stations Metro stations Bus terminals Transportation hubs Maintenance depots Control facilities The antenna can form part of a professional UHF communication network serving security, operations, maintenance, and emergency personnel. Parking Garage CoverageParking structures can significantly attenuate radio signals because of concrete floors, walls, columns, ramps, and underground construction. This antenna can be installed as part of a repeater, BDA, or distributed RF system to improve UHF communication throughout parking facilities. Campus Communication NetworksUniversities, schools, corporate campuses, and large institutional properties often operate private radio systems. Potential users include: Campus security Maintenance teams Emergency personnel Facility management Operations departments The ceiling-mounted omnidirectional design can help provide coverage in buildings where direct radio communication is difficult. Security Communication SystemsSecurity personnel frequently move between different sections of large buildings. Weak indoor radio coverage can reduce response efficiency and create communication gaps between field personnel and control rooms. This antenna can help support professional UHF security networks in: Shopping malls Hotels Warehouses Hospitals Universities Commercial buildings Industrial facilities Transportation centers Target CustomersThis professional UHF ceiling antenna is particularly suitable for: Public safety system integrators UHF DAS integrators BDA system integrators Repeater system installers LMR system integrators Two-way radio dealers Radio communication contractors RF system integrators Telecom distributors RF equipment distributors Antenna distributors Government contractors Public safety equipment suppliers Utility communication providers Industrial communication integrators Transportation communication contractors Security system integrators Commercial building contractors Facility communication providers RF engineering companies OEM communication equipment companies Private label antenna brands Value-added resellers Professional wireless solution providers Problems This Antenna Helps SolveThis revolutionary indoor UHF coverage solution can help address: Weak indoor radio signals UHF communication dead zones Poor handheld radio coverage Unreliable two-way communication Poor basement coverage Parking garage signal loss Coverage gaps between floors Uneven building-wide RF distribution Weak industrial radio coverage Warehouse communication problems Public safety indoor coverage gaps Insufficient LMR coverage BDA distribution requirements Repeater indoor coverage requirements UHF DAS deployment requirements Poor security team communications Difficult ceiling-level RF distribution What Makes This Product DifferentDedicated UHF DesignThe antenna focuses specifically on 450–470 MHz rather than attempting to cover a very broad range of unrelated frequencies. This focused design makes it highly suitable for professional UHF communication systems. 360° Horizontal CoverageThe full omnidirectional horizontal pattern allows radio signals to be distributed around the antenna installation point. Controlled 85° Vertical BeamwidthThe defined vertical radiation pattern makes the antenna particularly suitable for ceiling-based indoor RF coverage. Professional RF SpecificationsThe combination of: 3 dBi gain VSWR ≤1.8 50 Ω impedance Vertical polarization 50 W power handling provides a strong RF foundation for professional communication systems. Integrated Installation FeaturesThe integrated 40 cm RG141 cable and N-Female connector provide installation flexibility and straightforward connection to professional RF distribution systems. Compact and Discreet AppearanceThe white ABS ceiling enclosure offers professional RF performance without creating the visual impact of a large exposed antenna. Lightweight ConstructionAt approximately 120 g, the antenna is easy to install in a wide range of ceiling environments. Wide Temperature CapabilityThe -40°C to +65°C operating range provides flexibility for demanding indoor and semi-controlled environments. Why Choose This Professional UHF Ceiling AntennaDedicated 450–470 MHz performance Reliable 3 dBi gain 360° horizontal coverage 85° vertical beamwidth Vertical polarization VSWR ≤1.8 Standard 50 Ω impedance Up to 50 W power DC Ground design N-Female RF connector Integrated RG141 coaxial cable Convenient 40 cm cable Compact ceiling installation Lightweight construction Clean white ABS housing Wide operating temperature range Suitable for UHF LMR Ideal for two-way radio Suitable for compatible public safety systems Designed for UHF DAS Compatible with BDA applications Suitable for repeater systems Excellent for commercial buildings Ideal for industrial environments Built for reliable in-building UHF coverage A Best-in-Class Solution for Professional Indoor UHF NetworksFor customers seeking a professional 450–470 MHz indoor antenna, this product delivers an exceptional combination of RF performance, broad omnidirectional coverage, professional connectivity, compact construction, and installation flexibility. Its 3 dBi gain, 360° horizontal beamwidth, 85° vertical beamwidth, vertical polarization, VSWR ≤1.8, 50 Ω impedance, 50 W power handling, N-Female connector, RG141 coaxial cable, and clean ceiling-mounted construction make it a powerful choice for demanding professional UHF communication networks. Whether the project involves Land Mobile Radio, two-way radio, public safety communications, UHF DAS, BDA, repeaters, industrial communications, warehouses, hospitals, hotels, transportation facilities, security networks, commercial buildings, or private UHF systems, this game-changing indoor ceiling antenna provides the reliable RF coverage and professional installation characteristics required for modern in-building communication infrastructure.

    Related Products

    No related products found.

    Reviews

    Loading…

    UHF SISO 3 dBi Ceiling Antenna

    Model Number: UHF-SISO-CEILING-3

    A compact 450–470 MHz indoor ceiling antenna that provides reliable 360° UHF coverage for two-way radio, LMR, repeater, and in-building communication systems.

    Features

    • 450–470 MHz UHF Coverage
    • 3 dBi Reliable Performance
    • 360° Omnidirectional Indoor Coverage
    • 85° Vertical Beamwidth
    • Low VSWR ≤1.8
    • 50W Power Handling
    • Standard N-Female Connector
    • 40cm RG141 Cable
    • Compact Ceiling Mount Design
    • Wide Temperature Operating Range

    Frequently Asked Questions

    We use cookies and similar technologies to improve your experience, analyze traffic, and for marketing. You can choose which categories to allow. Privacy Policy