

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.
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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




