Indoor Wideband Omni Antenna 350-960MHz 4dBi Low PIM for Airports

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The 350-960MHz Low PIM Wideband Omni Antenna is a high-performance indoor ceiling antenna purpose-built for TETRA, UHF, and Public Safety (700/800MHz) networks. Engineered for ultra-low Passive Intermodulation, it provides reliable, high-gain 360° coverage in mission-critical environments such as airports, transit hubs, and government facilities.

  • Critical Frequency Range: Covers the 350-960MHz spectrum, supporting TETRA, UHF, FirstNet, and low-band cellular IoT.
  • Optimized for Low PIM: Rated at ≤-150 dBc (@2×43 dBm) to ensure interference-free communication for emergency responders.
  • High Gain (4dBi): Delivers superior signal propagation in large indoor spaces compared to standard low-profile antennas.
  • Infrastructure Grade: Features a flame-retardant (UL94-V0) radome and a durable N-Female connector for long-term airport and transit deployments.

Main Product Introduction

The 350-960MHz Wideband Omni Antenna is designed to solve signal dead zones in critical infrastructure where reliability is non-negotiable. With its wide frequency response, it serves as a unified antenna for Public Safety DAS, allowing UHF and 700/800MHz signals to be distributed via a single ceiling mount. This antenna is particularly suited for airports and underground transit systems where signal purity is essential for coordinating ground crews and emergency services.

The antenna utilizes high-grade non-magnetic materials to maintain a consistent Low PIM floor, preventing signal distortion in multi-carrier environments. Its omnidirectional radiation pattern provides uniform horizontal coverage, ensuring that mobile radios and cellular devices maintain connectivity while moving through terminals and corridors. Its robust mechanical design and easy ceiling-mount system facilitate rapid installation in both new constructions and system retrofits.

Why choose this product?

  • Mission-Critical Performance: Specifically tuned for the stability required by TETRA and P25 public safety radio protocols.
  • Interference Mitigation: Low PIM architecture preserves the sensitivity of the base station, crucial for clear voice communication in high-traffic airports.
  • Aesthetic & Functional: The neutral white dome design meets architectural requirements for modern transit terminals while providing 4dBi of signal gain.
  • Broadband Utility: One antenna covers legacy UHF bands and modern 700/800/900MHz LTE/IoT bands, simplifying hardware specifications.
Electrical Specifications
Frequency Range350-806806-960
Gain1.5±0.52.2±0.5
PolarizationLinear
VSWR≤2.3
PIM, 3rd Order, 2 x 20 W,≤-140
Input Power, maximum50
Impedance50
Mechanical Specification
Connector TypeN-female
SizeΦ260×18
Antenna Weight0.3
Mounting KitCeiling, via hole (standard)
Radome MaterialABS, White, RAL9003
Operational Temperature-55~60
Operational Humidity< 95

Application Scenarios

  • Airport Terminals & Hangars: Providing seamless radio and cellular coverage for ground operations and security personnel.
  • Public Safety ERRCS: Essential component for Emergency Responder Radio Coverage Systems in high-rise buildings and transit hubs.
  • Subway & Railway Stations: Distributing UHF and low-band LTE signals in sheltered public areas and platforms.
  • Industrial & Utility Facilities: Ensuring reliable communication for SCADA and IoT sensors operating in the 900MHz ISM band.

FAQ (Frequently Asked Questions)

Why is Low PIM important for airport installations?
Airports host multiple wireless systems (security, operations, cellular). Low PIM ensures these signals don’t mix and create noise that could cause dropped calls or interfere with critical radio channels.
Does this antenna support 4G or 5G?
It supports low-band 4G/5G (600-960MHz). For high-band 5G (3.5GHz/6GHz), it should be used in conjunction with or replaced by our 600-6000MHz wideband antennas.
Is the radome material safe for public spaces?
Yes, the antenna features a UL94-V0 flame-retardant ABS radome, making it compliant with strict fire safety regulations for indoor public infrastructure.
Can I use this for UHF radio systems?
Absolutely. With a starting frequency of 350MHz, it is perfectly suited for UHF and TETRA systems used by security and facility management teams.
Quality Commitment

Why Trust Lxelec? Why Choose Our Products?

At Lxelec, we are committed to delivering only high-quality RF antenna products. Our strict quality assurance procedures ensure consistent performance and reliability in even the most demanding environments.

  • VSWR & Gain tested to meet specifications
  • Polarization & radiation pattern verified in anechoic chambers
  • Environmental tests: temperature, humidity, UV, salt spray, vibration
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  • ISO 9001 certified quality management system

  • RoHS & CE compliant

  • Traceable serial numbers and batch control

  • Third-party reports available

  • Designed for 5–10 years lifespan

  • IP-rated waterproof and dustproof options

  • Stable from -40°C to +85°C

  • Expert RF support for deployment
  • Customization for gain, connectors, cables, frequency bands
  • Fast, responsive after-sales service
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