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In-Building DAS & Passive Components

Eliminate dead zones with wideband, Low PIM solutions supporting multi-operator combiners and seamless indoor coverage.

Discuss Your DAS Project

Core Product Portfolio: In-Building & Passive

Power Splitter

Divides signal equally into 2, 3, or 4 outputs. Featuring ultra-low PIM (≤ -160 dBc) and broad frequency coverage (698-3800 MHz), ensuring pure signal quality for high-power IBS distribution networks.

Key Features:

Wideband
698-3800MHz
≤ -160dBc
Low PIM
IP65
Rated
Power Splitter

Directional Coupler

Splits signal power unequally with customizable coupling values (5-40dB). High directivity and low insertion loss allow precise signal level control, optimizing coverage balance across building floors.

Key Features:

5-40dB
Options
High Dir.
Directivity
Low Loss
Insertion Loss
Directional Coupler

Hybrid Coupler

Combines or splits two signals with high isolation between ports. Ideal for base station combining and resource sharing in 2x2 MIMO systems. Compact design with excellent phase balance and stability.

Key Features:

High Isol.
≥ 25dB
3dB
Coupling
Low VSWR
Performance
Hybrid Coupler

Multi-band Combiner

The core of multi-operator IBS. Combines disparate bands (GSM, LTE, 5G) into a single passive antenna system without interference. We deliver customized solutions for complex frequency and power requirements.

Key Features:

Multi-Band
Combining
Custom
Design
Stable
Reliability
Multi-band Combiner

Typical IBS Components

Component Type Frequency Range PIM (dBc) Coupling / Split Loss Notes
2-Way / 3-Way / 4-Way Power Splitter 698–3800 MHz ≤ -160 3.0 / 4.8 / 6.0 dB Reactive Design, Low Loss
Directional Coupler 698–3800 MHz ≤ -160 6, 10, 15, 20, 30 dB High directivity
Hybrid Coupler (3dB Bridge) 698–3800 MHz ≤ -160 3.0 dB High isolation ≥ 23 dB
Multi-Band Combiner Custom multiband ≤ -160 System Dependent For combining multiple operators

Typical High-Performance Products

4 Way Multiplexer

4 Way Multiplexer

  • Frequency: 380-2700 MHz
  • Insertion Loss: ≤ 0.5 dB
  • Isolation: ≥ 50 dB
  • VSWR: ≤ 1.3
  • PIM: ≤ -155 dBc @ 2x43 dBm
Hybrid Coupler 4x4

4x4 Hybrid Coupler

  • Frequency: 380-3800 MHz
  • PIM Rating: -160 dBc @ 2x43dBm
  • VSWR: ≤ 1.30
  • Isolation: ≥ 25 dB
  • Power Rating: 300W
10 In 2 Out POI

10 In 2 Out POI

  • Frequency: 800-2100 MHz
  • Insertion Loss: ≤ 5.5 dB
  • VSWR: ≤ 1.3
  • PIM: ≤ -150 dBc
  • Power Rating: 200W / 500W (Avg)

Application Scenario: Large Venues & Metro

In high-density areas like airports, subway stations, and stadiums, our wideband DAS components support full 2G/3G/4G/5G coverage, ensuring seamless connectivity for thousands of concurrent users.

Recommended Configuration:

  • POI Combiner: Multi-operator signal access
  • Hybrid Coupler: Balanced signal distribution
  • Directional Coupler: Flexible coverage extension

💡 Get specialized IBS design proposals for metro transit →

Indoor DAS Application

Design Resources

For project-based IBS solutions, we can provide system-level BOM suggestions and Visio stencils.