Antenna Allocation Host TK-355A

1. Product Overview

This product is a multi-channel UHF wireless antenna distribution and amplification system designed for professional audio and wireless microphone environments. It supports centralized antenna sharing for multiple wireless receivers, significantly improving signal stability, reception range, and system scalability.

The system is suitable for large-scale conference rooms, stage performances, broadcast setups, and multi-channel wireless microphone installations.

2. Front Panel Display & Control Interface

• Equipped with a 2.2-inch HD color display (480 × 800 resolution)

• Supports customizable startup logo display

• Real-time monitoring of:

• Date and time

• Frequency band status

• Power level indicators

• Knob-based parameter control interface

This interface provides clear system status visualization and simplified operational control.

3. System Connectivity & Expansion Design

• USB port available for system connection and configuration

• Dedicated cascading interface on the main unit for multi-device expansion

Cascading capability:

• Supports stable operation of up to 5 wireless microphones per host unit

• When more than 5 microphones are required, cascading can be used to connect additional antenna amplifier units

• Multiple units can be linked in series, forming extended antenna coverage zones (dual-lobe reception architecture for full microphone signal coverage)

• No strict theoretical limit on the number of cascade-connected host units

4. Multi-Channel Antenna Sharing System

• Supports 5-channel UHF wireless receiver systems or similar multi-receiver configurations

• Multiple receivers can share a single pair of antennas

• Reduces antenna clutter and simplifies system installation

• Enhances overall RF signal consistency and system stability

5. RF Performance & Signal Optimization

• Built with high dynamic range, low interference active RF components

• Integrated active feedback circuit ensures stable bias current operation

• Ultra-low internal distortion design improves signal purity

• Multi-channel simultaneous operation supported without cross-channel mixing interference

• Output gain maintained at approximately unity (≈1), ensuring stable signal distribution

6. Antenna Interface Compatibility

The antenna input interface supports multiple antenna types within the operating frequency range:

• Single pole antennas

• Coaxial antennas

• Extension antenna sets

• Log-periodic directional antenna arrays

Additional features:

• Antenna input port includes power supply for RF booster units

• Direct compatibility with external amplified antenna systems

• Supports integration with log-periodic directional antennas with built-in amplification

7. Power Distribution System

• Equipped with 4 independent DC power output groups

• Output specification: 12V / 600–1000mA

• Main unit includes 220V AC power output interface

• Can power downstream antenna amplifier units

• Can also supply compatible external 220V equipment

8. Technical Parameters

9. Application Scenarios

• Wireless microphone systems for stage performances

• Conference and meeting room audio systems

• Broadcasting and live production setups

• Multi-channel RF signal distribution environments

• Large venue audio reinforcement systems

10. System Advantages Summary

• Centralized antenna sharing reduces installation complexity

• Stable multi-channel RF distribution with low interference

• Scalable cascade architecture for large system deployment

• Integrated power and signal distribution in a single unit

• High compatibility with various UHF wireless receiver systems

11. Conclusion

This UHF antenna distribution amplifier system provides a scalable and stable solution for multi-channel wireless microphone environments. With flexible cascading architecture, wide frequency support, and low-noise RF design, it ensures reliable signal distribution across complex audio systems while reducing antenna setup complexity and improving overall system performance.