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COFDM RF PA Liner Power Amplifier for video Transmitter DVB-T Wireless Video Transmission
Power Amplifier
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1WPA-100WPA Linear COFDM RF Power Amplifier (MCX/SMA, 12–18V, 1300–1400MHz)


Introduction

The ESCW-4326 1-Watt RF Linear Power Amplifier is a high-performance, compact, and reliable solution designed to enhance the transmission quality of wireless communication systems. Built with professional UAV, broadcasting, and wireless video/data applications in mind, this amplifier ensures clear, stable, and interference-resistant RF signals.

Unlike conventional amplifiers that prioritize raw output over signal purity, the ESCW-4326 has been engineered with linearity, low distortion, and stability at its core. By leveraging advanced COFDM-compatible design and high-quality components, it effectively boosts weak transmitter outputs into strong, reliable signals capable of reaching extended distances.

Its miniature size (43 × 26 × 12 mm) and lightweight construction (only 26 grams) make it easy to integrate into space-constrained projects without compromising performance. With customizable frequency ranges, output power options, and connector types, the ESCW-4326 offers unmatched flexibility for a wide range of professional and industrial RF systems.


Key Features

  • High Linearity & Reliability
    Ensures stable amplification with consistent output, supporting high-fidelity signal transmission for COFDM and other digital modulations.

  • Compact & Lightweight Design
    At just 26 grams and 43 × 26 × 12 mm in size, the module is perfectly suited for UAVs, portable devices, and embedded wireless systems.

  • Wide Voltage Support
    Operates on a 12–18V DC power supply with an efficient built-in low-dropout regulator. Optional 9–24V versions are available for industrial-grade integration.

  • Flexible RF Interfaces
    Default MCX input and SMA output connectors; optional SMA, SMB, or N-type connectors for versatile system compatibility.

  • Superior Thermal Design
    Full-aluminum construction with natural conductive oxidation finish ensures excellent heat dissipation. Optional external radiators, copper sinks, or fan-assisted cooling can be provided.

  • Built-in Protection
    Integrated open-circuit, short-circuit, and thermal protection safeguards the amplifier under demanding operational conditions.

  • High Gain Performance
    Delivers up to 35 dB of gain, enabling weak signals to be amplified to strong, interference-resistant transmissions.

  • Full Metal Shielding
    Robust all-metal housing provides excellent EMI/RFI shielding, ensuring stable performance in noisy environments.

  • Wide Frequency Range Options
    Standard 1300–1400 MHz, with customizable options from 1200–1500 MHz or narrowband ranges tailored to project needs.

  • Signal Versatility
    Compatible with FM, AM, CW, FSK, OFDM/COFDM and other modulations, making it suitable for UAVs, digital video broadcasting, and tactical communications.


Specifications

  • Frequency Range: Standard 1300–1400 MHz (customizable within 300–2700 MHz)
  • Selectable Bandwidth: 30 MHz (options: 50 MHz, 100 MHz, 500 MHz; wider ranges reduce efficiency)
  • Output Power: 1W standard (options: 0.5W, 2W, or custom higher power models)
  • Digital Linear Power: ≥ 0.37 W (27 dBm)
  • Gain: ≥ 35 dB
  • ACPR (Adjacent Channel Power Ratio): ≥ 30 dBc
  • In-band Flatness: < 0.5 dB (typical < 0.25 dB)
  • Power Supply Voltage: 12–18V DC (optional 9–24V versions available)
  • Regulation: Built-in LDO regulator, min. voltage drop 0.3–0.4V
  • Operating Temperature: -25℃ to +55℃
  • Storage Temperature: -45℃ to +65℃
  • Cooling Method: External radiator recommended (passive or active options available)
  • Dimensions: 43 × 26 × 12 mm
  • Weight: ~26 grams
  • RF Connectors: Default MCX input, SMA output (optional SMB/N-type available)

RF Connector Options

  • Standard: MCX RF input, SMA RF output
  • Optional: SMA/SMA, SMB, or N-type configurations

This flexibility allows seamless integration into existing UAV video transmitters, ground stations, and mobile RF platforms.


Applications

The ESCW-4326 power amplifier is suitable for a wide variety of applications where stable, long-range, and low-distortion RF transmission is essential:

  • UAV & Drone Video Transmission
  • Wireless Surveillance Systems
  • Public Security & Emergency Response Communications
  • Military Reconnaissance & Tactical Data Links
  • Digital Broadcasting Systems (COFDM / DVB-T)
  • Industrial Wireless Control & Monitoring
  • Portable RF Devices & Mobile Networks

Customizable Options

We provide flexibility to tailor the ESCW-4326 to your project needs:

  1. RF Connector Type

    • Standard: MCX input + SMA output
    • Optional: SMA, SMB, or N-type
  2. Frequency Range

    • Standard: 1300–1400 MHz
    • Custom: 1200–1500 MHz, narrowband, or other ranges (300–2700 MHz available)
  3. Output Power

    • Standard: 1W
    • Optional: 0.5W, 2W, or higher-power versions
    • Adjustable gain/power control models available
  4. Power Supply

    • Standard: 12–18V
    • Optional: 9–24V wide input for industrial/military systems
  5. Gain & Linearity

    • Adjustable gain versions available
    • Low-noise, low-distortion options for sensitive RF systems
  6. Thermal Management

    • Standard aluminum enclosure with natural cooling
    • Optional: copper heat sinks, fan-assisted cooling, or automatic thermal protection
  7. Mechanical Options

    • Standard PCB module
    • Optional metal enclosure for protection against vibration and dust
    • Custom dimensions for embedded UAV integration
  8. Mounting Options

    • PCB solderable
    • Panel-mount or rack-mount
    • Embedded for UAVs or portable devices
  9. Signal Compatibility

    • Supports FM, AM, CW, FSK, OFDM/COFDM
    • Custom compatibility for proprietary communication protocols
  10. Certifications & Reliability

  • Optional CE / FCC / RoHS compliance
  • Military/industrial-grade versions with extended temperature range and shock resistance

Why Choose ESCW-4326?

  • Ultra-compact, lightweight form factor (perfect for UAVs and portable RF systems)
  • Excellent balance between power efficiency, linearity, and stability
  • Fully customizable to meet unique project requirements
  • Built-in protection features extend amplifier lifespan
  • Professional-grade design trusted in broadcasting, security, and military-grade communication systems

Package Includes

  • 1 × ESCW-4326 1W Linear RF Power Amplifier Module
  • Standard MCX input + SMA output connectors (optional variants available)
  • User Guide / Datasheet (digital copy)

Conclusion

The ESCW-4326 1-Watt Linear RF Power Amplifier is more than just a signal booster—it is a precision-engineered solution for high-demand wireless applications. Whether you’re building UAV video systems, digital broadcasting links, or mission-critical wireless communication platforms, this amplifier delivers the performance, reliability, and customization flexibility needed to succeed.

Upgrade your system today with the ESCW-4326 and experience clearer, longer, and more robust wireless transmission.