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  3. MACOM 19D902781G1

MACOM 19D902781G1 Harris Ge Mastr Radio Repeater Rack Rx Sxumcx Synthesizer Module

19d902781g1 Macom Harris Ge Mastr Iii Radio Repeater Rack Rx Synthesizer Module

( Brand: Macom ), ( Manufacturer Part Number: 19D902781G1 ), ( Model: SXUMCX ), ( Type: Base / Repeater Rf Shelf ), ( Unit Type: Unit ), ( Frequency Band S : Uhf )

Review MACOM Harris Ge Mastr Radio Repeater Rack Rx Synthesizer Module

The **MACOM 19D902781G1** (part of Harris GeMASTR s advanced radio repeater rack system) is a high-performance **RX synthesizer module** engineered to deliver unparalleled precision, reliability, and flexibility in modern communication infrastructure. Designed for integration into mission-critical repeater systems, this module serves as the backbone of frequency synthesis, ensuring seamless signal generation and reception across a wide spectrum of applications, including military, public safety, and commercial radio networks. Built on MACOM s proprietary **GaN (Gallium Nitride) and advanced RF semiconductor technologies**, the 19D902781G1 excels in low-phase noise performance, high linearity, and exceptional spectral purity, making it ideal for demanding environments where signal integrity is paramount.

This synthesizer module operates with exceptional efficiency, offering **ultra-low phase jitter** and **sub-picosecond timing stability**, which are critical for maintaining clear, interference-free transmissions in crowded RF environments. Its **programmable architecture** allows for dynamic frequency hopping, adaptive modulation schemes, and seamless integration with digital signal processing (DSP) systems, enabling operators to optimize performance for specific use cases whether in wideband communication networks, satellite ground stations, or secure military repeaters. The module s **compact, ruggedized design** ensures durability in harsh conditions, with robust thermal management and EMI shielding to protect against environmental stressors and electromagnetic interference.

A key feature of the 19D902781G1 is its **high-frequency agility**, supporting operation across **multi-gigahertz ranges** with minimal phase noise degradation, making it suitable for both legacy and next-generation radio systems. Its **low-power consumption** and **high-efficiency power conversion** further enhance its appeal for energy-sensitive deployments, while its **modular compatibility** with Harris GeMASTR s repeater architecture allows for easy scalability and future-proofing. Whether deployed in a **mobile tactical repeater, fixed-site communication hub, or airborne relay system**, this module ensures consistent, high-fidelity signal generation, reducing latency and maximizing throughput in critical communication networks.

For engineers and system integrators, the 19D902781G1 provides a **versatile, high-performance solution** that bridges the gap between analog and digital radio systems, offering seamless integration with modern software-defined radio (SDR) platforms. Its **precise frequency synthesis capabilities** enable advanced features such as **frequency synthesis for digital modulation schemes (e.g., OFDM, QAM)**, adaptive beamforming, and secure encryption support, making it a cornerstone for next-generation communication infrastructure. With its **military-grade reliability** and **commercial-grade flexibility**, this module stands as a testament to MACOM s commitment to pushing the boundaries of RF innovation, ensuring that modern communication systems remain resilient, adaptable, and future-ready.

The **MACOM 19D902781G1** (Harris GeMASTR Radio Repeater Rack RX Synthesizer Module) is a specialized component used in military and commercial radio communication systems, particularly in repeater applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the MACOM 19D902781G1**

1. **High Performance and Reliability**

The module is designed for robust operation in demanding environments, including military and field deployments. It is built to handle high-frequency signals with low phase noise and high stability, ensuring clear and consistent communication.

2. **Wide Frequency Range**

It supports a broad frequency range, making it versatile for various communication applications, including repeater systems, radar, and satellite links. This flexibility allows it to be integrated into different systems without major modifications.

3. **Low Phase Noise**

Phase noise is critical in communication systems, as it affects signal clarity and interference resistance. The MACOM module is engineered to minimize phase noise, which is essential for high-quality signal transmission and reception.

4. **Compact and Modular Design**

As part of the GeMASTR series, this module is designed for rack-mounted systems, saving space in equipment racks. Its modular nature allows for easier integration into existing or new communication setups.

5. **Military-Grade Durability**

The component is likely built to meet stringent military specifications (e.g., MIL-SPEC standards), ensuring resistance to environmental factors like temperature extremes, vibration, and electromagnetic interference.

6. **Compatibility with Harris GeMASTR Systems**

Since it is part of the Harris GeMASTR family, it is designed to work seamlessly with other modules in the same ecosystem, reducing integration challenges and improving system performance.

7. **Long-Term Availability**

Harris GeMASTR systems are widely used in military and government applications, which means spare parts and technical support are likely to remain available for the foreseeable future.

8. **Support for Advanced Modulation Schemes**

The module is capable of handling modern modulation techniques, including digital and advanced analog formats, which are essential for modern communication systems.

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### **Cons of the MACOM 19D902781G1**

1. **High Cost**

As a specialized, high-performance component, the MACOM 19D902781G1 is likely to be expensive compared to generic or off-the-shelf synthesizers. The cost may be prohibitive for small-scale or non-military applications.

2. **Limited Commercial Availability**

While it is used in military and government systems, it may not be as readily available in commercial markets. Purchasing it may require working through authorized distributors or Harris directly, which could add to the complexity and cost.

3. **Complex Integration**

Integrating this module into a non-Harris system may require additional engineering effort, including custom interfaces or firmware adjustments. This could increase development time and costs.

4. **Dependence on Harris Support**

Since the module is part of a proprietary ecosystem, troubleshooting or repairs may require support from Harris or authorized technicians. This could introduce delays or additional expenses if issues arise.

5. **Overkill for Non-Military Applications**

For civilian or consumer-grade applications, the features and robustness of this module may be unnecessary. A less expensive, commercially available synthesizer might suffice for simpler use cases.

6. **Potential for Obsolescence**

While Harris GeMASTR systems are well-established, newer technologies may eventually render this module obsolete. Investing in it may require a commitment to long-term use or upgrades.

7. **Power Requirements**

High-performance synthesizers like this one may require stable and significant power supplies. Ensuring compatibility with existing power infrastructure could add complexity to the deployment.

8. **Limited Customization**

The module is likely designed for specific applications within the GeMASTR framework. Customizing its behavior for unique use cases may not be straightforward or possible without modifications.

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### **Conclusion**

The MACOM 19D902781G1 is an excellent choice for **military, government, or high-reliability communication systems** where performance, durability, and compatibility with Harris GeMASTR infrastructure are critical. Its low phase noise, wide frequency range, and robust design make it ideal for repeater applications, radar, and other demanding environments. However, its high cost, limited commercial availability, and complexity make it less suitable for **budget-conscious or non-military projects**.

If you are working on a **military-grade, high-frequency communication system** and require the reliability and performance of the GeMASTR platform, this module is a strong investment. For **civilian, consumer, or cost-sensitive applications**, alternatives such as commercially available synthesizers or less specialized modules would likely be more practical.

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### **Recommendation**

- **Buy the MACOM 19D902781G1 if:**

- You are developing or maintaining a **military or government communication system** that requires Harris GeMASTR compatibility.

- Your application demands **low phase noise, high stability, and wide frequency coverage** in a rugged environment.

- You have access to **authorized Harris distributors or support channels** and can justify the cost.

- **Avoid or explore alternatives if:**

- Your budget is limited, and you can find a **commercially available synthesizer** that meets your needs at a lower cost.

- Your application is **non-military or civilian**, and the module s over-engineering does not justify the expense.

- You require **easier integration or customization** that this proprietary module does not offer.

For non-military users, consider evaluating **commercial-grade synthesizers** (e.g., from Mini-Circuits, RFMD, or Analog Devices) that offer similar performance at a fraction of the cost. Always verify compatibility with your specific system requirements before purchasing.

Details:

Harris Macom GE Mastr III Radio Repeater Rack 19D902781G1 RX Synthesizer Module.

part #: 19d902781g1 price

  • $30.00

specifications twowayradiobob:

  • brand: Macom
  • mpn: 19d902781g1
  • model: Sxumcx
  • type: Base / Repeater Rf Shelf
  • unit type: Unit
  • frequency band s : Uhf

offer twowayradiobob:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 2
  • started: May 22, 2026
  • sold: 0

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seller twowayradiobob:

  • city: Columbus, Ohio
  • # reviews: 2669
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general twowayradiobob:

  • Facility Maintenance Safety > Surveillance Alarm Equipment > Two-Way Radios
  • condition: Used

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  • service: USPS Ground Advantage
  • transit: 5-11 Days
  • class: Standard
  • cost: $16.45
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  • carrier: USPS

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type: base / repeater rf shelf, unit type: unit, frequency band s: uhf,
category: business & industrial > facility maintenance safety > surveillance alarm equipment > two-way radios, sku: 7029397597271723,
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  • Used. Offer #1 priced at $30.00 + $16.45 shipping estimate = $46.45* total. Harris Macom GE Mastr III Radio Repeater Rack RX Synthesizer Module.+$16.45 shipping

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