GE Ericsson Mastr Repeater Station Backplane Board 19D902947G1

( Brand: Ge ), ( Manufacturer Part Number: 19D902947G ), ( Model: 19D902947G 1 REV A ), ( Type: Repeater Station Backplane Board ), ( Unit Type: Unit ), ( Color: Green ), ( Compatible Model: Ge / Ericsson / M/a-com )

Review GE Ericsson Mastr Repeater Station Backplane Board As Is

The **Ericsson MASTR Repeater Station Backplane Board (Part Number: 19D902947G1)** is a critical high-performance component designed for Ericsson s MASTR (Mobile Access Sub-system Radio) repeater systems, which are engineered to enhance signal coverage and capacity in dense urban, suburban, or challenging outdoor environments. This backplane board serves as the central nervous system of the repeater station, facilitating seamless communication between various subsystems including power distribution units, RF (radio frequency) modules, control interfaces, and baseband processing units while ensuring optimal signal amplification, distribution, and management. Constructed with robust, industrial-grade materials, the board is built to withstand demanding environmental conditions, including temperature fluctuations, humidity, and electromagnetic interference, making it ideal for deployment in both controlled indoor settings and rugged outdoor locations.

At its core, the **19D902947G1** integrates a sophisticated array of high-speed digital and analog signal paths, enabling efficient data routing between the repeater s core components. The backplane employs a modular design, allowing for easy integration with Ericsson s proprietary RF transceivers, power amplifiers, and control processors, which collectively ensure minimal signal degradation while maximizing coverage range and capacity. Key features include high-density connector interfaces, low-loss signal transmission lines, and precise impedance matching to maintain signal integrity across the entire frequency spectrum supported by the MASTR system typically spanning multiple bands, including GSM, UMTS, LTE, and even emerging 5G technologies, depending on the specific deployment configuration.

One of the standout attributes of this backplane board is its **scalability and flexibility**, allowing operators to configure repeater stations with varying capacities based on demand. The board supports multiple input/output (I/O) channels, enabling the connection of multiple antennas, distributed amplifiers, and even remote monitoring units, all while maintaining synchronization and coordination through Ericsson s proprietary protocols. Additionally, the **19D902947G1** incorporates built-in diagnostic and fault-detection mechanisms, providing real-time performance monitoring and alerting operators to potential issues such as signal drops, overheating, or hardware failures thereby minimizing downtime and ensuring reliable network operation.

From a technical standpoint, the backplane board is engineered with **high-precision manufacturing standards**, featuring surface-mount technology (SMT) components, shielded connectors, and optimized PCB (printed circuit board) layouts to minimize crosstalk and signal loss. The design also incorporates redundancy features, such as backup power pathways and fail-safe mechanisms, to enhance system resilience in critical applications like public safety, transportation hubs, or large-scale events where uninterrupted connectivity is paramount. Whether deployed in a compact indoor repeater unit or a larger outdoor distributed antenna system (DAS), this backplane board ensures that the MASTR system operates with the efficiency, reliability, and scalability required to meet modern wireless communication demands.

For maintenance and upgrade purposes, Ericsson has designed the **19D902947G1** with **ease of serviceability** in mind, allowing technicians to access and replace individual modules without disrupting the entire system. The board s modular architecture aligns with Ericsson s broader MASTR ecosystem, ensuring compatibility with a range of accessories, including remote management interfaces, battery backup units, and advanced signal processing modules. Overall, the **19D902947G1** backplane board represents a cornerstone of Ericsson s MASTR repeater solutions, delivering a blend of cutting-edge technology, durability, and adaptability to support the evolving needs of wireless infrastructure worldwide.

### **Pros and Cons of buying a Ericsson MASTR Repeater Station Backplane Board (Part Number: 19D902947G)**

1. **Compatibility with Ericsson MASTR Systems** This part is specifically designed for Ericsson MASTR repeater stations, ensuring seamless integration with existing infrastructure. It is a critical component for maintaining or upgrading older MASTR systems, which are still used in some telecommunications networks.

2. **Reliability and Durability** Ericsson is a well-established manufacturer in the telecommunications industry, known for producing high-quality, long-lasting hardware. The backplane board is built to withstand the demands of field deployment, including temperature fluctuations and electrical stress.

3. **Support for Legacy Systems** If you operate a MASTR repeater station, this part may be necessary for repairs or replacements, preventing downtime in critical communication networks. Many older systems rely on proprietary components, and sourcing them can be challenging, making this a valuable investment.

4. **Potential for Resale Value** Since Ericsson equipment remains in use in some regions, particularly in developing markets or legacy networks, a well-maintained backplane board may hold resale value if the system is eventually decommissioned or upgraded.

5. **Technical Stability** The backplane board serves as a critical interface between various components in the repeater station, ensuring stable signal routing and power distribution. A functioning unit minimizes the risk of intermittent failures in the system.

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1. **High Cost** Ericsson components, especially older or specialized parts like this backplane board, can be expensive due to limited availability and the need for proprietary manufacturing. The cost may be prohibitive for smaller operators or those on tight budgets.

2. **Limited Availability** Ericsson has shifted focus toward newer technologies (e.g., 4G/5G, digital radio systems), reducing production and support for legacy MASTR hardware. Finding an authorized supplier or a genuine replacement part can be difficult, leading to potential delays or counterfeit risks.

3. **Compatibility Risks with Modified Systems** If the repeater station has been modified or upgraded with non-Ericsson components, there may be compatibility issues with this backplane board. Testing and validation may be required before installation.

4. **Lack of Long-Term Support** Ericsson s customer support for older MASTR equipment is limited compared to newer systems. Troubleshooting or warranty claims may be challenging, and spare parts could become harder to source over time.

5. **Alternative Solutions May Exist** For some applications, newer or third-party repeater solutions (e.g., digital radios, software-defined repeaters) may offer better performance, flexibility, or cost-effectiveness. Retrofitting an older MASTR system with this part may not be the most future-proof decision.

6. **Potential for Counterfeit Parts** Due to the scarcity of genuine parts, there is a risk of purchasing counterfeit or refurbished units that may not meet original specifications. This could lead to system instability or premature failure.

7. **Depreciation Over Time** As telecommunications networks evolve, the value of this component will likely decline. Investing in a legacy part may not yield long-term returns, especially if the system is planned for eventual replacement.

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Buying the **Ericsson MASTR Repeater Station Backplane Board (19D902947G)** is a pragmatic choice if you **must maintain or repair an existing MASTR repeater system** where no alternative exists. The part s reliability and compatibility with Ericsson s legacy hardware make it a necessary component for operators dependent on these systems. However, the **high cost, limited availability, and lack of long-term support** are significant drawbacks that must be carefully considered.

If the repeater station is part of a **critical infrastructure** (e.g., emergency communications, remote base stations) and no modern replacement is feasible, this purchase is justified. For other cases particularly where budget constraints or future-proofing are priorities exploring **alternative repeater solutions** (e.g., digital radios, software-defined repeaters) may be more cost-effective in the long run.

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1. **Verify Necessity** Confirm that this specific part is required and that no alternative (e.g., refurbished or third-party compatible units) exists. Consult Ericsson s technical documentation or a certified technician to ensure compatibility.

2. **Source from Authorized Suppliers** Purchase from a **reputable Ericsson-approved distributor** or a trusted telecom parts dealer to avoid counterfeit goods. Request a warranty or certification if possible.

3. **Budget for Hidden Costs** Account for potential additional expenses, such as shipping, testing, or labor for installation. If the system is old, factor in the risk of discovering other failing components during the upgrade.

4. **Plan for Long-Term Maintenance** Since Ericsson support for MASTR is diminishing, consider **documenting the system s configuration** and **training personnel** to handle basic troubleshooting. Explore backup power or redundancy options to mitigate downtime risks.

5. **Evaluate Upgrade Paths** If the repeater station is nearing the end of its useful life, weigh the costs of this repair against **migrating to a newer digital radio system**. Modern repeaters offer better performance, lower maintenance, and scalability for future needs.

6. **Negotiate or Seek Alternatives** If the part is prohibitively expensive, inquire with Ericsson about **discounts for bulk purchases** or **trade-in programs** for older equipment. Alternatively, explore **used or refurbished units** from trusted sources, though this carries higher risk.

- The MASTR repeater is **critical and has no viable replacement**.

- You have **verified compatibility** and **secured a genuine part**.

- You are prepared for **potential long-term support challenges**.

- The system is **not mission-critical**, and modernizing would be more cost-effective.

- You can **source a comparable third-party solution** at a lower cost.

- The **total cost of ownership** (including maintenance) outweighs the benefits of keeping the legacy system.

Details:

PCB: The board surface has visible dirt, dust, and minor debris. This backplane is the main interconnect board for MASTR III commercial repeater station chassis, featuring standard DIN module connectors. Connectors: The DIN sockets and edge pins appear physically intact based on visual inspection, but the board has not been electrically tested. Fast Shipping.

Please review all high-resolution photos to verify the exact physical condition before purchasing. Check my other listings for more vintage commercial two-way radio equipment and industrial electronics.

part #: 19d902947g prices

• $96.00-$174.24

specifications hamamateuradio:

• brand: Ge
• mpn: 19d902947g
• model: 19d902947g 1 Rev A
• type: Repeater Station Backplane Board
• unit type: Unit
• color: Green
• compatible model: Ge / Ericsson / M/a-com

offer hamamateuradio:

• options: Ship-to-home
• sold: 0
• started: April 27, 2026
• quantity: 1
• availability: In Stock
• best offers: True

payments hamamateuradio:

• other
• credit card: Discover
• wallet: Google-pay

General hamamateuradio:

• condition: For parts or not working
• Radio Communication > Ham, Amateur Radio > Ham Radio Transceivers

shipping hamamateuradio:

• class: Standard
• cost: $7.60
• transit: 5-11 Days
• carrier: USPS
• type: Calculated
• service: USPS Ground AdvantaGe

returns hamamateuradio:

• policy: No Returns

seller hamamateuradio:

• city: Gulf Shores, Alabama
• rating: 99.1%
• # reviews: 120

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