PHELPS DODGE 981-PB4 Bandpass Filter Preselector Ham 800 900 Conversion

( Brand: Phelps Dodge ), ( Manufacturer Part Number: 981-PB4 ), ( Materials Sourced From: United States ), ( Type: Bandpass Filter ), ( Compatible Brand: Universal )

Review PHELPS DODGE 800 Mhz Bandpass Filter Preselector 900 Ham Conversion

Phelps Dodge 981-PB4 800 Bandpass Filter Preselector Ham Conversion - A High-Performance Radio Frequency Component

The Phelps Dodge 981-PB4 800 Bandpass Filter Preselector Ham Conversion is a exceptional radio frequency (RF) component, meticulously engineered to cater to the needs of dedicated ham radio enthusiasts and communications professionals alike.

This preselector filter, modeled as part of the esteemed Phelps Dodge lineage, is renowned for its superior performance and precision. With a central frequency of 800 MHz, it effectively filters out unwanted signals and noise, ensuring a clean and robust RF signal for your ham radio operations.

The 981-PB4 Bandpass Filter Preselector boasts a Q-factor of approximately 500, offering a remarkable degree of selectivity and rejection of out-of-band signals. This results in improved signal-to-noise ratio and better overall system performance. The filter is designed to be used with a 50 Ohm transmission line and can easily be integrated into your existing ham radio setup.

The conversion aspect of this product means that it is specifically designed for use in the ham radio frequency band, making it a valuable addition for any serious ham radio operator. The filter is manufactured with high-quality materials and robust construction to ensure longevity and reliability in even the most demanding conditions.

In summary, the Phelps Dodge 981-PB4 800 Bandpass Filter Preselector Ham Conversion is an indispensable tool for any ham radio enthusiast, offering exceptional performance, superior selectivity, and easy integration into your existing setup. Upgrade your ham radio system today with this high-quality, precision-engineered filter preselector.

Analysis of Phelps Dodge 981-PB4 800 Bandpass Filter Preselector 900 Ham Conversion

1. High Quality: Phelps Dodge is a reputable brand known for producing high-quality electronic components. This filter preselector is no exception.

2. Bandpass Filter: The bandpass filter helps to eliminate unwanted frequencies, ensuring a clean and precise signal reception.

3. Preselector: The preselector feature helps to improve the signal-to-noise ratio, making the reception clearer and more stable.

4. Ham Conversion: The 900 Ham conversion makes it suitable for use in the ham radio band, expanding its usability.

1. Age: being an older model, it may not have the same level of modern features as newer models.

2. Potential Repair Issues: Older components may require more maintenance or repairs, which could be costly.

3. Compatibility: Although suitable for the ham radio band, it may not be fully compatible with all modern ham radio equipment.

4. Price: Given its age and the availability of newer models, the price might be higher than expected.

Conclusion: The Phelps Dodge 981-PB4 800 Bandpass Filter Preselector 900 Ham Conversion is a high-quality component with features that can significantly improve ham radio performance. However, its age and potential compatibility issues should be considered. If you are willing to invest in maintaining an older component and appreciate the quality of Phelps Dodge, it could be a worthy purchase. If you prefer modern features and ease of compatibility, it might be worth considering newer models. Ultimately, the decision depends on your specific needs and preferences.

Details:

Model: 981-PB4. The previous owner kept notes on nearly everything as it seemed to be his life-long hobby collect, test, and document he owned. Picture is of one them - both are in the same condition. The previous owner was a Ham Radio operator who collected all of these interesting items over the years.

Type: 4-Cavity Bandpass Filter / Preselector. Manufacturing technology was not the same as it is today so imperfections should be expected. Frequency Range: Label states 816-821 MHz Unable within the 800 band. Application: Originally used for commercial repeater sites to filter input signals.

Phelps Dodge 981-PB4 800 MHz Bandpass Filter Preselector 900 Ham Conversion?, Frequency 816-821 MHz: This specific range covers the input frequencies Mobile Transmit for older Public Safety or SMR trunking systems.: Manufacturer: Slave. Connectors N-Type f, BNC, Excellent previously used condition.

part #: 981pb4 price

• $74.98

specifications hamamateuradio:

• brand: Phelps Dodge
• mpn: 981-pb4
• materials sourced from: United States
• type: Bandpass Filter
• compatible brand: Universal

shipping hamamateuradio:

• service: UPS Ground, FedEx Ground / FedEx Home Delivery, USPS Ground Advantage
• transit: 4-9 Days
• carrier: UPS, FedEx, USPS
• cost: $19.80
• type: Calculated
• class: Standard

seller hamamateuradio:

• # reviews: 9224
• rating: 99.5%
• city: Las Vegas, Nevada

returns hamamateuradio:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days
• method: Money back

payments hamamateuradio:

• wallet: Google-pay
• credit card: Diners-club
• other

offer hamamateuradio:

• started: December 15, 2025
• availability: In Stock
• options: Ship-to-home
• quantity: 2
• sold: 0

general hamamateuradio:

• Radio Communication > Ham, Amateur Radio > Other Ham Radio Equipment
• condition: Used

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