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K9DP QRP Bandpass Filter for Ham Radio, SDR receivers, HF Amateur Radios

Description: Made in the USA personally by K9DPDesigned to reject interference from other near by stations operating on different bands. Lightweight and portable design, only 3.4 inches (85mm) in length and weighing just 23 grams. Perfect for Parks on the Air (POTA), Summits on the Air (SOTA) and Field Day. Tested up to 20 watts with SSB, CW and digital FT8. High quality C0G (NP0) capacitors and Micrometals toroids. The K9DP QRP Bandpass filter allows QRP (low-power) amateur radio operators to reduce or eliminate unwanted interference in their signals from other near by stations. Primary designed to be lightweight and portable. The filter is ideal for use in field operations such as Parks on the Air (POTA), Summits on the Air (SOTA), and Field Day. It has been tested at power levels up to 20 watts with SSB, CW, and digital modes. The female BNC version measures only 3.4 inches (85mm) in length and weighs just 23 grams. The male/female BNC version measures 3.7 inches (94mm) in length and weighs 35 grams. Made with high quality C0G(NP0) capacitors and Micrometals toroids. Its small size and low weight make it easy to take with you wherever you go. These filters have a 50Ω impedance and are symmetrical, so it's not important which end is the input or output. Caution: High SWR can damage the filter. The filter should be inserted inline between the transceiver and tuner, rather than between the tuner and antenna. If your radio has an internal tuner, be sure to use a resonant antenna or an antenna with a matching circuit, such as an EFHW (end fed half wave), in combination with the filter.

Price: 39.99 USD

Location: Saint Charles, Illinois

End Time: 2024-11-10T15:56:33.000Z

Shipping Cost: N/A USD

Product Images

K9DP QRP Bandpass Filter for Ham Radio, SDR receivers, HF Amateur RadiosK9DP QRP Bandpass Filter for Ham Radio, SDR receivers, HF Amateur Radios

Item Specifics

Restocking Fee: No

Return shipping will be paid by: Seller

All returns accepted: Returns Accepted

Item must be returned within: 30 Days

Refund will be given as: Money back or replacement (buyer's choice)

Brand: K9DP

Compatible Brand: Universal

Type: Filter

Available Variations

Color: 15 Meters w/ Female BNCs

Price: 39.99 USD

Available Quantity: 5

Quantity Sold: 2

Color: 20 Meters w/ Female BNCs

Price: 39.99 USD

Available Quantity: 11

Quantity Sold: 5

Color: 40 Meters w/ Female BNCs

Price: 39.99 USD

Available Quantity: 11

Quantity Sold: 5

Color: 15 Meters w/ Male/Female BNCs

Price: 39.99 USD

Available Quantity: 8

Quantity Sold: 6

Color: 20 Meters w/ Male/Female BNCs

Price: 39.99 USD

Available Quantity: 16

Quantity Sold: 12

Color: 40 Meters w/ Male/Female BNCs

Price: 39.99 USD

Available Quantity: 12

Quantity Sold: 10

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