Notch filters explained

Antenna

HF Log Periodic Antenna LP-1005AA ( 3.0 – 30.0 MHz )

February 03, 2015 No comments

HF Log Periodic Antenna – Frequency Range 3.0 – 30.0 MHz The LP-1005 antenna array is designed for medium and long range high fr... Read more

GigActiv GA3005 Ultra Wideband

October 29, 2014 No comments

GigActiv GA3005 Ultra Wideband Frequenzy range : 9 kHz – 3 GHz Power Supply: 5,5V – 15V Gain: + 3dB Upper Frequency Limit (-1db): 3000 MHz... Read more

MFJ-226 1-230 MHZ ANTENNA EXPECT TIMES GRAPHIC ANALYZER

April 02, 2015 No comments

MFJ VNA Antenna Analyzer covers 1 to 230 MHz, 1Hz resolution. •Frequency sweep plots: SWR, Impedance, Resistance, Reactance,Phase Angle, Comple... Read more

4EL 40M @ 190′ [ VIDEO ]

October 26, 2019 No comments

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VHF

ME3000-V 2m EME – VHF Amplifier ( 3KW – 144MHz )

January 02, 2015 No comments

VHF Amplifier Frequency Coverage: 144-146MHz amateur band. extensions and/or changes on request. • Power Output: 3000 W CW/SSB • Intermodu... Read more

Kenwood TH-D74 – How to do a quick setup [ Video ]

August 30, 2016 No comments

Kenwood TH-D74 APRS & DSTAR Radio TH-D74 144 / 220 / 430 MHz Tribander APRS : Using packet-transfer communication to exchange real-time GPS positi... Read more

Radioddity GD-55 Plus UHF 400-480MHz Waterproof DMR Digital Radio,10W with 2800mAh Battery Mototrbo Dual Time Slot (Tier I&II)

June 03, 2017 No comments

Brief introduction for Radioddity GD-55 Plus, A Practical DMR GD-55 Plus Differentiating Factors 10W High Power IP-67 Waterproofed Mototrbo Tie... Read more

MOTOTRBO XPR 7000 Series

February 28, 2015 No comments

The MOTOTRBO XPR 7000 Series is a communications powerhouse for demanding users. Offering a full set of features and rich functionality in one... Read more

Equipment

Compact Power Supply for Elecraft Radios

April 30, 2015 No comments

Description The SS-30DV is designed to supply 25 Amps continuous (up to 5 minutes) and 30 Amps surge at 14.1 VDC. It is the perfect companion s... Read more

New Russian PA. 2000 Watts . Liquid cooling. Weighs only 14 pounds!

January 27, 2019 No comments

BURST 2000A HF power amplifier BURST-2000A 2200 W PEP output power (SSB and CW) All HF bands, including WARC bands and 6 meters Rated input pow... Read more

Wireless Bluetooth mic for Yaesu mobile radios FT-7900R/100DR etc

August 10, 2020 No comments

Yaesu mobile Yaesu Mobile Radio Please check our new bluetooth speaker mic VGC BMH-68, it’s a very perfect replacement for the MH-48 serial wire... Read more

K42C CW Keyboard/Reader Kit

December 20, 2016 No comments

The K42 is the Swiss Army knife of CW keyers, it will provide lots of CW operation and enjoyment. A CW keyboard interface, CW reader, iambic paddle ke... Read more

Review

RTL-SDR BLOG L-BAND Patch Antenna Version 2 – Inmarsat – Iridium – GPS

April 12, 2021 No comments

Here we take a look at the brand new L-Band Patch antenna from RTL-SDR Blog. This antenna is designed to work with Inmarsat, Iridium and GPS signals. Read more

The Malahit DSP portable SDR receive

April 12, 2021 No comments

A nifty little portable SDR receiver. I still have lots to explore with it, but here’s an overview. 【Frequency Range】50 kHz~2.0GHz (Registered v... Read more