The main difference between MD-380
| Difference | MD-380 |
MD-398 |
| Time slot | Two time slot | One time slot |
| Battery capacity | 2000mAh | 2800mAh |
| Battery type | Li-ion | polymer li-ion |
| Power | 5W | 10W |
| Waterproof | IP54 | IP67 |
| Frequency Range | 136-174MHz
400-480MHz |
136-174MHz
400-470MHz |
| Channels | 1000 channels | 1024 channels |
| Man down function | not support | support |
| Voice recording function | not support | support |
Ziteng (Andy) Wang is a PhD student at the University of Sydney. He recently discovered an unusual radio signal coming from the direction of the Milky... Read more
The HobbyPCB RS-UV3A radio module is a 144/220/450 MHz FM transceiver board. The RS-UV3A is a low cost transceiver solution for Packet Radio, repeater... Read more
ARRL President Rick Roderick, K5UR, in a written statement on the newly filed H.R.5378 before the US House Commerce Communications and Technology Subc... Read more
Josh Nass, KI6NAZ, of @Ham Radio Crash Course talks about what ham radio is, and answers the question…. “Why Ham Radio?” Read more
September 10-14, 2021, the 17th World Championship High Speed Telegraphy was held in Montenegro. The event was organized by MARP (Montenegrin Amateur... Read more
News
Mysterious Radio Signal Discovered in Milky Way Center | What Is It!?
TRI BAND TRANSCEIVER – RS-UV3A
ARRL Continues Its Efforts to Preserve Amateur Radio Secondary Use of the 3 GHz Band
![Why Ham Radio [ ARRL Video ]](https://qrznow.com/wp-content/uploads/2021/10/hq720-1-190x122.jpg)
Why Ham Radio [ ARRL Video ]
High Speed Telegraphy 2021 in Montenegro
Dave, W9GR explains what is CESSB – Controlled Envelope SSB and how it gives your more RF Talk power. Read more
“A viewer asks: I want a home base station trans/receiver so I can listen till I am licensed. Need an antenna too. But all for under $1000 if po... Read more
An important first step in ham radio is figuring out how you want to power your radio station. Reagrdless if it being at home or in the field, you nee... Read more
Over the past 18 month a proposal for an IARU HF Digital Mode reorganization has been undertaken by representatives of all three IARU Regions IARU-R1... Read more
Dave, KO4DLQ, lives in Florida and has to deal with mass amounts of lightning. Dave can relate having served there for several years when he was young... Read more
Review
What is CESSB? W9GR the author explains!
Set up an entire HF station for under $1000?
How To Power Your Ham Radio Station, Power Supplies, Batteries, Mobile
HF Band Plan Review
RF Ground Rod vs Concrete Patio
KrakenSDR is now available for crowdfunding on Crowd Supply. Thank you to all interested parties for your patience while we navigated recent pandemic-... Read more
Today I take the XPA125 Tuner and put it through its paces with a 9:1 EFRW Random Wire Antenna Read more
Xiegu X6100 is a revolutionary self-contained 10 watt HF and 6m SDR transceiver with a large color display, automatic antenna tuner and a built-in hig... Read more
The “QDX” (QRP Labs Digital Xcvr): a feature-packed, high performance, four-band (80, 40, 30, 20m) 5W Digi-modes trans... Read more
Today we take a look at the Xiegu XPA125B QRP Amplifier and Auto Tuner hooked up to the Icom IC-705. This amp will work with a variety of QRP rigs inc... Read more
Equipment
Release the KrakenSDR!
XPA125 Tuner – Any good?
Xiegu X6100 HF/50MHz Portable SDR Transceiver
QDX 4-band 5W Digi transceiver
Tech-out of the Xiegu XPA125B Auto Tuner + Amplifier
Jared, N0SPC, is the only ham in his country, and he has a question regarding phasing. He wants to know if he can use a phased array of mobile whips t... Read more
The Chameleon CHA-MPAS 2.0 just might be the best portable Ham Radio antenna that you can get today, due to its versatile configurations and compact s... Read more
One man’s observation of different radiation patterns that evolved from choosing different antenna installation orientations. What are your thou... Read more
HF verticals are very popular for the smaller suburban gardens. How do they perform and are there any improvements you should consider? Read more
Common Mode Current can really mess with RFI and cause interference in the shack. In addition, you could also be receiving unwanted interference on th... Read more
Antenna
Phasing Antennas for Directionality
Chameleon CHA-MPAS 2.0 Portable Ham Radio Antenna System
Using FT8 to demonstrate Antenna Orientations
Improving Suburban HF Vertical Antennas
Reduce Common Mode Current (CMC) with a Easy to Build Choke
