In today’s digitally connected world, amateur radio isn’t just about radios and antennas — it’s also about the secure, smart use of modern networking tools. One tool that’s gaining popularity among hams is WireGuard, a next-generation VPN protocol. While VPNs are often associated with corporate IT or privacy tools, they have practical and exciting use cases for amateur radio operators too.

Let’s explore what WireGuard is and how it can empower your ham radio setup — from remote control to repeater networking.

What is WireGuard?

WireGuard is an open-source, modern VPN (Virtual Private Network) that’s fast, lightweight, and secure. Think of it as a secure tunnel between two or more devices, no matter where they are in the world. It uses cutting-edge cryptography like ChaCha20 and Curve25519 and is designed to be extremely simple to set up and manage.

Some key features:

• Blazing fast performance, even on low-powered devices like Raspberry Pi.
• Built into the Linux kernel (also works on Windows, macOS, iOS, Android).
• Minimal configuration with easy-to-read config files.
• Highly secure with modern encryption standards.

Why Should Hams Care?

You might be wondering — “What does a VPN have to do with amateur radio?”

Well, WireGuard isn’t just for IT professionals. It can be incredibly useful for amateur radio in a variety of modern applications:

1. Remote Station Access

Operate your station remotely — securely. Use WireGuard to connect to:

• Your home radio via web interface (e.g., Hamlib, WebSDR, OpenWebRX).
• Digital modes like FT8, even when you’re away from home.
• Control rotators, power switches, and more — all over a private network.

No need to open public ports or worry about hacking attempts.

2. Linking Repeaters or Nodes

Running AllStarLink, EchoLink, or DMR nodes? WireGuard is perfect for:

• Securely linking multiple nodes.
• Simplifying firewall and NAT traversal.
• Avoiding reliance on port forwarding or dynamic DNS.

With WireGuard, repeaters in different locations can talk to each other over encrypted tunnels.

3. Emergency Communications (EMCOMM)

In emergency situations, you may deploy AREDN mesh networks, Raspberry Pis, and LTE routers. WireGuard lets you:

• Quickly set up a secure, private network between team members.
• Share sensitive data, maps, or status pages — safely.
• Connect mobile and fixed stations over WiFi, LTE, or satellite links.

WireGuard is lightweight enough to run on solar-powered mesh nodes and Pi devices in the field.

Legal Note for Hams

It’s important to point out:

Encryption is NOT allowed over amateur radio frequencies in most countries (including Malaysia and the U.S.).

This means you cannot run WireGuard over RF links on ham bands. But here’s where you can:

• Private home or field networks using WiFi, cellular, or fiber.
• Between club servers or repeaters connected via the internet.

Always follow your country’s amateur radio regulations.

Easy Setup with WG-Easy

Want to get started without headaches? The easiest way to install and manage WireGuard is with WG-Easy — a simple web interface for WireGuard.

Install WG-Easy (Docker)

If you’re familiar with Docker, just run:

docker run -d \
  --name=wg-easy \
  -e WG_HOST=your.domain.com \
  -e PASSWORD=your_password \
  -v ~/.wg-easy:/etc/wireguard \
  -p 51820:51820/udp \
  -p 51821:51821/tcp \
  --cap-add=NET_ADMIN \
  --cap-add=SYS_MODULE \
  --sysctl="net.ipv4.ip_forward=1" \
  --sysctl="net.ipv4.conf.all.src_valid_mark=1" \
  --restart unless-stopped \
  weejewel/wg-easy

Then visit http://your-server-ip:51821 to manage your VPN through a friendly web UI. Generate keys, scan QR codes for your phone or field devices, and connect in minutes.

Works beautifully with Android/iOS WireGuard apps — great for mobile operators.

Summary: Why Hams Should Use WireGuard

Final Thoughts

WireGuard is more than just a tool for techies — it’s a game-changer for the modern amateur radio operator. Whether you’re running a club repeater, experimenting with remote stations, or preparing for field communications, adding a secure layer like WireGuard is smart, responsible, and powerful.

The post How Amateur Radio Operators Can Use WireGuard for Secure Networking appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

In today’s increasingly connected amateur radio landscape, digital linking is no longer a novelty—it’s a vital part of modern ham operations. The SHARI PiZero (SA818 Ham Allstar Radio Interface for PiZero) is a purpose-built solution designed for hams who want a compact, efficient, and reliable Allstar node that they can build themselves. Whether you’re an experienced builder or new to DIY radio kits, the SHARI PiZero offers an excellent balance of performance, flexibility, and value.

What is SHARI PiZero?

The SHARI PiZero is a custom-designed hardware kit that transforms a Raspberry Pi Zero 2W into a fully functioning Allstar Node. Designed for use in the amateur radio service, the kit incorporates a NiceRF SA818 embedded radio module, available in UHF (420–450 MHz) or VHF (144–148 MHz) versions. It provides 250–500 milliwatts of RF power—ideal for hotspot use or local repeater access.

The kit includes a dedicated USB audio interface (CM108B), a lowpass filter to meet FCC Part 97 spurious emissions requirements, and a three-port microUSB hub to support accessories like USB-to-Ethernet adapters or external keyboards. This makes setup and configuration via wired Ethernet not only possible but preferred, especially for first-time builders working with the HamVOIP Allstar image.

Key Features at a Glance

• Embedded NiceRF SA818S module in UHF or VHF band options
• CM108B USB audio chip for high-quality audio handling
• Lowpass LTCC filter to ensure spectral cleanliness
• Integrated 3-port USB hub for peripherals and Ethernet adapters
• Surface mount components pre-installed — minimal soldering required
• Compact and rugged Hammond aluminum enclosure
• Optional pre-soldering and full assembly services

Construction and Setup: Designed with Builders in Mind

SHARI PiZero is designed as a partially pre-assembled kit. The PCB arrives with all small surface-mount components factory-installed. As the builder, you’ll install only a few through-hole components: the SA818 radio module, SMA RF connector, and headers for the Raspberry Pi. All necessary cables are included, and detailed instructions are provided via request.

One of the advantages of the SHARI PiZero design is its thoughtful inclusion of hardware for a clean build—such as 3D-printed end caps and optional blank end plates for custom modifications.

The Raspberry Pi Zero 2W (not included in the base kit) plugs directly into the SHARI motherboard using the GPIO header and a custom USB cable. Since the PiZero doesn’t have an Ethernet port, the onboard USB hub lets you plug in a microUSB-to-Ethernet adapter, ensuring a stable connection for image configuration and updates.

Kit or Fully Assembled: Your Choice

SHARI PiZero is available in two models:

• PiZeroU (UHF 420–450 MHz)
• PiZeroV (VHF 144–148 MHz)

You can purchase the kit for just $100, which includes all components except the Raspberry Pi Zero 2W, power supply, and microSD card. If you prefer, for an additional $5, the SA818 module can be pre-soldered for you.

Don’t have the time or tools to assemble the kit yourself? A fully assembled and tested SHARI PiZero is available for $205, which includes the Raspberry Pi Zero 2W and a power supply. For wired networking, an optional microUSB-to-Ethernet adapter can be added for $10—tested and guaranteed to work with the HamVOIP Allstar distribution.

Shipping to U.S. addresses is a flat $9 via USPS Priority Mail.

Community and Support

Builders and users of SHARI can access community-based support through the SHARI Groups.io group, which serves as the primary hub for troubleshooting, build questions, and ideas. For software-related support (e.g., configuring HamVOIP or ASL), users are encouraged to consult the respective project sites.

Get Started

Whether you’re setting up a remote Allstar node at your vacation cabin, building an RF link for your club repeater, or just want a portable digital access point, SHARI PiZero is a reliable and customizable solution.

To order, download the SHARI PiZero Order Form and email it to kits4hams@gmail.com. You’ll be added to the waitlist and notified when your kit is ready. Payment is accepted via PayPal.

Visit https://kits4hams.com/shari-pizero

The post Build Your Own Compact Allstar Node with SHARI PiZero appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

If you’re an amateur radio operator looking for an affordable, versatile, and hackable interface for your radios, the Ham Radio All-in-One Cable (AIOC) is the perfect solution! Currently undergoing testing, the AIOC combines multiple functions in a compact and easy-to-use USB-C adapter. Whether you need to interface with your radio for APRS, programming, or Push-To-Talk (PTT) control, the AIOC has you covered.

What is the AIOC?

The AIOC is an innovative all-in-one cable that serves as:

• A sound-card interface for APRS and digital modes
• A virtual COM port for radio programming and PTT assertion
• A CM108-compatible PTT interface for software like Direwolf, enabling seamless integration with popular modes and applications

It’s based on the easy-to-hack STM32F302 microcontroller and comes with a customizable firmware that allows for a variety of useful configurations. Whether you’re an experienced DIYer or just getting started with digital modes, the AIOC provides a flexible platform for exploration.

Key Features:

• Affordable & Hackable: A cost-effective solution for digital mode interfaces, similar to Digirig or Mobilinkd.
• Dual PTT Support: Easily control two radios or use your AIOC for different radio projects.
• Compact Form Factor: A small, easy-to-use interface that can be modified or customized for specific use cases.
• Cross-Platform Compatibility: Works with Linux, Windows, and macOS (with some limitations).
• Wide Software Compatibility: Supports popular software like Direwolf, AllStarLink, APRSdroid, CHIRP, and VaraFM.

Tested Radios:

The AIOC has been successfully tested with several radios including:

• Wouxun UV-9D Mate
• Baofeng UV-5R
• BTECH 6X2
• Quansheng UV-K5

…and many more!

How to Build and Assemble the AIOC:

Building your own AIOC is simple! With the included Gerber files, you can easily order a custom PCB and have it assembled. If you’re more into hands-on work, you can solder the necessary components like the TRS connectors to complete the build.

For those who prefer ready-made solutions, the assembly process is straightforward, and a 3D-printed case is available for a neat and sturdy final product.

Firmware and Updates:

The AIOC is powered by the STM32F302 MCU, which is programmable via USB using the DFU bootloader. Firmware updates are easy to apply, and the latest version (1.2.0) adds support for external hardware input, adjustable audio levels, and a CM108-style PTT interface for even more features.

How to Use the AIOC:

Once programmed, the AIOC acts as a COM port (Windows) or ttyACM port (Linux) for programming your radio and controlling PTT via standard serial commands. The soundcard interface supports multiple baud rates (including 48000 Hz, 32000 Hz, 24000 Hz, and more), making it ideal for APRS and other digital modes.

With the new CM108-compatible PTT interface (available in firmware 1.2.0), you can use your AIOC with Direwolf and other software that support CM108-style PTT, providing even more flexibility.

Software Compatibility:

• Direwolf: Use the AIOC as an AX.25 modem/APRS encoder/decoder.
• AllStarLink (ASL3): Set up an AllStarLink node with your handheld radio and the AIOC.
• APRSdroid: Supports APRSdroid with the fixed 22050 Hz sample rate (ideal for APRS).
• CHIRP: Easily program your radio with CHIRP, just like with a regular programming cable.
• VaraFM: Use the AIOC for PTT control while operating with VaraFM.

Known Issues:

While the AIOC performs excellently with most radios and software, there are a few known issues with electromagnetic interference (EMI) when using a handheld radio with a monopole antenna. This can be mitigated with ferrite cores or by isolating certain wires between the radio and AIOC.

Future Updates and Features:

The development team is actively working on several exciting new features for the AIOC:

• Configurable Settings: A Python script will allow you to change settings like PTT assertion or USB VID:PID, making the AIOC even more customizable.
• Virtual PTT & COS: Future updates will allow the AIOC to automatically assert PTT when it receives TX data or notify your PC of audio activity via CM108 emulation.

Why Choose the AIOC?

If you’re looking for an affordable, flexible, and customizable solution to enhance your amateur radio setup, the AIOC is a game-changer. It supports a wide range of radios and software, and its open-source nature means you can hack and modify it to suit your specific needs.

To learn more about the AIOC or to get started on your own project, visit the official AIOC GitHub Repository for documentation, firmware, and more.

The post Introducing the Ham Radio All-in-One Cable (AIOC): The Ultimate Multi-Purpose Interface for Your Radios! appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Allmon2 is a web-based interface designed for managing AllStarLink nodes, providing an intuitive way to monitor and control repeater systems remotely. It allows amateur radio operators to check node status, make connections, and perform administrative tasks efficiently. This guide covers the installation and configuration of Allmon2 on your AllStarLink node.

Prerequisites

Before proceeding with the installation, ensure that your system has the required components:

• Apache or Lighttpd (for hosting the web interface)
• PHP
• Git

If these are not already installed, refer to the official documentation for the latest installation instructions.

Step-by-Step Installation Guide

1. Log in to Your Node

Access your AllStarLink node as the ‘repeater’ user. You can do this via SSH or by directly connecting a keyboard and monitor.

ssh repeater@your-node-ip

2. Install Git and Clone Allmon2 Repository

Run the following commands to install Git and download Allmon2 to the web directory:

sudo apt install git -y
sudo git clone https://github.com/AllStarLink/AllMon2.git /var/www/html/allmon2

3. Configure Allmon2 Files

Change to the Allmon2 directory and rename configuration files:

cd /var/www/html/allmon2
sudo mv allmon.ini.txt allmon.ini.php
sudo mv controlpanel.ini.txt controlpanel.ini.php

4. Edit the Configuration File

Modify the Allmon2 configuration to match your node settings:

sudo nano allmon.ini.php

Update the following fields:

• Replace [500] with your actual node number.
• Set host=127.0.0.1:5038.
• Update passwd=yourpassword (Check /etc/asterisk/manager.conf for the correct password).
• Change menu=yes if you want a menu interface.

Save the changes by pressing <CTRL> + X, then Y, and <Enter>.

Example configuration:

[1234]
system=MySites
host=127.0.0.1
user=admin
passwd=yourpassword
nomenu=yes

[1234 My Node]
system=MySites
nodes=1234

Enabling Buttons and Control Panel

To set up authentication for the web interface, create a password for the admin user:

cd /var/www/html/allmon2
htpasswd -cB .htpasswd admin
chmod 777 astdb.php

Note: Avoid using an exclamation mark in the password, as it may cause issues.

Database Setup

You need to create and update the database file manually:

cd /var/www/html/allmon2
sudo ./astdb.php

To keep the database updated, schedule a cron job to run the above command daily.

Testing and Using Allmon2

Once the installation is complete, access Allmon2 via your web browser:

http://192.168.x.x/allmon2

Log in with:

• Username: admin
• Password: The one you set using htpasswd (default is llcgi).

Lighttpd Configuration (Optional)

If you’re using Lighttpd instead of Apache, you need to modify its configuration. Edit /etc/lighttpd/lighttpd.conf and add:

server.stream-response-body = 2

Restart Lighttpd for changes to take effect:

sudo systemctl restart lighttpd

Final Thoughts

With Allmon2 installed and configured, you now have a powerful tool to manage your AllStarLink node efficiently. It provides real-time monitoring and control capabilities, making node administration seamless for amateur radio operators. Stay updated with the latest releases and improvements by checking the AllStarLink GitHub repository.

Happy operating and 73!

The post Installing Allmon2 for AllStarLink Node appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Step 1: Registering with AllStarLink

Before you can set up your node, you need an account on AllStarLink’s website. Once registered, follow these steps:

1. Request a Node Number – Log in to the portal and request a unique node number.
2. Wait for Approval – It may take some time for your request to be processed.
3. Download the ASL Image – Head over to the downloads section and get the latest AllStarLink image for your device (typically a Raspberry Pi or a PC).

Step 2: Installing AllStarLink on Your Device

For Raspberry Pi:

1. Flash the ASL image onto an SD card using tools like Balena Etcher.
2. Insert the SD card into your Raspberry Pi and power it up.
3. Connect a monitor and keyboard for initial setup.

For a PC:

1. Burn the ASL image to a USB stick using Rufus.
2. Boot from the USB and follow the on-screen installation instructions.

Step 3: Configuring Your Node

1. Login to Your System – The default login is usually:
   • Username: root
   • Password: aslpi (Change this immediately!)
2. Run the Initial Setup
   • Type asl-menu to launch the configuration tool.
   • Set your callsign, node number, and other required details.
3. Network Configuration
   • Ensure your device is connected via Ethernet or Wi-Fi.
   • Set up port forwarding in your router (port 4569 UDP) for remote access.

Step 4: Audio Interface and Radio Setup

If you are connecting a radio to your node, you will need a USB sound interface (e.g., DMK URI, Masters Communications RA-series, etc.). Follow these steps:

1. Connect your interface to the Raspberry Pi or PC.
2. Modify the rpt.conf file (usually found in /etc/asterisk/): nano /etc/asterisk/rpt.conf Configure TX and RX settings according to your radio.
3. Calibrate Audio
   • Run simpleusb-tune-menu to adjust audio levels.
   • Ensure proper deviation levels for clean audio.

Step 5: Testing and Going Live

1. Restart Asterisk: service asterisk restart
2. Check Your Node Status: asterisk -rx "core show channels"
3. Connect to a Test Node: asterisk -rx "rpt fun <your_node_number> *3<test_node_number>" Example: *320003 to connect to the AllStarLink Hub.

Additional Tips

• Use Supermon or Allmon2 for web-based node monitoring.
• Secure your system by setting up fail2ban and disabling root SSH access.
• Join the AllStarLink community forums for troubleshooting and support.

Once your node is up and running, you can link with repeaters, personal nodes, and networks worldwide, extending your ham radio experience beyond traditional RF coverage.

https://wiki.allstarlink.org/wiki/Beginners_Guide

Happy operating and 73!

The post Setting Up Your AllStarLink Node appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.