This Monday night we will discuss the features your ideal DMR would have. Join the DMR Tech Net to let us know and add your comments to what others suggest.
Join us on Brandmeister Talk Group 31266 (Michigan Nets) for the DMR Tech Net on Monday, November 18th from 7:30 PM ET to 8:25 PM ET. The net will conclude early to allow time to switch (QSY) talk groups to the Michigan One DMR Net (which begins at 8:30 PM ET on BrandMeister Talk Group 3126).
Every Monday night, join the DMR Tech Net as we make Digital Mobile Radio (DMR) easier to understand and fun to use! If you have a topic suggestion for a future DMR Tech Net, please let us know!
Choosing the ideal DMR radio depends on how you plan to use it, but here are some key features that could enhance usability and performance:
- Enhanced Display and Interface: A large, easy-to-read color display with a user-friendly interface makes navigation easier. Touchscreen functionality would be a bonus for quick access to settings.
- Increased Battery Life: Long-lasting battery power, preferably with smart charging and battery-saving modes, would be great for extended use during events or fieldwork.
- GPS Functionality: Built-in GPS is invaluable for tracking and coordinating locations, especially useful in emergency communications and for outdoor activities.
- Dual-Band Capability: Support for both UHF and VHF bands provides more flexibility for communicating on various channels and with different networks.
- Multiple Power Settings: Adjustable power levels (low, medium, high) help conserve battery or boost signal when needed.
- Clear, Loud Audio: Good speaker quality, with noise-canceling technology for noisy environments, helps ensure clear audio both ways.
- Analog and Digital Modes: Full analog support, in addition to DMR, allows communication with both legacy analog systems and modern digital networks, making it versatile in mixed-mode environments.
- Extended Contact Storage and Group Lists: Space to store thousands of contacts and group lists makes it easier to operate on large networks like BrandMeister or DMR-MARC.
- Encryption Options: Legal, secure encryption modes for sensitive or private communications would add a layer of security, especially if used professionally or for emergency services.
- Bluetooth and Wi-Fi Connectivity: Bluetooth for wireless headsets or accessories, and Wi-Fi for over-the-air programming, allow for more convenient usage and updates.
- Remote Programming (OTAP): Over-the-Air Programming (OTAP) would be an advanced feature to make updates without needing to connect to a computer every time.
- Waterproof and Durable Design: An IP67 or higher rating for water and dust resistance, along with a rugged build, makes the radio suitable for various outdoor and challenging environments.
- TOT and Channel Monitoring Settings: Adjustable TOT (Time-Out Timer), and scanning/monitoring capabilities for multiple talk groups simultaneously.
Would these features line up with what you’d find ideal? Or is there a specific use case you’re prioritizing, like emergency response or outdoor field operations?
When designing a desktop DMR radio, features should focus on power, ease of use, flexibility, and durability. Here’s a list of recommended features for an ideal desktop DMR setup:
- High Output Power
- A desktop unit should offer robust power options, typically with variable power settings up to at least 50 watts, to ensure reliable long-range communication.
- Large Color Display and Intuitive Interface
- A big, color screen that can display multiple talk groups, signal strength, contact information, and GPS data.
- Clear, intuitive menu navigation, potentially with touchscreen capabilities for easy access to settings and features.
- Dual-Band Operation (VHF/UHF)
- Support for both UHF and VHF bands to maximize coverage and compatibility with a wide range of networks, including both amateur and commercial bands if permitted.
- Dual Slot and Full Analog/Digital Mode Support
- Ability to handle two talk groups simultaneously (TDMA dual-slot capability), which allows for more efficient spectrum use.
- Support for analog FM modes as well as digital (DMR), so it can operate across both analog and digital systems for versatility.
- Multiple Talk Group Monitoring and Scanning
- Capability to monitor multiple talk groups, with priority scanning and configurable scanning lists, which is helpful for operators managing multiple channels or talk groups.
- Extended Contact and Channel Storage
- Ample memory to store thousands of contacts, channels, and talk groups, especially useful for large networks like BrandMeister or local DMR networks.
- GPS Integration and APRS Support
- Built-in GPS, with support for APRS (Automatic Packet Reporting System) for real-time location sharing on both analog and digital bands.
- Remote Programming (OTAP) and Local Programming
- Over-the-Air Programming (OTAP) would allow for remote configuration changes, reducing the need for constant computer updates.
- A front-facing USB or Ethernet port for programming through a computer directly, supporting both Windows and Mac software for flexibility.
- Internet Connectivity for Hotspot and IP Linking
- Built-in Wi-Fi and Ethernet ports would enable connecting directly to a home or office network, allowing for IP-based linking and access to DMR networks (similar to a hotspot without additional hardware).
- Bluetooth Connectivity
- Bluetooth functionality for connecting wireless headsets or other accessories, making it easier to operate hands-free or in environments where wired connections might be limiting.
- Advanced Audio Options
- High-quality internal speakers with an external speaker option and noise-canceling technology to ensure clear sound in noisy environments.
- Adjustable audio equalizer settings to fine-tune sound quality based on user preference and environment.
- Built-In Power Supply
- A built-in, regulated power supply that allows for direct AC plug-in, rather than relying on an external power supply, reducing clutter and enhancing ease of installation.
- Rugged and Compact Design
- A durable metal chassis for improved heat dissipation and longevity. Compact enough to fit easily on a desktop but with enough weight and stability to stay in place.
- TOT, Emergency Alerts, and Programmable Buttons
- Adjustable Time-Out Timer (TOT), emergency call options, and programmable buttons for customizable shortcuts to frequently used features, such as switching talk groups or adjusting power levels.
- Encryption and Privacy Features (where permitted)
- Built-in encryption for secure, private communications on commercial DMR frequencies, if permitted by regulations.
- USB-C and HDMI Out for Monitor Display
- A USB-C port for modern connectivity options and HDMI out to connect the radio display to a larger monitor or control console, which would be especially useful for digital command centers or control rooms.
- Voice Recording and Playback
- Option to record transmissions and playback previous transmissions, which is useful for reviewing received information or during emergency communications and dispatch operations.
- IP Linking and Remote Control Capability
- IP linking support to connect to digital networks directly over the internet without a radio repeater, plus remote control options through web-based or app-based systems to manage the radio remotely.
These features would make the desktop DMR radio a powerful and versatile tool for both amateur radio operators and professional applications.
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You can always chat with the DMR Tech Net team on TGIF talk group 31268, the DMR Tech Net channel or Brandmeister talk group 31266, the Michigan Nets channel
The DMR Tech Net team is assisting Dustin N8RMA with NCS duties on the Michigan One DMR Net.
Here is the list of the upcoming NCS (Net Control Stations) for it:
- Nov 18 Tom N8TJ with Rick AD8KN as backup
- Nov 25 Bob KB8DQQ
- Dec 2 Steve KC8WXM
- Dec 9 Dustin N8RMA with Rick AD8KN as backup
https://www.michiganonedmr.net/
The next DMR Tech Net TV Zoom broadcast is Tuesday, November 19 from 8pm-9pm ET. Join us as David Wolf WO5H will be our guest. He will tell us about his role as the “King of Parts” at Radio Shack along with adding amateur radio products to their product line in the 1990’s. He’ll talk about the radios (the HTX-100, HTX-202, HTX-242, HTX-404 and others) plus Radio Shack amateur radio products along with answering your questions!
To join the DMR Tech Net TV Zoom meeting, click the following link: https://us02web.zoom.us/j/84447664395?pwd=djZMbFZaWVRkRDRudkRFeWc2WWV4UT09
Another option is to go to https://zoom.us/, then select “Join” (in the top right-hand corner), and use the following parameters to connect to the DMR Tech Net TV Zoom meeting:
- Meeting ID: 844 4766 4395
- Passcode: 370040
To join with only your phones’ audio, dial (312) 626-6799 and input the following:
- Meeting ID: 844 4766 4395
- Passcode: 370040
To view previous DMR Tech Net TV shows, visit our YouTube channel (and click the “Like” button!): (https://www.youtube.com/@DMRtechnetTV) or website (https://dmrtechnet.net/dmr-tech-net-tv/)
If you want to hear the audio of this net, click this link: https://drive.google.com/file/d/12-v8dtAh6WeeupFAS5Qzx0jE82gRhy6n/view?usp=drive_link
I’m sorry if I forgot to start recording at the beginning of the DMR Tech Net!
| Quick recap |
| The team discussed the features they would like to see in a future DMR radio, including automatic gain control, a combination of HF, UHF, and DMR on one radio, and the ability to update the software automatically. They also explored the idea of standardized programming software across different companies and the potential for cross-networking with other digital platforms. Lastly, they discussed the idea of having a touchscreen on a DMR radio and the features they would like to see in an ideal digital mobile radio. |
| Next steps |
| • Lucille to reconfigure IP addresses and set up new Wi-Fi router after purchasing during Prime Days. |
| • Tom (NA TJ) to host the Michigan One DMR Net at 8:30 PM on Brandmeister talk group 3126. |
| • All participants to consider joining Lucille’s Sunday night net at 6:30 PM on Upper Peninsula Brandmeister talk group 31268. |
| Summary |
| Future DMR Radio Features Discussion |
| Dana led a discussion on the features desired in a future DMR radio. Jackson expressed satisfaction with his current Red RT3S, which he plans to continue using for a while. Kerr expressed interest in a combination of HF, UHF, and DMR on one radio, and highlighted the importance of automatic gain control. Steve suggested a handheld DMR radio from an American company, while Rick from Windsor, Ontario, couldn’t think of any extra features he’d like to have in a DMR radio. The conversation ended with a discussion on the possibility of multi-network radios and the potential for exploring other networks like D-Star and YSF. |
| Screen Size, Automatic Gain Control |
| Dana expressed satisfaction with the screen size on her current device and praised the automatic gain control feature of the Opengd 77 firmware. She also mentioned the need for a more efficient battery charging system. Rick then shared his thoughts on the features he would like to see in a DMR radio, including a built-in hotspot, programmability, and the ability to update the software automatically. He also suggested the inclusion of a power socket for charging the device. Dana agreed with Rick’s suggestions and emphasized the importance of making the device more updatable. |
| Ideal DMR Radio Features Discussion |
| Dana led a discussion on the features of an ideal DMR radio, with participants sharing their preferences and concerns. Rick suggested automatic updates, while Stan proposed an alias system to avoid updating digital contacts. Brad, a rookie on the team, expressed satisfaction with his current DMR radio and mentioned the Rfinder’s feature of using 4G LTE when no DMR repeater is nearby. The meeting also included check-ins from various participants, including John WATO, Bob, Brad, and Lucille. |
| Ideal DMR Radio Features Discussion |
| In the meeting, Dana led a discussion about the features that would be ideal for their next DMR radio. John expressed his love for his new hotspot, highlighting its consistency and functionality. He also mentioned his preference for a larger screen with more information. Stan was expected to discuss his thoughts on the topic, but his input was not recorded. Bob, a newcomer to the group, suggested a larger screen for easier reading. Lastly, Brad, who recently joined the group, expressed his satisfaction with his current 8, 7, 8 DMR radio and mentioned a potential feature of a USB charging port for car use. |
| Standardizing Programming Software Across Carriers |
| Dana discussed the potential for standardized programming software across different companies, specifically mentioning the idea of a generic hotspot system that could be used across all cell phone carriers. She also mentioned the possibility of cross-dressing other digital platforms with DMR, although she noted that VStar might not be as friendly to this approach. Dana also touched on the topic of adjusting timeout times in DMR systems. Lastly, she asked Tom for his thoughts on the topic of YSF and cross-networking, but Tom did not provide any input. The conversation ended with a discussion about the potential for USB-C chargers in new radios. |
| Ideal Digital Mobile Radio Discussion |
| Dana led a discussion on the features of an ideal digital mobile radio. Lucille, who uses an Anytone 878 plus, expressed satisfaction with her current radio and hotspot setup. Dana then asked Stan about his thoughts on a touch screen on a radio, to which Stan responded that he prefers knobs and buttons over menus and touch screens. He also shared his experience with a touch screen Dgif clock, which he finds reliable but not upgradeable. The conversation ended with a reminder of Lucille’s Sunday night net on the upper peninsula. |
| Touchscreen DMR Radio Discussion |
| Dana discusses the idea of having a touchscreen on a DMR radio with other participants. Steve thinks a touchscreen would not make much difference on a radio due to the small screen size. Rick believes a touchscreen could be useful, especially a larger one, to access various radio options and settings. Brad mentions the RF Finder radio which has a 4-inch touchscreen and 4G LTE connectivity, allowing DMR over LTE, but it is expensive. Lucille suggests having automatic volume control to adjust the audio level based on signal strength. Dana concludes by thanking everyone for their input and announcing the upcoming Michigan 1 DMR Net. |