The MMX EMP Bundle
New lower bundle price includes 20% off of accessories in the bundle
This bundle is a combination of the 3-band MMX plus commonly selected accessories, for the purpose of simplifying the purchase of an MMX-based radio. This includes:
1. The tri-band MMX Morse Transceiver, providing QRP operation on 80, 40, and 20 meters, plus all bands and more power using your existing station transceiver. Keyboard is included.2. The Transceiver Cable Assembly, enabling convenient interconnection to your existing transceiver for more power and more bands 3. The MMX stand, to enable the screen to be visible at a 45 degree angle4. The cable adaptor, for use to connect to a RG-239 connector on an existing antenna. This is used for QRP operation, using the built-in transmitter and receiver.5. The Transceiver EMP Bundle, adds protection to your MMX and provides a flexible keyboard to fit in the EMP shield bag. Also includes in inner canvas bag (not shown in photo above) photo) for enclosing the MMX to protect the EMP Shield from the corners of the MMX.
And now, we are adding an essential ingredient by popular demand!
5. HF/VHF/UHF to 6 GHz 5W Dummy Load, to keep your transmitter safe when not using a properly tuned antenna!
6. A small set of wired earbuds for listening.
More details can be viewed on each of the product pages using the links above. Add our 40/20 NO TUNE antenna - no EMP protection required!
Low Loss 8m (26 ¼ foot) Antenna Male to Female SMA Coax Cable
This LMR-100 low loss coaxial cable is the big brother to the 3m cable that is a part of the Professional Station GO Bag outfit for a complete radio station in a portable 8 pound bag. It connects from the DMX-40 or MMX Morse Code Transceiver output antenna connector to the 40/20M No-Tune End-Fed Antenna, also included in the GO Bag, and manufactured by PreppComm for low SWR across the entire 40/20M band.
Replacement or Extend Length
This high power coax cable can be used to replace a damaged or missing cable from a GO Bag system, or can also be used to extend the original cable length, if desired. Up to 2 cables can be daisy-chained, for a total length of over 52 feet with slightly increased loss of power to the antenna. Or, you can add this to your 3m cable and get about 36' of total length. Lengths longer than 40 feet require LMR-200 or LMR-400 to reduce power loss during transmit.
The MMX Complete Bundle
New lower bundle price includes 20% off of accessories in the bundle
This is the complete bundle: everything you need to get started, just add an antenna. In fact, since this bundle includes a dummy load, you don't need an antenna to start practicing with this MMX, and believe it or not, people have made contacts using a dummy load!
This is a combination of the tri-band MMX plus a complete set of accessories, for the purpose of simplifying the purchase and use of an MMX-based radio. This includes:
1. The tri-band MMX Morse Transceiver, providing QRP operation on 80, 40, and 20 meters, plus all bands and more power using your existing station transceiver. Keyboard is included.2. The Transceiver Cable Assembly, enabling convenient interconnection to your existing transceiver for more power and more bands 3. The MMX stand, to enable the screen to be visible at a 45 degree angle4. The cable adaptor, for use to connect to a RG-239 connector on an existing antenna. This is used for QRP operation, using the built-in transmitter and receiver.5. HF/VHF/UHF to 6 GHz 5W Dummy Load, to keep your transmitter safe when not using a properly tuned antenna6. The MMX Powered Speaker, which provides you with a great sound from your MMX for CW, AM shortwave, and of course SSB stations (Of course the MMX is CW transmit only). An audio cable to connect to the MMX, and a USB charging cable are included.7. AC to USB wall plug with 2.1A and 1.0A outputs. Use 2.1A to run the MMX via the included 5V to 12V cable, and use the 1.0A output to charge the speaker.8. 5V to 12V cable, connects the USB wall plug to the MMX with enough power to transmit at full QRP power.9. A small set of wired earbuds is included for privacy listening.
More details can be viewed on each of the product pages using the links above. You need an antenna, and for temporary setup or portable use, check out our 40/20 NO TUNE Antenna. Also, if you are going portable, you need a 5V supply, such as our Solar Battery System. And finally, you can stash it all in the Deluxe Canvas EMP Bag!
Add Bands to your MMX!
If you purchased an MMX Morse Code Transceiver with less then its full complement of bands, you can always add a band board at a later time.
Each band board contains the specialized frequency-sensitive components and control circuitry for the band it was designed to operate on. The band board is automatically sensed and the band is automatically added to the available bands via the Frequency Button on the Main Screen. When you select the band for the card, it is automatically connected into the circuitry of the SDR receiver and the transmitter, and ready to use instantly.
Each band board also contains protection components to prevent overload of the final power amplifier (PA) of the transmitter in adverse circumstances. The protection circuit is automatically resettable in most circumstances. While it is very unlikely to cause interruption of the ability to transmit on its band due to a failure of the protection components, a backup band card is not a bad idea in cases where getting one repaired is difficult.
Currently available are 80 meter, 40 meter, and 20 meter band cards.
RUYAGE PTT-Z Bluetooth PTT Button for Zello
The RUYAGE PTT-Z Bluetooth PTT Button is a compact wireless remote controller designed to activate Push-to-Talk communication on compatible Zello devices.
Instead of repeatedly touching the on-screen PTT control, users can press the physical PTT-Z button to start transmitting through a compatible smartphone, tablet, or Android PoC device.
With an adjustable Velcro mounting strap, lightweight 11.5g body, and rechargeable battery providing up to approximately 20 days of use per charge, the PTT-Z is a practical accessory for security teams, logistics operations, events, outdoor activities, and other mobile communication applications.
Important: The PTT-Z is a remote control button only. It does not contain a microphone, speaker, cellular service, or independent walkie talkie function. Voice is transmitted and received through the paired phone, PoC device, or connected audio accessory.
Key Features
Wireless Push-to-Talk Control for Zello
The PTT-Z provides a physical external button for supported Zello Push-to-Talk communication.
Press and hold the button to transmit
Release the button when you finish speaking
Reduces the need to use the phone's on-screen PTT control
Suitable for quick-access team communication
The PTT-Z provides remote Push-to-Talk control but is not completely hands-free because the physical button must still be pressed to transmit.
Compatible with Selected iOS and Android Devices
The PTT-Z is designed for supported use with compatible iPhone, iPad, Android smartphones, Android tablets, and selected Android PoC communication devices.
Compatibility depends on:
Mobile device model
Operating system version
Zello or Zello Work version
Bluetooth support
External PTT button recognition
In-app button mapping
Not every Bluetooth-enabled device automatically supports external Push-to-Talk buttons. Confirm compatibility before purchasing for a large team deployment.
Compact 11.5g Portable Design
Weighing only approximately 11.5g, the PTT-Z is easy to carry, mount, or position where the button can be reached conveniently.
Lightweight and compact body
Easy to carry during daily operations
Suitable for uniforms, equipment and workstations
Convenient for mobile communication teams
Adjustable Velcro Mounting Strap
The included Velcro strap allows the PTT-Z to be attached to selected equipment and suitable surfaces.
Possible mounting locations include:
Backpack or shoulder strap
Uniform or equipment strap
Bicycle handlebar when safely positioned
Workstation or control area
Other stable and accessible surfaces
Always make sure the button and strap are mounted securely and do not obstruct controls, visibility, airbags, vehicle operation, or other safety equipment.
Rechargeable Battery with Extended Use
The built-in rechargeable battery provides up to approximately
20 days of use per charge under typical operating conditions.
Built-in rechargeable battery
Reduces the need for frequent battery replacement
Suitable for regular professional communication
Convenient for mobile and outdoor operations
Actual battery life depends on usage frequency, connection time, device settings, temperature, Bluetooth conditions, and battery condition.
Quick Bluetooth Setup
The PTT-Z is designed for straightforward pairing and button mapping through compatible communication applications.
After initial setup, reconnection may occur automatically when the button and paired device are powered on, within range, and supported by the selected app. Reconnection behavior may vary between devices and operating systems.
How to Connect PTT-Z to Zello
Fully charge the PTT-Z before first use.
Turn on Bluetooth on your compatible phone, tablet, or PoC device.
Open Zello and go to the Push-to-Talk button settings.
Select the option to add a new external PTT device.
Press and release the PTT-Z button when prompted.
Confirm that PTT-Z appears in the list of available PTT buttons.
Assign the button to a contact or channel if required.
Open the required contact or channel and test the button before operational use.
Menu names and setup procedures may differ between iOS, Android, Zello Friends & Family, and Zello Work.
Product Specifications
Brand
RUYAGE
Model
PTT-Z
Product Type
Wireless Bluetooth Push-to-Talk Button
Primary Function
External PTT Remote Control
Compatible App
Zello and Other Supported PTT Applications
Compatible Device Types
Selected iOS and Android Smartphones, Tablets and Android PoC Devices
Connection Method
Wireless Bluetooth Connection
Audio Hardware
No Built-In Microphone or Speaker
Battery
Built-In Rechargeable Battery
Battery Life
Up to Approximately 20 Days Per Charge
Mounting Method
Adjustable Velcro Strap
Weight
Approximately 11.5g
Color
Black
Internet Connection Required
Yes, Through the Paired Device and PTT App
Standalone Communication
Not Supported
Package Includes
1 × RUYAGE PTT-Z Bluetooth PTT Button
1 × Adjustable Velcro Mounting Strap
Please check the selected package option to confirm whether a charging cable or any additional accessories are included.
Ideal Applications
Security and patrol teams
Warehouse and logistics operations
Event and venue coordination
Hospitality and property management
Outdoor and field operations
Workstations and dispatch areas
Business team communication
Compatible mobile PoC communication setups
Important Safety and Compatibility Information
The PTT-Z is a button-only accessory and does not transmit audio by itself.
A compatible phone, tablet or Android PoC device is required.
A supported PTT application and active internet connection are required.
The PTT button may need to be added and mapped inside Zello before use.
Bluetooth support alone does not guarantee external PTT compatibility.
Do not describe the product as Zello-certified unless official certification has been confirmed.
Do not mount the button where it could interfere with vehicle controls, visibility, airbags or safety equipment.
Do not operate or adjust the button while driving or riding unless it is lawful and safe to do so.
Battery life is an estimate and varies according to actual use.
Frequently Asked Questions
Does the PTT-Z contain a microphone or speaker?
No. It is a remote PTT control button only. Voice is transmitted and received through the paired device or a connected headset, microphone, or speaker accessory.
Does the PTT-Z work with every iPhone or Android device?
No. The phone or tablet must support Bluetooth external PTT controls, and the selected application must recognize the PTT-Z button. Compatibility can vary by device, operating system, and app version.
Does it work immediately after Bluetooth pairing?
Not always. In Zello, you will usually need to open the Push-to-Talk button settings, add PTT-Z as a new device, and map the button before use.
Can PTT-Z communicate without a phone or PoC device?
No. It does not contain its own radio, SIM card, microphone, speaker, or internet connection.
Can it be used without an internet connection?
The button itself uses Bluetooth, but Zello and other PoC apps generally require internet access through the paired device to send and receive communication.
Is this a completely hands-free communication device?
No. It reduces the need to handle the phone, but the PTT-Z button still needs to be pressed to transmit.
How long does the battery last?
The rechargeable battery can provide up to approximately 20 days of use per charge. Actual battery life depends on use frequency, connection time, temperature, and battery condition.
Explore more
Zello PTT microphones, buttons and communication accessories.
Zello and Zello Work are trademarks of Zello, Inc. Compatibility references do not imply certification, affiliation or endorsement.
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Mini-Keyboard for PreppComm Transceivers
The Mini Keyboard is a lightweight and compact keyboard for the MMX or DMX-40 Morse Code Transceiver, as well as future PreppComm Morse Code transceivers. It weighs a mere 0.7 lb, and uses very little power.
NOTE: You do NOT need to order a keyboard when ordering a DMX-40 or an MMX. One keyboard is included in your kit!
Backup Keyboard
Of course the keyboard will work with most computers as a keyboard, as well, such as when your keyboard batteries are dead, and you don't have time to recharge or you don't have any AAA or AA batteries handy.
The Right Speaker
for your MMX or DMX-40!
There are a lot of variables in the modern self-powered speaker products. Finding the right one that works for the application in mind - allowing you to hear the audio from the DMX-40 or MMX without using headphone.
It turns out that most of the critical functions are not published, so you find out the hard way that the speaker does not work for you. For example, I have a speaker that "forgets" it is plugged into the MMX after having been turned off and back on. So, I have to unplug the audio cable, and plug it back in every time. Nuts. Who would have thought even to ask?
And then there are the speakers that claim to have AUX capability, but when you get them in your hot little hands, hey, where is the AUX input jack? Oh, it's an auxiliary input from a USB source...??
So we took the time to find a suitable speaker to go with your MMX or DMX-40. It is not as small as I would have liked, but it works correctly. And, it has a lot of ofher features you may like:
1. Ability to be charged from our solar battery system
2. FM radio built-in
3. Bluetooth 5.3 connection to your phone
4. Built in microphone for clear phone calling
5. Play MP3 from a USB plug-in
6 Play MP3 from micro SD card plug-in (TF format)
7. Two 5W speakers with stereo sound, 45mm drivers
It also supports TWS, has auto shut-off, It talks to you. It makes coffee! No, forget that. So don't let your teenager get ahold of this! Keep it with your gear and it will remain in excellent condition, no sand in the works. Well, OK, it is also splash proof, whatever that means, so maybe no sand in the works.
The important thing is, plug it in and turn it on, and adjust the volume on the MMX or DMX-40. With typical radio signals and tone signals when transmitting, the speaker should last a day of operation. Charges in 4 hours via an included USB cable into a standard USB power source. Additional cables and USB power bricks available in our Accessories section.
It comes with a manual, but you will need your reading glasses.
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What You Get: Anker Nano Power Bank (5K, MagGo, Slim), USB-C to USB-C charging cable, welcome guide, 24-month worry-free warranty, and lifetime support.
Easy and Tidy Connection to Your External Transceiver!
The cable assembly accessory is an essential add-on for anyone wanting to use their DMX-40 or MMX Morse Code Transceiver with an external transceiver (External Mode). The cable assembly actually consists of two separate cable assemblies:
The first cable connects the KEY IN/OUT connector on the DMX-40 to your straight key and the key in on your external transceiver, using either a 3.5mm or ¼" plug.
The second cable connects the AUDIO IN connector on the MMX or DMX-40 to the headphone jack on your external transceiver (both 3.5mm and ¼" plugs are supplied), and an external powered speaker.
Save a bundle, and have a very neat setup as well, with this custom-designed cable assembly package made for this application! No more multiple Y connectors and jumbled wires!
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