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How to Clone a Motorola RDX Two Way Radio

If you find yourself having to change radio settings every time a new radio is added to your fleet, you can probably save yourself a lot of time by learning how to clone your Motorola RDX radios. The cloning process simply copies the settings from one two way radio to another, and can be done in 3 ways.

NOTE: For cloning to work successfully, the radios must be the same model number.

Cloning Using a Multi-Charger
If you already have a Motorola RLN6309 RDX multi-charger, then you're in great shape! The RLN6309 has built-in support for cloning, and the process couldn't be simpler.

1. Be sure both the Source and Target radios have charged batteries. The multi-charger does not need to be connected to a power source.
2. Place the Target radio (the radio that needs to have settings updated) in Pocket 1 on the charger and turn the radio ON. (Pocket 1 is on the far left when you are facing the Motorola logo).
3. On the Source radio (the radio to copy from), hold down the PTT and SB2 buttons while turning on the radio. Continue to hold these buttons down until a tone is heard (around 3 seconds). (SB2 is the bottom button on the left side of the radio.)
4. Place the Source radio in Pocket 2 of the multi-charger.
5. Press and release SB1 on the Source radio to initiate cloning. A chirp sound confirms cloning was successful, a bonk sound is heard if cloning was not successful.
6. Turn both radios OFF and then ON to exit cloning mode.

Radio to Radio Cloning Using a Cloning Cable
You can also clone two Motorola RDX series radios by purchasing a Motorola RLN6303 Cloning Cable. The RLN6303 allows you to connect two chargers together, and allows for radio to radio cloning.

Before getting started, be sure that you have a fully charged battery in each radio. Also, please note that the chargers will not need to be connected to a power outlet.

1. Unplug any power or USB cables from the chargers and connect them using the cloning cable.
2. Place the Target radio (the radio that needs to have settings updated) in one of the chargers and turn the radio ON.
3. On the Source radio (the radio to copy from), hold down the PTT and SB2 buttons while turning on the radio. Continue to hold these buttons down until a tone is heard (around 3 seconds). (SB2 is the bottom button on the left side of the radio.)
4. Place the Source radio in the empty charger.
5. Press and release SB1 on the Source radio to initiate cloning. A chirp sound confirms cloning was successful, a bonk sound is heard if cloning was not successful.
6. Turn both radios OFF and then ON to exit cloning mode.

Radio Cloning Using Programming Software
You can also use the Motorola RDX programming software to essentially copy the settings from one radio to another.

1. Download the Motorola CPS software and purchase a programming cable (instructions here).
2. Connect a radio charger to the PC using the programming cable and launch the software.
3. Turn Source radio (the radio to copy from) ON and place it in the charger.
4. In the software, click the "Read Radio" button on the toolbar. This downloads the configuration from the radio.
5. Turn Target radio (the radio that needs to have settings updated) ON and place it in the charger.
6. In the software, click the "Write Radio" button on the toolbar. This uploads the configuration that was previously read to the new radio.

These instructions apply to all two way radios that are part of the Motorola RDX series. Models include RDU2020, RDV2020, RDU2080d, RDV2080d, RDU4100, RDV5100, and the RDU4160d.

2 thoughts on “How to Clone a Motorola RDX Two Way Radio”

  • Rick

    Hi, the RDU4100 is 12.5kHz to comply with FCC narrowband requirements in the US. The RDU4103 is sold in Canada and is available in 25kHz wideband. Cloning directly between the radios may be an issue due to differences in bandwidth configurations. We are based in the US and do not carry the RDU4103, so you may need to contact Motorola directly for assistance.

    Reply
  • khanh tran

    hello i have a ser of rdu rdu4100 and a single rdu 4103 i tried to cloned the 4103 but not succeed. i did use both sofware and the multi charge but stil.cant do it any soluntion for it ? tks

    Reply
  • Brett Grumm

    I have a walmart rmd2070d motorola walkie. I need to know how to retrieve the frequency on it to put on my rmu2080d walkie. Is there anyway to get the info or do I need to contact motorola?

    Reply
  • Bobby Bollas

    Thank you very much for your easy instructions on how to clone my radios.

    Reply

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