Motorola PMMN4127 PMMN4127A WM500 Wireless Remote Speaker Microphone
The Motorola PMMN4127 / PMMN4127A WM500 is a Bluetooth wireless remote speaker microphone for compatible Motorola radios, PoC devices and smartphones. It provides wireless PTT operation, up to 100 m line-of-sight range, IP67 protection and flexible controls for professional mobile communication.
- Product Type: Wireless Remote Speaker Microphone (RSM)
- Part Number: PMMN4127 / PMMN4127A
- Model: WM500
- Wireless: Bluetooth 5.0 with NFC Pairing
- Range: Up to 100 m Line-of-Sight
- IP Rating: IP67
- MOQ: 1 piece
Motorola PMMN4127 / PMMN4127A WM500 Wireless Remote Speaker Microphone
The Motorola PMMN4127 / PMMN4127A WM500 is a wireless remote speaker microphone designed for compatible Motorola two-way radios, broadband PTT devices and Android-based communication applications. Bluetooth connectivity allows users to access push-to-talk and audio functions without a cable between the RSM and the host device.
The WM500 supports Bluetooth 5.0 with standard Bluetooth and NFC pairing and provides a maximum wireless range of approximately 100 metres line-of-sight. Its IP67-rated housing is designed for professional use in dusty, wet and demanding working environments.
Integrated controls include a side PTT, emergency button, four programmable buttons and volume adjustment. A 3.5 mm audio jack supports compatible receive-only audio accessories, while USB-C charging simplifies daily operation.
Specifications
| Brand | Motorola Solutions |
| Part Number | PMMN4127 / PMMN4127A |
| Model | WM500 |
| Product Type | Wireless Remote Speaker Microphone |
| Bluetooth Version | Bluetooth 5.0 |
| Wireless Range | Up to 100 m line-of-sight |
| Pairing | Standard Bluetooth + NFC |
| IP Rating | IP67 |
| Battery | 1130 mAh |
| Battery Life | Up to 40 hours with BYOD applications; approx. 17 hours with supported LMR radios |
| Charge Time | Approx. 2 hours |
| Charging | USB-C |
| Programmable Buttons | 4 |
| Emergency Button | Yes |
| Volume Control | Yes |
| Audio Jack | 3.5 mm |
| Dimensions | Approx. 80 × 24.5 × 57.5 mm |
| Weight | Approx. 128 g |
Compatible Motorola Radios and Devices
MOTOTRBO: R5, R7, MOTOTRBO Ion.
WAVE / PoC: TLK 100, TLK 110, TLK 150, Evolve, LEX L11, SLN1000 and compatible Android BYOD devices.
TETRA: MXP600, MXP660; WM500 is also listed as a compatible Bluetooth RSM for the MXM600 platform.
Some radio models require a minimum WM500 firmware version. Motorola recommends keeping the WM500 firmware updated to support newer radios and functions. Please provide the exact radio or PoC device model when ordering if compatibility confirmation is required.
Ordering Information
We supply Motorola wireless radio microphones for distributors, radio dealers, system integrators, fleet operators and other B2B buyers. Original Motorola WM500 units and compatible wireless audio options can be quoted according to availability and purchasing requirements.
- MOQ: 1 pc
- Payment: T/T and Credit Card
- Trade Terms: EXW, FOB, FCA, DAP and DDP
- Delivery: Typically 4–7 business days for available stock by international express
- Freight Forwarder: Delivery to your appointed freight forwarder in China is available
FAQ
What is the MOQ for the Motorola WM500 PMMN4127?
The MOQ is 1 pc, so buyers can order a single unit for testing, replacement or project evaluation.
Can you confirm WM500 compatibility before ordering?
Yes. Please provide the exact Motorola radio, PoC terminal or smartphone application being used, as compatibility and minimum firmware requirements can vary by device.
How long does international delivery normally take?
For available stock, international express delivery normally takes around 4–7 business days after shipment. The actual lead time will be confirmed before ordering.
What happens if there is a quality problem?
For a confirmed product quality issue, we can arrange a replacement shipment or refund according to the order situation.










