Motorola PMMN4127 WM500 Bluetooth Remote Speaker Mic
Wireless RSM • Bluetooth • Operation Critical • PTT-Over-Cellular • WAVE PTX Compatible
The Motorola PMMN4127 WM500 Operation Critical Bluetooth Remote Speaker Mic is Motorola's first wireless RSM built for push-to-talk-over-cellular applications. Designed for teams running WAVE PTX and broadband push-to-talk, the PMMN4127 lets workers talk and listen without unclipping their device — a clean upgrade for anyone using a business push-to-talk device on a cellular network.
Who It's For
Built for crews running PTT-over-cellular on the wireless accessory ecosystem — the WM500 PMMN4127 pairs over Bluetooth so there's no cord between the speaker mic and the device. Not sure it fits your hardware? Contact our Canadian radio team or call 1-800-984-1534.
Key Features
Wireless Bluetooth RSM
Motorola's first wireless remote speaker mic — the PMMN4127 connects over Bluetooth, so there's no coil cord tethering the mic to the device.
PTT-Over-Cellular Ready
Compatible with push-to-talk-over-cellular applications, the WM500 is purpose-built for broadband PTT rather than conventional radio frequencies.
KODIAK & Carrier Tested
Tested and working with the KODIAK broadband PTT platform used by major carriers including AT&T, Bell Canada, Sprint, and Verizon.
WAVE Cloud PTT
Works with WAVE, Motorola's cloud-based broadband PTT service, keeping dispersed teams connected over the cellular network.
Compatible Radios
The Motorola PMMN4127 WM500 is designed for PTT-over-cellular devices rather than conventional two-way radios. It has been tested with the KODIAK broadband PTT platform — used by AT&T, Bell Canada, Sprint, and Verizon — as well as Motorola's cloud-based WAVE broadband PTT service. It is commonly paired with WAVE PTX cellular devices such as the TLK100 and TLK110.
Want to confirm the PMMN4127 works with your specific WAVE PTX setup before you order? Talk to our Canadian team first — call 1-800-984-1534 or send us your device details and we'll confirm the pairing. You can also browse the full commercial two-way radio range.
Ask About the PMMN4127 WM500 →
Frequently Asked Questions About the Motorola PMMN4127 WM500
• What is the Motorola PMMN4127 WM500?
The Motorola PMMN4127 is the WM500 Operation Critical Bluetooth Remote Speaker Mic — Motorola's first wireless RSM built for push-to-talk-over-cellular applications. It pairs over Bluetooth so there is no cord between the speaker mic and your device.
• Does the PMMN4127 work with WAVE and KODIAK?
Yes. The WM500 PMMN4127 has been tested and works with the KODIAK broadband PTT platform — used by major wireless carriers including AT&T, Bell Canada, Sprint, and Verizon — as well as WAVE, Motorola's cloud-based broadband PTT service.
• Is the PMMN4127 wired or wireless?
It is wireless. The PMMN4127 WM500 connects to your device over Bluetooth, making it Motorola's first wireless remote speaker mic — there is no coil cord tethering the mic to the device.
• Which devices is the PMMN4127 compatible with?
The PMMN4127 WM500 is built for PTT-over-cellular devices and is commonly paired with WAVE PTX cellular hardware such as the TLK100 and TLK110. To confirm it fits your exact setup, contact our Canadian team at our contact page or call 1-800-984-1534.


