Motorola WM500 Wireless PoC Remote Speaker MicrophoneMotorola's first wireless RSM compatible with PTT over cellular applications. The Motorola WM500 has been tested and works with the KODIAK broadband PTT platform, which is used by major wireless carriers including AT&T, Bell Canada, Sprint, and Verizon as well as WAVE, our cloud based broadband PTT service. When you're working in highly mobile, hands on industries, you need quick and easy access to PTT applications on your radio or smartphone. The