Wireless PTT Internet 2G/3G Two Way Radio SIM Card
TH-289 is a basic two way radio with rugged shell, no need detail training, suitable for beginners.
1. SOS (Panic button )
2. GPS (Optional)
3. Support 3G/2G network
4. Support Group Call, Single Call, Selective Call, Emergency Call
5. Non-screen – Rugged design ...
Push-To-Talk (PTT) is no longer a technology-driven term, it is an enterprise-wide capability. It enables teams to communicate instantly, reliably and productively together to improve business and elevate service. Today, broadband networks and devices are so ubiquitous, that any worker can be connected to any device in their pocket or on their desk with real-time communications through PTT. With interoperable broadband PTT, everyone can become part of the conversation without concern about which device or network they use.
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