1。可以直接接入以太网,跨网段和跨路由2。几次拨号实现全双工对讲机3。广播的区域允许authorityMagnetic钩舌簧开关切换。4所示。的专利设计手机外壳防水和防尘,不需要防水盖,美观实用。5。电话的内部电路采用国际通用双面集成电路,准确的发送数量的优势,明确的调用和稳定的工作。6。碳钢表面喷塑料、机械强度高和强大的抗冲击性。 There is a card area on the front of the fuselage. 7. Hotline Emergency Phone. 8. Key parts, handles, forks, and keyboards are all produced by our company. Quality control is strictly controlled, and the after-sales response is fast. 9. Multiple color available. 10. Self-made telephone spare part available. 11. CE, FCC, RoHS, ISO9001 compliant.