模拟电话KNSP-08LB

网络电话 SIP 知识产权

EN55022:排放EN55024:免疫力入口保护:gb4208 - 93 EMC K21 IP66 FCC ITU-T建议:EN50121(铁路application-Electromagnetic兼容性)KNSP-08L大声讲电话我们额外负载手机制造了20多年。我们萨尔大声讲电话超过120个国家。电话扬声器广泛应用于电厂和隧道噪声区域。大多数噪声需要放大电话30 w分页议长。电话内置分页放大器。电话扬声器与外部防水扬声器。分页系统可以通过这个公共地址电话跟别人交谈。描述项目1。身体健壮的铝合金压铸,汪达尔人耐药及防伪硬件,安装简单。2。 Full keypad with memory, 10 button programmable speed-dial telephone. 3. Store button, Pick button, Redial button. 4. Door cover: orient automatically and good self - closing, convenient for use. 5. Weather resistant to IP66 standard, service temperature range from -30 degree to +75 degree 6. Magnetic reed hook-switch. 7. Robust AC cord, AC power supply from 110V~240V. Built in battery(optional). 8. Lightening protection to ITU-T recommendation K.21 9. Hearing Aid compatible receiver, Noise canceling microphone. 10.Phone integrity wiring to enable the telephone system to check if the telephone unit is still operational. 11. With external Lamp indicator. Red Flash Light.Work voltage: 12V DC/10W or powered by telephone. 12. All of the components including keypad, buzzer, circuit board and cabinet are designed to be multiplayer waterproof and dust - proof which is up to Class III grade.