音频对讲机 KNZD-29

密封耐恶劣天气IP55

DESCRIPTION 1. Cold-roll steel body, wall mount for easy installation. 2. Waterproof rating IP55 dust proof. 3. Led indicator for incoming calls, support hot-line calling. 4. Weather resistant to IP55 standard, service temperature range from -30 degree to +75 degree. 5. Lightening protection to ITU-T recommendation K.21. 6. Hands free with flat keypad. 7. Telephone line powered for analogue version and POE or DC12V powered for VoIP version. 8. Powder coated in UV stabilized polyester finish. 9. The housing covered with a layer of reflective label for easy identification at night. Optional 10. Application: Tunnel, metro, railway, LRT, speedway, clean room, elevator, power plant, bridge etc.