Elevator wirelss Intercoms are compatible with 99% of the five party walkie talkies on the market. You only need to purchase one set of main unit and one set of extension to achieve unlimited functions. Others no need to be replaced.

Steps:

1. Fix the elevator host intercom and power supply in a suitable position
2. Guide the antenna cable to the outside through a cable duct and fix the antenna in an open outdoor area
3. Connect the antenna to the host intercom and tighten it
4. Finally, connect the power supply to the host intercom

Steps:
1. Fix the infinite extension and power supply in the appropriate position

2. Fix the antenna near the window or in a location with good signal

3. Connect the antenna to the extension and tighten it tightly

4. Extend two spare accompanying cables to the built-in USB plug of the extension, and connect them to the yellow and green wires of the USB plug separately

(Note: If there are multiple elevators in the building sharing the same extension, the extension cable of the side traveling cable needs to be threaded through a pipe)

Steps:
1.Fix the machine room telephone in a suitable position
2.Connect the machine room phone red wire to the USB’s wire
3.Connect the machine room telephone yellow wire to the travelling cable

Steps:
1.Fix the elevator intercom behind the cabin operation panel, align the holes of the speaker 、amplifier and the honeycomb
2.Connect the elevator cabin intercom yellow and green wire with the travelling cable
3.Connect the two orange wires with the alarm button
4.Cover the panel

Steps:
1. Fix the car top and pit intercom in the appropriate position

2. Connect the elevator host intercom yellow and green wire with the travelling cable