
Package Details
- 1 x Retevis RT-9908 Two-way Window Intercom
- 1 x Retevis RT-9908 External Speaker
- 1 x Charger
- 1 x User Manual

- If there is a problem with loud noises,please...
- 1. Increase the distance between the host and the extension.
- 2. It is better to have obstructions between the host and the extension to prevent mutual interference.
- 3. Adjust the volume level: when the volume is too loud, the noise will be generated.
- If there is a problem of microphone or speaker not working/no sound/side not working,please...
- 1. Check whether the connection line is loose;
- 2. Check whether the mute button is on;
- 3. Check whether the volume knob is at the lowest level;
- 4. It is best for customers to speak 20cm away from the microphone, it will be difficult to record the voice if it is too far away

Two-way voice intercom
- The two-way intercom communication technology automatically recognizes and processes the voice signal during the call without any operation.
- Hands-free system for ideal communication both internally and externally.

High power output
- Window intercom built-in high power speakers provide powerful and loud sound.
- High output power means strong sound and clear sound quality, making your work look more professional.

Recording jack
- The host has a 3.5mm recording interface, which can be connected to external recording equipment to meet your different office needs.
- A wireless microphone can be connected to realize the mobile function of the host.

Aluminum alloy
- The window speaker intercom main unit is made of luxurious aluminum alloy, and the streamlined design is durable.
- Built-in microphone for expansion.
- Single wire connection, easy installation.

Volume adjustment
- Drive thru intercom system independent volume control with metallic luster, inner and outer volume knobs can adjust the volume separately.
- There are three buttons on the main unit, two volume adjustment knobs and a power switch. The knobs have small damping, and easy adjustment.

Flexible microphone
- The streamlined design and gooseneck microphone can be rotated 360° at will, it is not easy to break.
- The microphone is sturdy and durable, and the ultra-long stainless steel hose microphone tube can be bent at will without dead ends, which can realize calls at any angle.

![]() Retevis RT-9908 | ![]() Retevis RT-9909 | ![]() Retekess TW104 | ![]() Retekess TW105 | ![]() Retekess TW106 | ![]() Retekess TW103 | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — no data | — | — no data |
| Line length | 1.8m or 70.86 inch | 1.8m or 70.86 inch | 15 m or 590 inch | 2 m or 78.74 inch | 1.8m or 70.86 inch | 2 m or 78.74 inch |
| Material | Aluminum alloy | Aluminum alloy | Aluminum alloy | Aluminum alloy and plastic | Plastic shell | Aluminum alloy and plastic |
| Waterproof | / | IPX5 | / | / | / | / |
| Volume adjustment | ? | ? | ? | ? | ? | ? |
| Support wireless mic | / | ? | / | / | ? | / |


Package Details
- 1 x Retevis RT-9908 Two-way Window Intercom
- 1 x Retevis RT-9908 External Speaker
- 1 x Charger
- 1 x User Manual

- If there is a problem with loud noises,please...
- 1. Increase the distance between the host and the extension.
- 2. It is better to have obstructions between the host and the extension to prevent mutual interference.
- 3. Adjust the volume level: when the volume is too loud, the noise will be generated.
- If there is a problem of microphone or speaker not working/no sound/side not working,please...
- 1. Check whether the connection line is loose;
- 2. Check whether the mute button is on;
- 3. Check whether the volume knob is at the lowest level;
- 4. It is best for customers to speak 20cm away from the microphone, it will be difficult to record the voice if it is too far away

Two-way voice intercom
- The two-way intercom communication technology automatically recognizes and processes the voice signal during the call without any operation.
- Hands-free system for ideal communication both internally and externally.

High power output
- Window intercom built-in high power speakers provide powerful and loud sound.
- High output power means strong sound and clear sound quality, making your work look more professional.

Recording jack
- The host has a 3.5mm recording interface, which can be connected to external recording equipment to meet your different office needs.
- A wireless microphone can be connected to realize the mobile function of the host.

Aluminum alloy
- The window speaker intercom main unit is made of luxurious aluminum alloy, and the streamlined design is durable.
- Built-in microphone for expansion.
- Single wire connection, easy installation.

Volume adjustment
- Drive thru intercom system independent volume control with metallic luster, inner and outer volume knobs can adjust the volume separately.
- There are three buttons on the main unit, two volume adjustment knobs and a power switch. The knobs have small damping, and easy adjustment.

Flexible microphone
- The streamlined design and gooseneck microphone can be rotated 360° at will, it is not easy to break.
- The microphone is sturdy and durable, and the ultra-long stainless steel hose microphone tube can be bent at will without dead ends, which can realize calls at any angle.

![]() Retevis RT-9908 | ![]() Retevis RT-9909 | ![]() Retekess TW104 | ![]() Retekess TW105 | ![]() Retekess TW106 | ![]() Retekess TW103 | |
|---|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — | — |
| Price | — | — | — | — no data | — | — no data |
| Line length | 1.8m or 70.86 inch | 1.8m or 70.86 inch | 15 m or 590 inch | 2 m or 78.74 inch | 1.8m or 70.86 inch | 2 m or 78.74 inch |
| Material | Aluminum alloy | Aluminum alloy | Aluminum alloy | Aluminum alloy and plastic | Plastic shell | Aluminum alloy and plastic |
| Waterproof | / | IPX5 | / | / | / | / |
| Volume adjustment | ? | ? | ? | ? | ? | ? |
| Support wireless mic | / | ? | / | / | ? | / |








































