30 Day Refund • 3-Year Warranty

Description

Product Overview

Retekess TT137 Full Duplex Wireless Intercom Headset System

The Retekess TT137 is designed for filming crews, event teams, and other small workgroups with up to five users. It supports full duplex communication, so team members can talk and listen at the same time without continuous button pressing.

With replaceable batteries, a 6-slot charger, and 3.5 mm input monitoring support, TT137 helps teams stay connected while managing long working hours and external audio devices more efficiently.

Application Scenarios

See TT137 in Real Working Environments

TT137 is suitable for scenarios where teams need instant, clear, and hands-free communication. The text bubbles below are editable, making it easy to update your application messaging later.

Retekess TT137 wireless full duplex intercom headset system for sports event crew communication
Smooth communication for sports production teams.
Retekess TT137 communication headset system used for stadium crew coordination
Coordinate teams instantly across large venues.
Retekess TT137 wireless intercom headset for warehouse staff communication
Reliable communication for warehouse operations.
Retekess TT137 noise reduction wireless headset for workshop communication
Clear voice pickup in busy work areas.
Retekess TT137 full duplex wireless intercom headset used on a ship deck
Stay connected across open working spaces.
Retekess TT137 wireless communication headset for live concert production crew
Fast backstage coordination during live events.
Retekess TT137 hands free communication headset for medical and technical teamwork
Hands-free coordination for precision teamwork.
Retekess TT137 wireless intercom headset for music event filming and crew communication
Keep mobile teams aligned in real time.
Key Features

Talk and Listen at the Same Time

Up to 5 users can speak and listen simultaneously without continuous push-to-talk operation, helping small teams coordinate more naturally and respond faster during live work.

Stay Connected Across Spread-Out Positions

Stable 2.4GHz wireless transmission supports communication up to 500m / 1640ft in open, unobstructed environments, making it easier to coordinate across wider venues and separated work positions.

Support Long Working Hours with Replaceable Batteries

Each headset provides approximately 24 hours of operating time, and the replaceable battery design helps reduce interruptions during longer work schedules.

Single-Ear Design for Communication and Environmental Awareness

The approximately 188 g single-ear headset balances wearing comfort with practical awareness, allowing users to stay in team communication while keeping one side open to surrounding sound.

Built for Noisy and Multi-Speaker Working Conditions

Noise reduction helps improve voice clarity in busy environments, PTT priority talk helps deliver key instructions more clearly, and the 3.5 mm input supports monitoring of compatible external device audio.

Quick Deployment for Mobile Teams

All headsets are factory paired and ready to work after power-on, with no hub or base station required for setup.

Package List

TT137 Full Duplex Wireless Intercom Headset System Package Includes

Retekess TT137 5 person full duplex wireless intercom headset system package contents

Communication Headset × 5

6-Slot Charger × 1

Power Adapter × 1

Carrying Case × 1

Carrying Pouch × 5

Rechargeable Battery × 5

Foam Earpad × 5

Microphone Windscreen × 5

USB Cable × 1

Warranty Card × 1

Feature Images

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Why Choose RETEKESS

Stable Signal

Easy Operation

Professional Team Use

Retekess provides practical wireless communication solutions for live events, production, industrial coordination, and mobile team operations.

If you need bulk pricing, version confirmation, or a communication solution for your application, contact us for a fast quotation and product recommendation.

Spec

T130P Transmitter T131P Receiver
Carrier Frequency 195–216MHz Carrier Frequency 195–216MHz
Number of Channels 49CH Number of Channels 49CH
Operating Voltage DC 3.7V Operating Voltage DC 3.7V
Transmitter Output Power 18dBm
Audio Input / Microphone Input 3.5mm Audio Input 3.5mm line
Frequency Response Range 50–18000Hz Frequency Response Range 50–18000Hz
Signal-to-Noise Ratio (SNR) 80dB (Typical) Signal-to-Noise Ratio (SNR) 80dB (Typical)
Mirror Image Rejection Ratio ≥ 90dB Mirror Image Rejection Ratio ≥ 90dB
Distortion <0.3% Distortion <0.3%
Effective Working Range 160 meters (open) Effective Working Range 160 meters (open)
Battery Capacity 4200mAh Battery Capacity 1200mAh
Working Hours About 20 hours Working Hours About 36 hours
Transmitter Weight 140g / 0.3lb Receiver Weight 49g / 0.11lb
Size 205 × 60 × 20mm / 8 × 2.3 × 0.7in Size 83 × 42 × 12mm / 3.3 × 1.6 × 0.5in
TT034 Factory Noise Cancelling Headphones
Size 225.5mm × 172mm
Color Black
Material ABS
Weight 316g
Sensitivity 87 ±3dB
Heat Resistance 55℃ ±2℃, 20–25% R.H, 4 hours
Moisture Resistance Test -20℃ ±2℃, 90–95% R.H, 4 hours
T130P Transmitter
Carrier Frequency 195–216MHz
Number of Channels 49CH
Operating Voltage DC 3.7V
Audio Input / Microphone Input 3.5mm
Frequency Response Range 50–18000Hz
Signal-to-Noise Ratio (SNR) 80dB (Typical)
Mirror Image Rejection Ratio ≥ 90dB
Distortion <0.3%
Effective Working Range 160 meters (open)
Battery Capacity 4200mAh
Working Hours About 20 hours
Transmitter Weight 140g / 0.3lb
Size 205 × 60 × 20mm / 8 × 2.3 × 0.7in
T131P Receiver
Carrier Frequency 195–216MHz
Number of Channels 49CH
Operating Voltage DC 3.7V
Audio Input 3.5mm line
Frequency Response Range 50–18000Hz
Signal-to-Noise Ratio (SNR) 80dB (Typical)
Mirror Image Rejection Ratio ≥ 90dB
Distortion <0.3%
Effective Working Range 160 meters (open)
Battery Capacity 1200mAh
Working Hours About 36 hours
Receiver Weight 49g / 0.11lb
Size 83 × 42 × 12mm / 3.3 × 1.6 × 0.5in
TT034 Factory Noise Cancelling Headphones
Size 225.5mm × 172mm
Color Black
Material ABS
Weight 316g
Sensitivity 87 ±3dB
Heat Resistance 55℃ ±2℃, 20–25% R.H, 4 hours
Moisture Resistance Test -20℃ ±2℃, 90–95% R.H, 4 hours

FAQ

Q: What is the warranty policy for this T130P T131P tour guide system?

A: All models of Retekess tour guide systems support 30-day no-reason returns and a 3-year warranty.

Q: I need more receivers, and there is no combination I want here. What should I do?

A: Click to buy more receivers. If you can't find the combination you want on the website, please contact us, and our customer service team will help you within 1 business day.

Q: I need a tour guide system that allows for intercommunication. Any recommendations?

A: You can choose the TT126 and TT129 full-duplex intercom systems. These are upgraded versions of one-way guide systems, allowing for multi-directional interaction. They're perfect for group communication.

Q: Can the receiver talk to the transmitter and other team members?

A: The T131P receiver is designed for one-way listening only and receives audio from the transmitter. For two-way communication where both the transmitter and receivers can interact, choose the TT126 two-way audio guide system, which supports full-duplex communication among all team members.

Q: We have 2 presenters. Can I use 2 T130P transmitters? Will both of their voices be heard by the receiver?

A: This tour guide system does not support two transmitters working in one group. If you want the listener to hear both presenters, we recommend you check out our TT106, TT127, or TT126, which support two transmitters working together.

Q: Will there be a delay in the sound heard?

A: There is almost no delay in communication with this tour guide system, and listeners can receive audio in real time.

Q: Can I use a different microphone with this system?

A: Yes. The T130 Mic handheld microphone is compatible with the T130, T130S, and T130P systems.

Q: Can multiple people talk at the same time?

A: This tour guide system is designed for one speaker at a time. If you need a solution for multiple people speaking simultaneously, we recommend the SVMIC4 wireless microphone.

Q: What components are included in this kit? What is the exact quantity?

A: Click here to find out, or contact customer service directly for information.

Q: Can I purchase the transmitter/receiver/charging case separately?

A: Yes! We offer all components for individual sale. Please visit our Accessories Center page to find the components you need, or contact customer service directly for a separate quote.

Q: What is the warranty policy?

A: We offer a 3-year warranty. Free repairs will be provided during the warranty period.

Q: Do you offer demo testing? How do I apply?

A: Retekess.com offers free demo testing (a deposit is required). Please click Demo Application , and our customer service will contact you within one business day to arrange shipping.

Q: How do I customize the quantity (e.g., 99 transmitters + 9999 receivers)?

A: Retekess.com supports customization of any quantity. Please click here to tell us your desired model and the specific quantity needed. Large orders may also receive a surprise additional discount! 🎁

Q: Can you customize my company logo? What are the logo size specifications? What is the minimum order quantity for customization?

A: Retekess.com supports tour guide system logo customization. However, the specifications and minimum order quantity may vary depending on the product model. Please click here to tell us the product model you wish to purchase so we can provide you with detailed information one-on-one.

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Documents

Tour Guide System
TT137 Manual
1.17 MB pdf
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