1. Introduction
This manual provides detailed instructions for the proper use and maintenance of your Retevis MateTalk C63 professional walkie-talkie. Please read this manual thoroughly before operating the device to ensure optimal performance and safety.
2. Package Contents
Verify that all items are present in your package:
- MateTalk C63 Walkie-Talkie (x4)
- Over-ear Earpieces (x4)
- Lanyards (x4)
- Charging Stations (x4)
- Type-C Charging Cables (x4)
- Lithium Batteries (x4)
- Belt Clips (x4)
- Instruction Manual (x1)
- Antennas (x4)

Figure 2.1: Included components of the Retevis MateTalk C63 package.
3. Product Overview
The Retevis MateTalk C63 is a professional walkie-talkie designed for efficient communication in various work environments. It features a slim design, a 1.77-inch LCD screen, and robust functionality.

Figure 3.1: Slim and aesthetic design of the MateTalk C63.

Figure 3.2: 1.77-inch LCD screen for clear information display.
4. Setup
4.1 Battery Installation and Charging
- Ensure the walkie-talkie is powered off.
- Align the battery with the compartment on the back of the radio and press firmly until it clicks into place.
- Place the walkie-talkie into the charging station. Connect the Type-C charging cable to the charging station and a power source.
- The charging indicator light will show the charging status. A full charge typically takes several hours.

Figure 4.1: Charging the MateTalk C63 walkie-talkie.
4.2 Attaching Accessories
- Antenna: Screw the antenna clockwise into the connector on top of the radio until secure.
- Belt Clip: Attach the belt clip to the designated slot on the back of the radio.
- Earpiece: Plug the earpiece into the audio jack on the side of the radio.
4.3 Quick Duplication
The MateTalk C63 supports quick duplication of settings across multiple devices. This feature simplifies device management and ensures consistent communication parameters, reducing setup time for large deployments. Refer to the advanced settings menu for duplication options.
5. Operating Instructions
5.1 Power On/Off and Volume
- Power On: Rotate the Power/Volume knob clockwise until you hear a click.
- Power Off: Rotate the Power/Volume knob counter-clockwise until you hear a click.
- Volume Adjustment: Rotate the Power/Volume knob to increase or decrease the volume.
5.2 Channel Selection
Use the Channel Selector knob or the up/down buttons on the keypad to select your desired channel. Ensure all radios in your group are on the same channel for communication.
5.3 Making a Call (PTT)
To transmit, press and hold the Push-To-Talk (PTT) button on the side of the radio. Speak clearly into the microphone. Release the PTT button to listen for a response.
5.4 Call Modes
The MateTalk C63 offers three distinct call modes:
- Individual Call: For private, one-on-one communication.
- Group Call: For communicating with a specific group of radios.
- All Call: For broadcasting messages to all radios within range.
Select the appropriate call mode via the menu options on the LCD screen.

Figure 5.1: Call mode selection on the LCD screen.
5.5 SMS Function
The SMS function allows for discreet text-based communication. Navigate to the SMS menu on the LCD screen to compose and send messages. This is useful for sending detailed instructions or confirmations without voice disruption.
5.6 Vibration Alert
Enable the vibration alert feature in the settings menu to receive incoming calls or messages discreetly. This ensures you do not miss important communications in noisy environments or when silence is required.
5.7 Work Order Management System
The MateTalk C63 integrates a work order ticketing system for streamlined task management. This system allows for reporting issues, scheduling repairs, and tracking task completion.
- Create Ticket: Initiate a new work order via the radio's menu.
- Dispatch: Assign the ticket to a specific individual or group.
- Receive Ticket: The assigned radio receives an SMS notification with the new ticket details.
- Accept/Start Task: The recipient accepts the ticket and begins work.
- Complete Task: Mark the ticket as complete through the radio interface.
- Confirmation: The dispatcher receives confirmation of task completion.

Figure 5.2: 5-step process for Work Order Management.
5.8 Dual Band and Dual Standby
This feature allows the radio to monitor two different frequency bands simultaneously. This ensures comprehensive coverage and enables quick response to communications on either band without manual switching.
5.9 Earpiece Usage
For hands-free operation and enhanced privacy, use the included over-ear earpieces. The earpiece typically includes a PTT button for convenient transmission.

Figure 5.3: Using the earpiece for hands-free communication.
6. Maintenance
6.1 Battery Care
- Charge the battery fully before first use.
- Avoid overcharging or completely draining the battery to prolong its lifespan.
- Store batteries in a cool, dry place when not in use.

Figure 6.1: The 2200 mAh battery ensures extended operation.
6.2 Cleaning
- Wipe the radio's surface with a soft, damp cloth.
- Do not use harsh chemicals or abrasive cleaners.
- Ensure the radio is dry before use or charging.
6.3 Water Resistance
The MateTalk C63 has an International Protection Rating of IP67. This means it is dust-tight and protected against temporary immersion in water up to 1 meter for 30 minutes. While robust, avoid prolonged submersion or exposure to high-pressure water jets.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Radio does not power on | Low or dead battery; improperly installed battery | Charge the battery; ensure battery is correctly installed. |
| Cannot transmit or receive | Incorrect channel; out of range; antenna not attached | Verify channel settings; move closer to other radios; ensure antenna is securely attached. |
| Poor audio quality | Low battery; interference; microphone/speaker obstruction | Charge battery; move away from sources of interference; check for obstructions. |
| Vibration alert not working | Feature disabled in settings | Enable vibration alert in the radio's menu. |
| Work order tickets not received | Radio out of range; incorrect recipient selected | Ensure radio is within range; verify the correct recipient for the ticket. |
8. Specifications
- Model Number: MateTalk C63
- Brand: Retevis
- Color: Blue
- Number of Channels: 16
- Voltage: 7.4 Volts (DC)
- Battery: 4 x 12V Lithium (included)
- Average Battery Life: 17 hours (continuous use)
- Item Weight: 2048 Grams
- Sound Level: 40 Decibels
- Temperature Range: -20°C to +60°C
- International Protection Rating: IP67 (Dust-tight, protected against temporary immersion in water)
- Special Features: 3 call modes (individual, group, all), SMS function, Vibration alert, Work order ticketing system, 1.77-inch LCD screen, Dual Band, Dual Standby
- Compatible Devices: Retevis radios on the same band/channel, standard accessories (headsets, earpieces, external antennas with compatible ports).
- Country of Origin: China

Figure 8.1: Extended range capabilities of the MateTalk C63.
9. Warranty and Support
9.1 Warranty Information
Retevis offers a 2-year warranty for the radio body and a 1-year warranty for accessories. Additionally, a 30-day no-reason return policy is provided.
9.2 Post-Warranty Service
Beyond the warranty period, maintenance services are available. Buyers are responsible for any associated costs.
9.3 Customer Support
For any questions, issues, or support needs, please contact Retevis customer service directly on Amazon. You can expect a response within 12 hours.