Introduction
The QYT KT-9900 / KT-WP12 is a compact and powerful mini car mobile radio station designed for reliable long-range communication. Featuring dual-band VHF (136-174MHz) and UHF (400-480MHz) capabilities with up to 25 watts of output power, this radio is equipped with 200 programmable channels and a range of advanced functions to meet diverse communication needs. Its robust polycarbonate plastic construction ensures durability for mobile use.
Package Contents
Please check the box for the following items:
- 1x Mobile Radio Unit
- 1x Microphone
- 1x Power Cable
- 1x Mounting Bracket
- 1x Screw and Fuse Set
- 1x User Manual
Main Features
The QYT KT-9900 / KT-WP12 offers a comprehensive set of features for effective communication:
- PC Programmable: Allows for spread spectrum programming via PC.
- Dual Band Operation: Supports both VHF (136-174MHz) and UHF (400-480MHz) frequencies.
- 200 Channels: Ample storage for various communication channels.
- External Speaker/PTT: For convenient operation.
- DTMF Function: Dual-Tone Multi-Frequency signaling.
- 2-Tone & 5-Tone: Advanced signaling capabilities.
- Patrol Function: For monitoring multiple channels.
- Monitoring Function: To listen to active channels.
- Telehalo Function: Specific communication feature.
- Remote Death Function: For disabling a lost or stolen radio remotely.
- Boot Function: Specific startup feature.
- Alarm Function: For emergency signaling.
- Call Key: Dedicated button for initiating calls.
- Long Distance Communication: Optimized for extended range.
- 25W Power Output: High power for clear and strong transmissions.
Setup Instructions
- Mounting the Radio: Secure the mobile radio unit in a suitable location within your vehicle using the provided mounting bracket and screws. Ensure it is easily accessible but does not obstruct driving.
- Power Connection: Connect the power cable to the radio's power input. Route the other end of the power cable directly to your vehicle's 12V power source (e.g., battery) ensuring proper polarity (red to positive, black to negative) and using the included fuse for protection.
- Antenna Connection: Connect a suitable dual-band mobile antenna (not included) to the antenna connector on the rear of the radio unit. Ensure the connection is tight and secure.
- Microphone Connection: Plug the microphone cable into the designated port on the front of the radio unit.
- External Speaker (Optional): If using an external speaker (not included), connect it to the appropriate audio output port on the radio.
- Initial Power On: Once all connections are secure, turn on your vehicle's ignition and then power on the radio.
- Programming: For advanced channel programming and feature customization, connect the radio to a PC using a programming cable (sold separately) and the appropriate software. Refer to the software's instructions for detailed programming steps.
Operating Instructions
- Power On/Off: Use the dedicated power button or knob to turn the radio on or off.
- Volume Adjustment: Adjust the volume using the control knob on the radio or microphone.
- Channel Selection: Use the up/down buttons or keypad on the microphone to select desired channels.
- Transmit (PTT): Press and hold the Push-To-Talk (PTT) button on the microphone to transmit. Release to receive.
- Frequency/Mode Selection: Use the menu and function buttons to switch between VHF/UHF bands, adjust frequency, and select operating modes (e.g., broadband/narrowband).
- DTMF/Tone Functions: Utilize the microphone keypad for DTMF, 2-tone, or 5-tone signaling as programmed.
- Patrol/Monitoring: Activate the patrol function to scan through programmed channels or the monitoring function to listen to a specific channel without squelch.
- Alarm Function: In emergencies, activate the alarm function via the designated button or menu option.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the radio's exterior. Avoid using harsh chemicals or solvents.
- Environmental Protection: Keep the radio away from direct sunlight, excessive heat, dust, and moisture. This unit is not waterproof.
- Connection Checks: Periodically check all cable connections (power, antenna, microphone) to ensure they are secure and free from damage.
- Firmware Updates: Check the manufacturer's website for any available firmware updates to ensure optimal performance.
Troubleshooting
- No Power:
- Check the power cable connection to both the radio and the vehicle's power source.
- Verify the vehicle's 12V power source is active.
- Inspect the fuse in the power cable; replace if blown.
- Cannot Transmit or Receive:
- Ensure the antenna is properly connected.
- Verify you are on the correct frequency/channel.
- Check the squelch level; it might be set too high.
- Confirm the microphone is securely plugged in.
- Poor Audio Quality:
- Adjust the volume level.
- Check microphone and speaker connections.
- Ensure the antenna is correctly tuned for the operating frequency.
- Radio Not Responding:
- Try turning the radio off and on again.
- If issues persist, a factory reset might be necessary (refer to advanced programming instructions).
Specifications
| Category | Parameter | Value |
|---|---|---|
| General | Brand Name | RONGYIN |
| Model Number | KT-9900 / KT-WP12 | |
| Walkie Talkie Type | Car Mobile Radio | |
| Material | Strong Polycarbonate Plastic | |
| Dimensions | 98x35x118mm | |
| Net Weight | 930G | |
| Operating Temperature | -20℃ to 60℃ | |
| Certification | CE, Dot, EAC, EPA, FCC, GMP, RoHS, TGA, UL, KC, pse, weee | |
| Display | Yes | |
| Waterproof / Water-Resistant | No | |
| RF Performance | Frequency Range | VHF: 136-174MHz, UHF: 400-480MHz |
| Storage Channels | 200 | |
| Channel Spacing | 25KHz/20KHz/12.5KHz | |
| Frequency Stability | ±2.5ppm | |
| Output | Output Power | 10W-25W (VHF/UHF) |
| Maximum Range | 10km-50km | |
| Receiving | Sensitivity (12db SINAD) | Broadband ≤0.25μν, Narrowband ≤0.35μν |
| Adjacent Channel Selectivity | Broadband ≥70db, Narrowband ≥60db | |
| Intermodulation | Broadband ≥65db, Narrowband ≥60db | |
| Spurious Response | Broadband ≥70db, Narrowband ≥70db | |
| Audio Response | Broadband +1~-3db(0.3~3KHz), Narrowband +1~-3db(0.3~2.55KHz) | |
| Signal to Noise Ratio | Broadband ≥45db, Narrowband ≥40db | |
| Audio Distortion | ≤5% | |
| Transmitting | Output Power | 25W/20W (VHF/UHF) |
| System | Broadband 16KΦF3E, Narrowband 11KΦF3E | |
| Adjacent Channel Power | Broadband ≥70db, Narrowband ≥60db | |
| Signal to Noise Ratio | Broadband ≥40db, Narrowband ≥36db | |
| Parasitic and Harmonic Waves | Broadband ≥60db, Narrowband ≥60db | |
| Audio Response | Broadband +1~-3db(0.3~3KHz), Narrowband +1~-3db(0.3~2.55KHz) | |
| Audio Distortion | ≤5% |
User Tips
- Channel Programming: For optimal use, it is highly recommended to program your desired frequencies and channels using the PC programming software. This allows for customization of features like DTMF, 2-tone, and 5-tone signaling.
- Antenna Matching: Always use an antenna that is properly matched to the operating frequency range (VHF/UHF) to ensure maximum transmission efficiency and prevent damage to the radio.
- Power Source: Ensure a stable 12V power supply from your vehicle to prevent performance issues or damage to the unit.
Warranty and Support
RONGYIN provides the following warranty for the KT-9900 / KT-WP12:
- Mobile Radio Unit: One (1) Year Warranty.
- Accessories (Microphone, Power Cable, Mounting Bracket, etc.): Three (3) Months Warranty.
For any warranty claims, technical support, or assistance, please contact RONGYIN customer service. It is recommended to contact support before returning any product to ensure proper procedures are followed and the correct shipping address is provided.
