1. Introdución
This manual provides detailed instructions for the proper use, setup, and maintenance of your BTECH UV-5X3 Tri-Band Radio. Designed for amateur radio enthusiasts, this high-power handheld radio offers versatile communication across VHF, 1.25M, and UHF bands, featuring convenient USB-C charging and customizable functions.
2. Produto rematadoview
The BTECH UV-5X3 is a robust tri-band radio equipped with advanced features for tailored communication. Its comprehensive design ensures reliability and ease of use.
Características principais:
- Tri-Band Capability: Operates on VHF (136-174MHz), 1.25M (220-225MHz), and UHF (400-520MHz) bands.
- Carga USB-C: Conveniently charge the 1500mAh battery using any standard USB-C cable.
- Advanced Display Sync: Shows channel name and frequency simultaneously for improved usability.
- Flexible Channel Management: Add and remove channels from scanning lists and scan frequency ranges directly from the radio.
- Funcións remotas: Includes Stun, Kill, Revive, Inspect, and Monitor capabilities.
- Compatibilidade cara atrás: Compatible with UV-5R and BF-F8HP batteries and accessories.
Contido do paquete:
Ao desembalar, comproba que estean presentes todos os elementos que se indican a continuación:
- UV-5X3 Radio Unit
- USB-C 1500mAh Battery
- V-85 Dual Band Antenna
- 220MHz Single Band Antenna
- CH-5 Charger
- CH-5 110V Adapter
- Kit de auriculares
- Correa de pulso
- Clip para cinto
- Manual de usuario (este documento)

Figure 2.1: BTECH UV-5X3 Package Contents
This image displays all components included with your BTECH UV-5X3 radio: the radio unit, the BL-5 USB-C battery, the V-85 dual-band antenna, the 220MHz single-band antenna, the CH-5 charger with its 110V adapter, an earpiece kit, a wrist strap, and a belt clip.
3. Configuración
3.1 Instalación e carga da batería
The UV-5X3 uses a BL-5 USB-C 1500mAh battery. Ensure the battery is fully charged before first use.
- Aliñe a batería coas ranuras da parte traseira da radio.
- Deslice a batería cara arriba ata que encaixe firmemente no seu lugar.
- To charge, connect a USB-C cable directly to the battery port on the radio, or use the provided CH-5 desktop charger and 110V adapter.
- The charging indicator light will be red while charging and turn green when fully charged.

Figure 3.1: USB-C Charging Indicator
This image illustrates the USB-C charging capability of the UV-5X3 radio. A red light indicates the battery is currently charging, while a green light signifies that the battery is fully charged.
3.2 Instalación de antenas
The UV-5X3 comes with two antennas: a V-85 Dual Band Antenna and a 220MHz Single Band Antenna. Select the appropriate antenna for your operating frequency.
- Atornille a antena desexada no sentido das agullas do reloxo ao conector da antena, situado na parte superior da radio, ata que estea apertada cos dedos. Non a aperte demasiado.

Figure 3.2: 220 MHz Single Band Antenna
This image shows the BTECH UV-5X3 radio with the 220 MHz single band antenna installed, highlighting its compatibility with the 1.25M frequency band.
4. Instrucións de funcionamento
4.1 Acendido/apagado e volume
- To power on, rotate the volume knob clockwise.
- To power off, rotate the volume knob counter-clockwise until it clicks.
- Axuste o volume xirando o mesmo botón.
4.2 Bandas de frecuencia
The UV-5X3 supports three distinct frequency bands:
- VHF: Very High Frequency (136-174MHz)
- 1.25M: 220MHz band (220-225MHz)
- UHF: Ultra High Frequency (400-520MHz)
Use the 'BAND' button to cycle through the available frequency bands.

Figure 4.1: Tri-Band Operation
This image highlights the tri-band capabilities of the BTECH UV-5X3 radio, showing its ability to operate on VHF, 1.25M, and UHF frequencies.
Video 4.1: BTECH UV-5X3 Tri-Band Radio Overview
This video provides a visual demonstration of the BTECH UV-5X3 Tri-Band Radio, showcasing its multi-band operation (VHF, 1.25M, UHF) and various advanced features such as Display Sync and channel modification capabilities.
4.3 Display Sync
The Display Sync feature allows the radio to show both a channel's name and its frequency simultaneously, enhancing readability and operational efficiency.
4.4 Xestión de canles
The UV-5X3 supports 128 programmable memory channels, offering extensive customization for your communication needs.
- Canles de programación: Channels can be programmed and named for easy identification.
- Modos de dixitalización: Add or remove channels from the scanning list directly from the radio without needing a computer. You can also scan specific frequency ranges in VFO mode.

Figure 4.2: 128 Programmable Memory Channels
This image highlights the BTECH UV-5X3's capacity for 128 programmable memory channels, allowing users to store and quickly access a wide range of frequencies.
4.5 Funcións avanzadas
- CTCSS and DCS Tones: Modify Continuous Tone-Coded Squelch System (CTCSS) and Digital-Coded Squelch (DCS) tones on the fly for stored channels.
- Axuste do nivel de potencia: Adjust the saved power level (High/Low) for stored channels directly from the radio.
- Funcións remotas: The radio supports remote functions such as Stun, Kill, Revive, Inspect, and Monitor, providing enhanced control capabilities.
5. Mantemento
5.1 Limpeza
Regularly clean the radio's exterior with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners. Ensure the USB-C port and antenna connector are free of dust and debris.
5.2 Coidado coa batería
Para maximizar a duración da batería:
- Evite descargar completamente a batería con frecuencia.
- Garde a radio e a batería nun lugar fresco e seco cando non as use.
- Se garda a batería durante períodos prolongados, cargue a batería ata aproximadamente o 50 % da súa capacidade.
6 Solución de problemas
If you encounter issues with your BTECH UV-5X3 radio, please refer to the following common troubleshooting steps:
- Sen enerxía: Ensure the battery is properly installed and fully charged. Check the volume knob is turned on.
- Sen recepción/transmisión: Verify the antenna is securely attached. Check frequency settings and ensure you are on an active channel or frequency. Confirm power level settings.
- Mala calidade de audio: Adjust the volume. Check the earpiece connection if in use.
- Problemas de visualización: If the display is dim or unresponsive, try recharging the battery.
For more complex issues, consult the comprehensive user manual or contact BTECH customer support.
7. Especificacións
Detailed technical specifications for the BTECH UV-5X3 Tri-Band Radio:
| Característica | Especificación |
|---|---|
| Número de modelo | UV-5X3 |
| Rango de frecuencias | VHF (136-174MHz), 1.25M (220-225MHz), UHF (400-520MHz) |
| Número de canles | 128 |
| Batería | USB-C 1500mAh Rechargeable |
| Dimensións (H x W x D) | 4.33 x 2.28 x 1.26 polgadas (110 x 58 x 32 mm) |
| Peso do elemento | 8 onzas (227 gramos) |
| Nivel de resistencia á auga | Impermeable IP54 |
| Tecnoloxía de sintonizador | Dixital |
| Voltage | 5 voltios (DC) |
| Cor | Negro |
| Fabricante | BaoFeng |
| País de Orixe | China |

Figura 7.1: Clasificación de impermeabilidade IP54
This image demonstrates the BTECH UV-5X3 radio's IP54 waterproof rating, indicating its resistance to splashes and dust.
8. Garantía e soporte
BTECH is committed to providing high-quality radio products and exceptional customer service. Your UV-5X3 radio is backed by a comprehensive USA warranty.
For technical assistance, warranty claims, or any inquiries, please contact BTECH's USA-based support team. Refer to the official BTECH websitio web ou a embalaxe do produto para obter a información de contacto máis actualizada.