1. Introducció
The BaoFeng BF-1904 is a high-power, portable UHF professional walkie-talkie designed for reliable long-range communication. Featuring a robust build, a large capacity battery, and convenient USB-C charging, this device is suitable for various professional and recreational uses. This manual provides essential information for the safe and effective operation of your BF-1904.

2. Contingut del paquet
Please check the package contents carefully upon unpacking. If any items are missing or damaged, contact your retailer.
- 1 x Radio Unit (BF-1904)
- 1 x antena
- 1 x Battery (Li-ion, 4800mAh)
- 1 x Li-ion Charger (with appropriate plug: EU/US/UK/AU)
- 1 x Clip de cinturó
- 1 x corretja de mà
- 1 x English User's Manual
- 1 x cable tipus C
Note: Other accessories may vary based on the specific package chosen.

3. Producte acabatview
Familiarize yourself with the parts of your BF-1904 walkie-talkie:

1. Perilla de canal
2. Power Volume Switch
3. Indicador LED
4. PTT (Push-To-Talk) Button
5. Radio (Main Unit)
6. Presa d'auriculars/micròfon
7. Ponent
8. Micròfon
4. Configuració inicial
- Instal·la la bateria: Alineeu la bateria amb les ranures de la part posterior de la ràdio i feu-la lliscar fins que faci clic.
- Instal·lar antena: Enrosqueu l'antena en sentit horari al connector de la part superior de la ràdio fins que quedi ben ajustada amb els dits. No l'estrengueu massa.
- Càrrega de la bateria:
- Càrrega base: Place the radio with the battery installed into the charging base. Ensure the charging indicator light on the base illuminates (typically red for charging, green for fully charged).
- Càrrega USB-C: Connect the provided Type-C cable to the USB-C port on the radio and to a compatible USB power source (e.g., wall adapter, power bank). The radio's LED indicator will show charging status.
Note: Fully charge the battery before first use. The LED indicator will typically change color when charging is complete.
5. Funcionament
- Encès/apagat i ajust de volum: Rotate the 'Power Volume Switch' knob clockwise to turn on the radio. Continue rotating clockwise to increase the volume. Rotate counter-clockwise to decrease volume and turn off the radio.
- Selecció de canals: Rotate the 'Channel Knob' to select one of the 16 available channels. Ensure all parties are on the same channel for communication.
- Transmitting (PTT): To transmit, press and hold the 'PTT' (Push-To-Talk) button on the side of the radio. Speak clearly into the microphone, holding the radio approximately 2-5 cm from your mouth. Release the PTT button to listen.
- Recepció: When not transmitting, the radio is in receive mode. The 'LED Indicator' may light up when a signal is received.
6. Manteniment
- Neteja: Utilitzeu un suau, damp cloth to clean the radio's exterior. Do not use harsh chemicals, abrasive cleaners, or solvents, as these can damage the casing and electronics.
- Cura de la bateria: To prolong battery life, avoid overcharging or completely draining the battery regularly. Store the battery in a cool, dry place when not in use for extended periods.
- Resistència a l'aigua: The BF-1904 has an IP45 rating, meaning it is protected against dust and low-pressure water jets from any direction. It is not designed for submersion in water. Avoid exposing it to heavy rain or direct water spray.
- Emmagatzematge: Store the radio in a dry, dust-free environment away from extreme temperatures (hot or cold) and direct sunlight.

7. Solució De Problemes
If you encounter issues with your BF-1904, refer to the following common problems and solutions:
- Sense energia:
- Comproveu si la bateria està correctament instal·lada i completament carregada.
- Ensure the Power Volume Switch is rotated clockwise to turn on the radio.
- No es pot transmetre ni rebre:
- Verifiqueu que l'antena estigui ben connectada.
- Assegureu-vos que esteu al mateix canal que l'altra part.
- Comproveu si el nivell de bateria és suficient.
- Confirm the PTT button is being pressed correctly during transmission and released to receive.
- Mala qualitat d'àudio:
- Comproveu la connexió de l’antena.
- Ensure you are within effective communication range.
- Ajusteu el nivell de volum.
- Check for obstructions between radios (e.g., large buildings, dense foliage).
- Abast de comunicació curt:
- Ensure the antenna is correctly installed and undamaged.
- Check for environmental obstructions that might block signals.
- Verify the battery is fully charged, as low power can reduce range.
8. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | BF-1904 |
| Nom de marca | BAOFENG |
| Interval de freqüència | UHF 400-520Mhz |
| Potència de sortida | 12W (10W-25W range) |
| Capacitat de la bateria | 4800 mAh |
| Voltage | DC 7.4V |
| Temperatura de funcionament | -20 ℃ a + 60 ℃ |
| Canals d'emmagatzematge | 16 canals |
| Impermeable / Resistent a l'aigua | IP45 |
| Material | Strong Polycarbonate Plastic |
| Dimensions | 25.50 x 21.00 x 6.00 cm (dimensions aproximades del paquet) |
| Pes net | 220G |
| Estabilitat de freqüència | ± 2.5 ppm |
| Sortida d'àudio | ≥400MW (1000mW listed in properties) |
| Impedància de l'antena | 50 ohms |
| Manera de càrrega | Base Charging / USB Type-C Charging |
| Interval màxim | 10km-50km (advertised), typical usage 2-15km |
| Modulació | Frequency modulation (F3E) |
| Desviació màxima de freqüència | ≤ ± 5 KHz |
| Residual Wave Radiation | <-60 dB |
| Corrent d'emissió | ≤2.6A |
| Sensibilitat de recepció | <0.15μV |
| Certificacions | CE, Dot, EAC, EPA, FCC, GMP, RoHS, TGA, UL, KC, pse, weee |
9. Consells d'usuari
- Understanding Range: The effective communication range of a walkie-talkie can vary significantly based on terrain, obstructions, and atmospheric conditions. While the BF-1904 is capable of long-range communication (up to 50km in ideal conditions), expect typical operational ranges of 2-15km in most environments.
- Optimització de la bateria: To maximize battery life during extended use, consider carrying a power bank for USB-C charging, especially in remote areas.
- Cura de l'antena: A properly functioning antenna is crucial for optimal performance. Avoid bending or damaging the antenna.
10. Garantia i Suport
Per obtenir informació sobre la garantia, assistència tècnica o consultes sobre el servei tècnic, consulteu la documentació proporcionada en el moment de la compra o poseu-vos en contacte amb el vostre distribuïdor. Conserveu el comprovant de compra per a qualsevol reclamació de garantia.





