Introducció
The Radtel RT-752 is a versatile 10W handheld ham radio designed for reliable two-way communication. It features a wide frequency range, 250 programmable channels, dual Push-To-Talk (PTT) buttons, and advanced functions like frequency copying, voice recording, and vibration alerts. Its robust design and long-lasting battery make it suitable for various communication needs.

Figure 1: Radtel RT-752 Ham Radio
Què hi ha a la caixa
Verifiqueu que hi hagi tots els elements en desembalar-los:
- 1 x RT-752 Radio Unit
- 1 x 2600mAh USB-C Battery
- 1 x Desktop Charger with AC Power Adapter
- 1 x cable de càrrega USB-C
- 1 x antena
- 1 x Clip de cinturó
- 1 x corretja de mà
- 1 x Manual d'usuari (aquest document)
Producte acabatview
Familiarize yourself with the components and controls of your RT-752 radio.

Figure 2: RT-752 Key Features - 1.77-inch large LCD, 250 channels, Type-C charging, vibration function, digital encryption, scan/scan add/delete.
Característiques físiques
- Port d'antena: Connects the high-gain antenna for optimal signal transmission and reception.
- Control de potència/volum: Gira per encendre/apagar la ràdio i ajustar el volum.
- Channel/Frequency Knob: Rotates to select channels or adjust frequency.
- Pantalla LCD: 1.77-inch screen displaying frequency, channel, battery status, and other indicators.
- Teclat: Numeric and function keys for input and menu navigation.
- Dual PTT Buttons: Two Push-To-Talk buttons for independent A/B band transmission.
- Preses d'altaveu/micròfon: Standard K-interface for external audio accessories.
- Port de càrrega USB-C: Situat a la bateria per a la càrrega directa.

Figure 3: Microphone K Interface

Figure 4: High-Gain Antenna

Figura 5: Port de càrrega tipus C

Figure 6: Dual PTT Buttons
Configuració
1. Instal·lació i càrrega de la bateria
- Alineeu la bateria amb les ranures de la part posterior de la ràdio i feu-la lliscar cap amunt fins que encaixi al seu lloc.
- Per carregar la bateria:
- Ús del carregador d'escriptori: Connect the AC power adapter to the desktop charger, then place the radio (with battery installed) into the charging cradle. The indicator light will show charging status.
- Ús del cable USB-C: Plug the USB-C charging cable directly into the USB-C port on the battery pack. Connect the other end to a compatible USB power source.
- Ensure the battery is fully charged before first use for optimal performance. A full charge typically takes 3-4 hours.

Figure 7: Charging Options (Type-C and Desktop Charger)
2. Fixació de l'antena
Screw the provided antenna clockwise into the antenna connector on top of the radio until it is finger-tight. Do not overtighten.
3. Clip de cinturó i corretja de mà
Attach the belt clip to the back of the radio using the provided screws. Thread the hand strap through the designated loop on the radio for secure carrying.
Instruccions de funcionament
Encès/apagat i volum
Gireu el botó d'engegada/volum en sentit horari per encendre la ràdio. Continueu girant per augmentar el volum. Gireu en sentit antihorari per disminuir el volum i apagar la ràdio.
Channel/Frequency Selection
Use the Channel/Frequency knob or the keypad to select desired channels or input specific frequencies. The 1.77-inch LCD will display the current selection.
Transmissió i recepció (PTT)
To transmit, press and hold one of the Dual PTT buttons on the side of the radio. Speak clearly into the microphone. Release the PTT button to receive. The RT-752 supports dual PTT for independent operation on two bands (A and B).
Fast Copy Frequency
The radio can quickly copy frequencies from nearby radios. Refer to the detailed menu instructions in the full manual for this feature's specific steps.
Gravació i reproducció de veu
The RT-752 includes a voice recording function to capture important transmissions. Access this feature through the radio's menu system. Recorded audio can be played back directly on the device.

Figure 8: Voice Recording and Playback Function
Alerta de vibració
The radio can be set to vibrate when a signal is received, providing a discreet alert for incoming transmissions, especially useful in noisy environments or when visual/auditory alerts are not preferred.

Figure 9: Vibration Warning upon Call Reception
Air Band Reception
The RT-752 supports AM: 108-136MHz RX for aviation reception, allowing users to monitor air traffic communications.

Figure 10: Aviation Reception Capability
Manteniment
Neteja
Netegeu la ràdio amb un suau, damp drap. No utilitzeu productes químics agressius ni netejadors abrasius. Assegureu-vos que tots els ports estiguin secs abans de carregar o connectar accessoris.
Cura de la bateria
Per allargar la durada de la bateria, eviteu descarregar-la completament amb freqüència. Guardeu la ràdio i la bateria en un lloc fresc i sec quan no les utilitzeu durant períodes prolongats. Torneu a carregar la bateria com a mínim un cop cada tres mesos si l'heu guardada.

Figure 11: Long Lasting Battery for Extended Standby
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La ràdio no s'encén. | La bateria no està instal·lada correctament o està descarregada. | Assegureu-vos que la bateria estigui correctament col·locada. Carregueu la bateria completament. |
| No es pot transmetre ni rebre. | Freqüència/canal incorrecte, antena no connectada o fora de l'abast. | Verifiqueu la configuració de freqüència/canal. Assegureu-vos que l'antena estigui ben connectada. Acosteu-vos a l'altra ràdio. |
| Mala qualitat d'àudio. | Low battery, weak signal, or interference. | Charge battery. Adjust antenna position. Move away from sources of interference. |
| Vibration alert not working. | Vibration function is disabled in settings. | Check radio settings to ensure vibration alert is enabled. |
Especificacions
- Model: RT-752
- Potència de sortida: 10W
- Canals: 250
- Interval de freqüència:
- Receiver (RX): 18-1000MHz
- Aviation Band (AM RX): 108-136MHz
- Transmit/Receive (TX/RX): 144-148MHz / 420-450MHz
- Bateria: Ió de liti de 2600 mAh (inclosa)
- Càrrega: USB-C and Desktop Charger
- Visualització: 1.77-inch Large LCD
- Característiques especials: Dual PTT, Fast Copy Frequency, Voice Recording, Vibration Alert, Digital Encryption, Scan Function
- Dimensions: Aproximadament 8.19 x 5.94 x 2.8 cm (paquet)
- Pes: Approximately 1.28 pounds (Item)
- Nivell de resistència a l'aigua: Resistent a l'aigua

Figure 12: 10W Power for Ultra Long Distance Communication
Garantia i Suport
The Radtel RT-752 comes with a 1 anys de garantia from the date of purchase, covering manufacturing defects. This warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
For technical support, warranty claims, or further assistance, please contact Radtel customer service through the retailer where the product was purchased or visit the official Radtel weblloc per obtenir informació de contacte.
Fabricant: Xiamen Radtel Electronics Co.,Ltd





