Radio portátil con pantalla de datos RDS de doble modo y batería de 2500 mAh, receptor ESP138 ESP32 SI4732 para altavoces compatibles con Bluetooth
- Precio de venta
- $143.62
- Precio habitual
- $205.17
- Ahorras
- $61.55 (30%)
Los precios incluyen el IVA y los aranceles aplicables.
Resumen del producto
Dual Modes RDS Data pantalla Radio 2500mAh Hand-Held Radio receptor ESP138 ESP32 SI4732 for is a placa de desarrollo selected for building connected devices, firmware tests and rapid electronics prototypes. Es adecuado para makers, embedded developers and IoT prototyping teams que necesitan hardware electrónico práctico para trabajar en proyectos de forma fiable.
Ideal para
- building connected devices, firmware tests and rapid electronics prototypes
- Arduino, MicroPython, sensors, displays and expansion modules
- pruebas electrónicas, reparación, prototipado y flujos de trabajo maker
Preguntas frecuentes
¿Para quién es este producto? Está pensado para makers, embedded developers and IoT prototyping teams.
¿Qué debo revisar antes de comprar? Revisa en esta página las opciones del producto, las especificaciones, los accesorios incluidos y los detalles de compatibilidad.

Features:
1.Dual System Reception: Featuring a portátil radio receptor, the ESP138 operates with dual architecture using TEF6686 and ESP32-SI4732 systems. Easily toggle between systems by pressing the power button. Note
2.TEF6686 System Support: With this high sensitivity radio, enjoy FM/LW/MW/SW bands and advanced noise reduction algorithms including CEQ, EMS, iMS, and PACS. Full RDS data pantalla enhances your radio experience with high-fidelity reception.
3.SI4732 System Features: This multifunctional BT radio supports FM, LW, MW, SW, AIR 118-138MHz, and SSB bands, catering to amateur radio enthusiasts. Utilize ATT attenuation, AGC gain control, bandwidth adjustments, and precise SSB tuning.
4.Bluetooth Dual Mode: Connect via Bluetooth-compatible to enjoy broadcasts or transfer audio from the receptor to Bluetooth headphones or speakers. The bluetooth-compatible functionality adds versatility to your listening options.
5.Solid Configuration: Equipped with a 40MM full-range speaker for deep bass and clear treble, this hand-held radio receptor boasts an 820mm telescopic antenna and a 3.5mm external antenna jack for enhanced reception.
Specification:
Product Overview:
The ESP138 is a dual-system radio, utilizing the open-source TEF6686 system and the ESP32-SI4732 system architecture. It integrates the TEF6686 chip with high-fidelity Bluetooth functionality, offering exceptional selectivity and sensitivity. The SI4732 supports both Air Band (AIR) and Single Sideband (SSB), as well as Bluetooth 5.0 dual-mode. Equipped with a 2.4-inch pantalla táctil, numeric keypad, a large-capacity battery, and an aluminum alloy body, it offers both professional reception and portability. Frequency:
In TEF6686 mode:
Coverage: FM (65-108MHz) / LW (144-513kHz) / MW (520-1720kHz) / SW (1700-27000kHz). Air Band and SSB are not supported.
In SI4732 mode:
Coverage: LW (153-500kHz) / MW (520-1710kHz) / SW (1730-30000kHz) / FM (64-108MHz) / SSB (1730-30000kHz) / Air Band (50-200MHz, native support for 118-138MHz).
Supports Air Band (AIR) and Single Sideband (SSB) without the need for additional equipment.
Warm Tips:
The TEF6686 mode supports open-source firmware upgrades. The SI4732 system firmware is locked and cannot be flashed.
Parameters:
Controller: ESP32-Wrom-32U
Bluetooth: JL high-performance chip
Screen: 2.4-inch IPS pantalla táctil (320x240)
Speaker: 40mm full-range speaker
Antenna: Built-in 820mm telescopic antenna
External antenna port: 3.5mm external antenna port
Battery: 3.7V / 2500mAh polymer lithium battery
Port: Type-C (5V/2A charging, supports data upgrades)
Casing Material: Aluminum Alloy
Dimensions: Approximately 127.00 x 61.00 x 24.00mm / 5 x 2.4 x 0.94 inches
Note:
Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding!
Please allow a 1-2 cm difference in measurements due to manual measuring.
Dual Modes RDS Data pantalla Radio 2500mAh Hand-Held Radio receptor ESP138 ESP32 SI4732 for Bluetooth-Compatible Speakers
Features:
1.Dual System Reception: Featuring a portátil radio receptor, the ESP138 operates with dual architecture using TEF6686 and ESP32-SI4732 systems. Easily toggle between systems by pressing the power button. Note
2.TEF6686 System Support: With this high sensitivity radio, enjoy FM/LW/MW/SW bands and advanced noise reduction algorithms including CEQ, EMS, iMS, and PACS. Full RDS data pantalla enhances your radio experience with high-fidelity reception.
3.SI4732 System Features: This multifunctional BT radio supports FM, LW, MW, SW, AIR 118-138MHz, and SSB bands, catering to amateur radio enthusiasts. Utilize ATT attenuation, AGC gain control, bandwidth adjustments, and precise SSB tuning.
4.Bluetooth Dual Mode: Connect via Bluetooth-compatible to enjoy broadcasts or transfer audio from the receptor to Bluetooth headphones or speakers. The bluetooth-compatible functionality adds versatility to your listening options.
5.Solid Configuration: Equipped with a 40MM full-range speaker for deep bass and clear treble, this hand-held radio receptor boasts an 820mm telescopic antenna and a 3.5mm external antenna jack for enhanced reception.
Specification:
Product Overview:
The ESP138 is a dual-system radio, utilizing the open-source TEF6686 system and the ESP32-SI4732 system architecture. It integrates the TEF6686 chip with high-fidelity Bluetooth functionality, offering exceptional selectivity and sensitivity. The SI4732 supports both Air Band (AIR) and Single Sideband (SSB), as well as Bluetooth 5.0 dual-mode. Equipped with a 2.4-inch pantalla táctil, numeric keypad, a large-capacity battery, and an aluminum alloy body, it offers both professional reception and portability. Frequency:
In TEF6686 mode:
Coverage: FM (65-108MHz) / LW (144-513kHz) / MW (520-1720kHz) / SW (1700-27000kHz). Air Band and SSB are not supported.
In SI4732 mode:
Coverage: LW (153-500kHz) / MW (520-1710kHz) / SW (1730-30000kHz) / FM (64-108MHz) / SSB (1730-30000kHz) / Air Band (50-200MHz, native support for 118-138MHz).
Supports Air Band (AIR) and Single Sideband (SSB) without the need for additional equipment.
Warm Tips:
The TEF6686 mode supports open-source firmware upgrades. The SI4732 system firmware is locked and cannot be flashed.
Parameters:
Controller: ESP32-Wrom-32U
Bluetooth: JL high-performance chip
Screen: 2.4-inch IPS pantalla táctil (320x240)
Speaker: 40mm full-range speaker
Antenna: Built-in 820mm telescopic antenna
External antenna port: 3.5mm external antenna port
Battery: 3.7V / 2500mAh polymer lithium battery
Port: Type-C (5V/2A charging, supports data upgrades)
Casing Material: Aluminum Alloy
Dimensions: Approximately 127.00 x 61.00 x 24.00mm / 5 x 2.4 x 0.94 inches
Note:
Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding!
Please allow a 1-2 cm difference in measurements due to manual measuring.
Dual Modes RDS Data pantalla Radio 2500mAh Hand-Held Radio receptor ESP138 ESP32 SI4732 for Bluetooth-Compatible Speakers
Features:
1.Dual System Reception: Featuring a portátil radio receptor, the ESP138 operates with dual architecture using TEF6686 and ESP32-SI4732 systems. Easily toggle between systems by pressing the power button. Note
2.TEF6686 System Support: With this high sensitivity radio, enjoy FM/LW/MW/SW bands and advanced noise reduction algorithms including CEQ, EMS, iMS, and PACS. Full RDS data pantalla enhances your radio experience with high-fidelity reception.
3.SI4732 System Features: This multifunctional BT radio supports FM, LW, MW, SW, AIR 118-138MHz, and SSB bands, catering to amateur radio enthusiasts. Utilize ATT attenuation, AGC gain control, bandwidth adjustments, and precise SSB tuning.
4.Bluetooth Dual Mode: Connect via Bluetooth-compatible to enjoy broadcasts or transfer audio from the receptor to Bluetooth headphones or speakers. The bluetooth-compatible functionality adds versatility to your listening options.
5.Solid Configuration: Equipped with a 40MM full-range speaker for deep bass and clear treble, this hand-held radio receptor boasts an 820mm telescopic antenna and a 3.5mm external antenna jack for enhanced reception.
Specification:
Product Overview:
The ESP138 is a dual-system radio, utilizing the open-source TEF6686 system and the ESP32-SI4732 system architecture. It integrates the TEF6686 chip with high-fidelity Bluetooth functionality, offering exceptional selectivity and sensitivity. The SI4732 supports both Air Band (AIR) and Single Sideband (SSB), as well as Bluetooth 5.0 dual-mode. Equipped with a 2.4-inch pantalla táctil, numeric keypad, a large-capacity battery, and an aluminum alloy body, it offers both professional reception and portability. Frequency:
In TEF6686 mode:
Coverage: FM (65-108MHz) / LW (144-513kHz) / MW (520-1720kHz) / SW (1700-27000kHz). Air Band and SSB are not supported.
In SI4732 mode:
Coverage: LW (153-500kHz) / MW (520-1710kHz) / SW (1730-30000kHz) / FM (64-108MHz) / SSB (1730-30000kHz) / Air Band (50-200MHz, native support for 118-138MHz).
Supports Air Band (AIR) and Single Sideband (SSB) without the need for additional equipment.
Warm Tips:
The TEF6686 mode supports open-source firmware upgrades. The SI4732 system firmware is locked and cannot be flashed.
Parameters:
Controller: ESP32-Wrom-32U
Bluetooth: JL high-performance chip
Screen: 2.4-inch IPS pantalla táctil (320x240)
Speaker: 40mm full-range speaker
Antenna: Built-in 820mm telescopic antenna
External antenna port: 3.5mm external antenna port
Battery: 3.7V / 2500mAh polymer lithium battery
Port: Type-C (5V/2A charging, supports data upgrades)
Casing Material: Aluminum Alloy
Dimensions: Approximately 127.00 x 61.00 x 24.00mm / 5 x 2.4 x 0.94 inches
Note:
Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding!
Please allow a 1-2 cm difference in measurements due to manual measuring.
Dual Modes RDS Data pantalla Radio 2500mAh Hand-Held Radio receptor ESP138 ESP32 SI4732 for Bluetooth-Compatible Speakers
Features:
1.Dual System Reception: Featuring a portátil radio receptor, the ESP138 operates with dual architecture using TEF6686 and ESP32-SI4732 systems. Easily toggle between systems by pressing the power button. Note
2.TEF6686 System Support: With this high sensitivity radio, enjoy FM/LW/MW/SW bands and advanced noise reduction algorithms including CEQ, EMS, iMS, and PACS. Full RDS data pantalla enhances your radio experience with high-fidelity reception.
3.SI4732 System Features: This multifunctional BT radio supports FM, LW, MW, SW, AIR 118-138MHz, and SSB bands, catering to amateur radio enthusiasts. Utilize ATT attenuation, AGC gain control, bandwidth adjustments, and precise SSB tuning.
4.Bluetooth Dual Mode: Connect via Bluetooth-compatible to enjoy broadcasts or transfer audio from the receptor to Bluetooth headphones or speakers. The bluetooth-compatible functionality adds versatility to your listening options.
5.Solid Configuration: Equipped with a 40MM full-range speaker for deep bass and clear treble, this hand-held radio receptor boasts an 820mm telescopic antenna and a 3.5mm external antenna jack for enhanced reception.
Specification:
Product Overview:
The ESP138 is a dual-system radio, utilizing the open-source TEF6686 system and the ESP32-SI4732 system architecture. It integrates the TEF6686 chip with high-fidelity Bluetooth functionality, offering exceptional selectivity and sensitivity. The SI4732 supports both Air Band (AIR) and Single Sideband (SSB), as well as Bluetooth 5.0 dual-mode. Equipped with a 2.4-inch pantalla táctil, numeric keypad, a large-capacity battery, and an aluminum alloy body, it offers both professional reception and portability. Frequency:
In TEF6686 mode:
Coverage: FM (65-108MHz) / LW (144-513kHz) / MW (520-1720kHz) / SW (1700-27000kHz). Air Band and SSB are not supported.
In SI4732 mode:
Coverage: LW (153-500kHz) / MW (520-1710kHz) / SW (1730-30000kHz) / FM (64-108MHz) / SSB (1730-30000kHz) / Air Band (50-200MHz, native support for 118-138MHz).
Supports Air Band (AIR) and Single Sideband (SSB) without the need for additional equipment.
Warm Tips:
The TEF6686 mode supports open-source firmware upgrades. The SI4732 system firmware is locked and cannot be flashed.
Parameters:
Controller: ESP32-Wrom-32U
Bluetooth: JL high-performance chip
Screen: 2.4-inch IPS pantalla táctil (320x240)
Speaker: 40mm full-range speaker
Antenna: Built-in 820mm telescopic antenna
External antenna port: 3.5mm external antenna port
Battery: 3.7V / 2500mAh polymer lithium battery
Port: Type-C (5V/2A charging, supports data upgrades)
Casing Material: Aluminum Alloy
Dimensions: Approximately 127.00 x 61.00 x 24.00mm / 5 x 2.4 x 0.94 inches
Note:
Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding!
Please allow a 1-2 cm difference in measurements due to manual measuring.

1 x TYPE-C Charging Cable
or
1 x Radio
1 x TYPE-C Charging Cable
or
1 x Radio
1 x TYPE-C Charging Cable
or
1 x Radio
1 x TYPE-C Charging Cable








Bulk Orders & Quotes
For bulk quantities, lab purchasing, repair team restocking, project BOMs or repeat sourcing, use the Request a Quote page. Include product links, target quantity, delivery country or region, required timing, invoice needs and any technical notes such as voltage, connector type, frequency range or acceptable alternatives.