Dual Modes Multifunctional BT Radio Telescoping Antenna RDS Data Display Radio Type-C Charging for Bluetooth-Compatible Speakers

Good luck with your favorite purchases Dual Modes RDS Data Display Radio 2500mAh Hand-Held Radio Receiver ESP138 ESP32 SI4732 for Bluetooth-Compatible Speakers Features:

1.Dual System Reception: Featuring a portable radio receiver, 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 display 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 receiver 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 receiver 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 touchscreen, 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 touchscreen (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 Radio 1 x TYPE-C Charging Cable