ESP138 TEF6686 ESP32 SI4732 Portable Radio Receiver Full Band FM AM SSB Aviation Band Receiver Bluetooth Stereo Handheld Radio

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