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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
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