<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div> <div> <div style="text-align:left;"> </div> <div style="text-align:center;"> <br /> </div> </div> <div style="padding:15px;border:1px solid #AEAEAE;"> <div style="text-align:left;"> Dual Modes RDS Data Display Radio 2500mAh Hand-Held Radio Receiver ESP138 ESP32 SI4732 for Bluetooth-Compatible Speakers<br /> <b>Features:</b><br /> <b>1.Dual System Reception:</b> 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<br /> <b>2.TEF6686 System Support:</b> 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.<br /> <b>3.SI4732 System Features:</b> 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.<br /> <b>4.Bluetooth Dual Mode:</b> 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.<br /> <b>5.Solid Configuration:</b> 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.<br /><br/><br/><span><strong>Specification:</strong></span><br /> <span>Product Overview:<br /> 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:<br /> In TEF6686 mode:<br /> Coverage: FM (65-108MHz) / LW (144-513kHz) / MW (520-1720kHz) / SW (1700-27000kHz). Air Band and SSB are not supported.<br /> In SI4732 mode:<br /> 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).<br /> Supports Air Band (AIR) and Single Sideband (SSB) without the need for additional equipment.<br /> <br /> Warm Tips:<br /> The TEF6686 mode supports open-source firmware upgrades. The SI4732 system firmware is locked and cannot be flashed.<br /> <br /> Parameters:<br /> Controller: ESP32-Wrom-32U<br /> Bluetooth: JL high-performance chip<br /> Screen: 2.4-inch IPS touchscreen (320x240)<br /> Speaker: 40mm full-range speaker<br /> Antenna: Built-in 820mm telescopic antenna<br /> External antenna port: 3.5mm external antenna port<br /> Battery: 3.7V / 2500mAh polymer lithium battery<br /> Port: Type-C (5V/2A charging, supports data upgrades)<br /> Casing Material: Aluminum Alloy<br /> Dimensions: Approximately 127.00 x 61.00 x 24.00mm / 5 x 2.4 x 0.94 inches</span><br /> <br /> <p> <strong>Note:</strong><br /> Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding!<br /> Please allow a 1-2 cm difference in measurements due to manual measuring. </p> <br />&nbsp; </div> <div style="text-align:left;"> </div> </div> <div style="text-align:center;"> <br /> </div> </div> <div style="padding:15px;border:1px solid #AEAEAE;"> <div style="text-align:left;"> 1 x Radio<br /> 1 x TYPE-C Charging Cable<br />&nbsp; </div> <div style="text-align:left;"> &nbsp; </div> </div> <div style="text-align:center;"> <br /> </div> <div style="text-align:left;"> <br /> </div> <div style="text-align:left;padding:15px;border:1px solid #AEAEAE;"> <span> </span> </div> <p style="text-align:left;"> <br /> </p> <p style="text-align:center;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p> <p style="text-align:left;"> <br /> </p></div></div>