TEF6638 DSP Full Band Radio Digital Tuning Radio YL-550 FM/LW/MW/SW DSP Receiver

Description: Description HamGeek TEF6638 DSP Full Band Radio Digital Tuning Radio YL-550 FM/LW/MW/SW DSP Receiver with Screen Features: - The radiating cone diaphragm cavity loudspeaker is used to make up for the poor sound quality of the previous radio. Thus, its sound quality has been significantly improved. - HamGeek TEF6638 all band radio is a new product after SAF7751 DSP miniature tuner. It is centered on TEF6638 chip. Its display part adopts LCD12864 scheme (red, green and blue) and Chinese menu. The radio receiver is very versatile, but it is very easy to operate. You can use it without reading the instructions. - The product size is about 150mm x 100mm x 25mm/5.9" x 3.9" x 1". With an aluminum back shell and a PCB panel. It brings a good experience thanks to its beautiful appearance and reasonable layout. It is designed with 4 layers of PCB. We strictly refer to the official information for the wiring of TEF6638 main chip. Power supply part is made of ultra-low noise LDO, which is filtered by tantalum capacitors. At the same time, various methods are used to suppress the interference caused by the LCD12864 screen. The radio comes with a charging module and a battery protection circuitry. It is powered by two 18650 batteries connected in parallel. - Performance: It is said that there is almost no difference between TEF6638 and TEF6686 in tuning performance. However, TEF6638 has an additional audio DSP core, enabling powerful audio processing capabilities. It features advanced EQ function with a three-band equalizer for treble, medium and bass, and a better signal-to-noise ratio, ensuring excellent sound quality. - Sleep: Off, 10 minutes, 20 minutes, 30 minutes, 40 minutes, 60 minutes and 90 minutes. - Tuning types: Manual mode, automatic tuning, station memory, channel scanning, random channel, and search & save. - Band selection: LW, MW, SW and FM. Main Performance and Indicators: 1. Frequency reception and tuning step - FM: 76-108MHz; Steps: 10K, 50K, and 100K (100K is the default) - LW: 144-288KHz; Steps: 1K, 3K, and 9K (1K is the default) - MW: 522-1710KHz; Steps: 1K, 3K, and 9K (9K is the default) - SW: 2300-27000KHz; Steps: 1K, 5K, and 50K (5K is the default) 2. Sensitivity - FM: -4dBuV and 0.63uV; IP3: 117dBuv (linear quality factor) - AM: 30dBuV and 31.6uV; IP3: 145dBuv 3. Adjacent frequency selectivity - FM: 65dB and ±100kHz. - AM: 80dB and ±10kHz. 4. SNR - FM: mono = 75dB; stereo = 65dB (Vi (RF) = 80dBμV and â-³f = 22.5kHz) - AM: 68dB (Vi (RF) = 74dBμV and m = 30%) 5. Distortion - FM: mono < 0.03%; stereo < 0.1% - AM: < 0.15% - FM stereo separation: > 50dB 6. Other Parameters - Output power: 0.5W & THD = 1% - Quiescent current: 5mA in standby state and 280mA in power-on state - Power supply: Two built-in 18650 batteries; type-c charging (DC 5V/1A) - Dimensions: About 150mm x 100mm x 25mm/5.9" x 3.9" x 1" (WxHxT) - Weight: Approx. 430g/0.9lb Package Included: - 1 x Set of DSP Receiver Packaging Details: - G.W.: 0.7kg Payment Terms 1. We accept PayPal,Payoneer,Visa Card,Google pay,Credit card etc. 2. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms 1. We will process the order within the handling time ,if you have any questions, please contact us via eBay message or email. 2. For remote regions of DHL/FedEx..., extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding. Return Terms If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. We will guide you the returning process for replacement or refund. Custom Duties & Taxes 1. It is buyers responsibility to cover the import duties, taxes.We do not charge any taxes and fees, and the possible taxes and fees will be collected by the platform or by third parties such as customs and carriers. 2. Please check with your countrys customs office and inform us what/how much should declare before shipping. Feedback 1. Please kindly leave us a positive feedback and 5 star DSR if you satisfied with our product and service. Please feel free to contact us firstly if you have any problem with your order, we are responsible and credible seller and will solve the issue it for you asap. 2. If you are dissatisfied for any reason, please dont be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers. On Jul 11, 2024 at 04:58:33 PDT, seller added the following information:

Price: 149.43 USD

Location: Shenzhen

End Time: 2024-10-11T08:43:39.000Z

Shipping Cost: 5 USD