$83.6 Buy It Now or Best Offer
free,30-Day Returns
Seller Store onebuymore
(95) 95.2%,
Location: Shenzhen
Ships to: US,
Item: 196062862703
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
Return policy details:
Frequency range:100k~149MHz
Audio interface:support ordinary 3.5mm earphone
Step frequency:1Hz/10Hz/100Hz/1kHz/10kHz/100kHz/1MHz/10MHz
Color:Black
Working mode:CW, AM, SSB (LSB/USB), WFM, FM broadcast stereo
Charging port:USB Type-C, 5.0V/2A
HamGeek:HamGeek
Reference crystal:TCXO 26MHz ±0.5ppm
Type:SDR Radio Receiver
Antenna interface:BNC male connector input impedance 50Ω
Display technology:4.3″ IPS 800x 480; DC dimming bright LCD
Speaker power:maximum 3W, 4Ω multimedia speaker
DSP-01:DSP-01
Control method:resistive touch screen + rotary encoder
Current consumption:about 250mA at 5V
Country/Region of Manufacture:China
Spectral bandwidth:192kHz, 128kHz, 64kHz, FFT
Description Software Defined Radio SDR Radio Receiver DSP Digital Demodulation CW/AM/SSB/FM/WFM w/ 4.3″ IPS LCD Attention: This product is neither an instrument nor a professional radio. Compared with the former two, the receiving performance will be slightly inferior. Your order represents that you have a certain understanding of the technical implementation and functional limitations of this product, and may need to take certain risks. For example, returns and exchanges caused by products that cannot meet your psychological expectations. This product realizes frequency mixing based on the Tayloe Quadrature Product Detector method. Clock generator Si5351 generates two quadrature square wave signals with variable frequency as excitation, and realizes an ultra-low noise ZIF zero-IF receiver. The IQ signal obtained after mixing is output to the CODEC codec and collected by the MCU, and the DSP algorithm in the MCU completes the demodulation and display of the signal. Tayloe mixer references: Ultra Low Noise, High Performance, Zero IF Quadrature Product Detector and Preamplifier http://www.norcalqrp.org/files/Tayloe_mixer_x3a.pdf Description: HamGeek DSP-01 is a DSP digital demodulation radio based on SDR architecture. It features a 192kHz wide spectrogram and waterfall display. With 16bit sampling, it is a high dynamic receiver with CW, AM, SSB and FM demodulation functions. The whole machine adopts all-aluminum alloy CNC shell, with a 4.3-inch 800×480 resolution high-brightness IPS LCD display. It also maintains a compact and compact body. Immediately take it to the outdoors, enjoy the natural scenery and the fun of the radio anytime, anywhere! Base Parameters: – Display technology: 4.3″ IPS 800x 480; DC dimming bright LCD – Control method: resistive touch screen + rotary encoder – Frequency range: 100k~149MHz – Working mode: CW, AM, SSB (LSB/USB), WFM, FM broadcast stereo (requires headphones) – Step frequency: 1Hz/10Hz/100Hz/1kHz/10kHz/100kHz/1MHz/10MHz – Spectral bandwidth: 192kHz, 128kHz, 64kHz, FFT real-time spectrum display – Antenna interface: BNC male connector, input impedance 50Ω, maximum input power -20dBm – Reference crystal: TCXO 26MHz ±0.5ppm – Audio interface: support ordinary 3.5mm earphone and CTIA (American Standard) interface earphone – Speaker power: maximum 3W, 4Ω multimedia speaker – Charging port: USB Type-C, 5.0V/2A – Current consumption: about 250mA at 5V – Battery capacity: 5000mAh/3.7V, 18.5Wh, lithium battery – Usage time: about 10-12 hours, depending on its volume and brightness – Channel saving: Preset 99 channels Chinese station name, station frequency and demodulation mode – Dimensions (without protrusions): 136 x 74 x 22mm/5.4 x 2.9 x 0.9″ (LxWxH) – Main unit weight: about 310g/0.7lb Receiver Parameters: – Gain of RF front-end power amplifier: fixed 20dB – Circuit Type: Zero-IF ZIF – Side-band suppression: ≥55dB Display Control Parameter List: 12 optional parameters for the encoder: 1. Channel selection: 1-99 2. Frequency setting: 100k-149MHz, minimum step 1Hz 3. Speaker volume (SPK): 0~35dB, step 1dB, OFF is closed 4. Headphone volume (EAR): 0~35dB, step 1dB, OFF is closed 5. Demodulation mode: CW, LSB, USB, AM, WFM, STE (FM broadcast stereo), I/Q 6. AGC settings: OFF, SLOW, MID, FAST 7. Reference level (REF): -99 to 99dB adjustable 8. Backlight brightness (LCD): 1%~99% adjustable 9. IF GAIN: -12 to 67dB, step 1dB 10. Spectrum style setting: switch to display green fill, green line, blue fill and white line 11. Spectrum bandwidth setting: switch to display RF spectrum (192kHz, 128kHz, 64kHz) and audio spectrum (64kHz) 12. Waterfall chart setting: switch to display waterfall chart and time domain waveform chart (1 times, 8 times, 64 times amplitude) 5 parameters that are not selectable by the encoder: A. Battery level display B. Date and time settings C. Station information display: preset station name D. Display of current spectrum bandwidth E. Power display (POWER) real-time display of the input power of the antenna port Precautions: 1. It adopts SDR architecture. If there is a strong broadcasting station near you, there may be a phenomenon of tandem/mirror station, please be aware. 2. The input impedance of the antenna interface is 50Ω. For medium wave radio, it is recommended to connect a dedicated medium wave loop antenna for better listening effect. 3. Please pay attention to the volume setting of earphone (EAR) before using the earphone to listen to avoid discomfort caused by the excessive volume. Packing List: – 1 x HamGeek DSP-01 Radio – 1 x USB Type-C Data Cable – 1 x BNC Telescopic Antenna – 1 x Touch Screen Pen – 1 x User Manual Firmware Upgrade: It supports subsequent firmware upgrade by users, and the firmware upgrade needs to enter the removable disk mode first. 1. Use a TYPE-C data cable to connect the radio to the computer, and turn on the radio while pressing the encoder. 2. The machine will enter the removable disk mode, which appears as a 1MB removable disk on the computer. 3. Copy the latest firmware to this removable disk, and restart the machine to automatically complete the firmware upgrade. 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 buyer’s 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 country’s 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 don’t 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.
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