Product Description
Product Description
Assembled Micro-Power Medium Wave Transmitter Board For Testing Crystal Radio Domestic UseProduct Description Video For Radio Sound Performance:/v_show/id_XNDQxNDk1NTEzMg==.htmlElectrical Parameters:- Power Supply: 9V2A DC, 5.5 interface, internal positive and external negative (power supply is not included)- Transmitting Frequency: 530 ~ 1600KHZ (radio medium-wave band)- High-Frequency Transmitting Power: About 500 mW for uses within 5 to 10 meters.- Antenna: 5M 1.5 ~ 2.5 copper wire for home uses - Audio Input: 3.5mm at both ends- Audio Source: CD, desktop computer, mobile phone, etc.- Application: Medium wave radio enthusiasts, for students to study the principle of wireless signal generation and modulation 1: Power Supply (9V. Internal positive & external negative)2: Audio Input3: Volume Adjustment4: Adjust Frequency5: Adjust Modulation Frequency6: Antenna Terminal (5M cable for home radio) Audio amplifier circuit outputs sufficient audio power to modulation circuit. With collector modulation, this board features small distortion, adjustable amplitude, and excellent sound quality. It is suitable for radio enthusiasts and students' experiment. Adjust 223 tuning capacitor to change frequency in the range of 530 ~ 1600KHz. Use and experimental radio transmitters are subject to local radio regulations. Please adjust amplitude knob to minimize power. Packaging & ShippingPackage: Normally we use the standard exporting packaging. We also can according to clients' request . Shipping : 1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier we are co-operating at present.2. By Air: Delivery from the Shanghai airport to customers’ destination city air port.3. By Sea: Delivery from the Shanghai sea port .Company InformationTZT has been speciliazing in Business & Industry,Hobbies & Toys,CNC Products and Health care supplies for over 5 years.We committed to enhance customer satisfaction by continually improving the process with a vision of expertise in the field. Aiming to provide high quanlity products and great service for buyer,we are strict on product quanlity control and offer instant communication service.Welcome to contact us!Our Advantages:- Source only the best consumer goods and ensure the highest quality.- Streamline the buying and payment process, and make it as easy as possible.- Help the customers all over the world discover products and manufacturers in China.- The Shortest order processed time and speed delivery FAQQ1. Can I have a sample order?A: Yes, we welcome sample order to test and check quality. Q2. What about the lead time?A: Samples arrived often need 3-5 days. Q3. Do you have any MOQ (minimum order quality)limit?A: Low MOQ, 1pc for sample checking is available. Q4. How do you ship the goods and how long does it take to arrive?A: We often ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping is also optional. Q5. How to proceed an order?A: Initially, let us know your requirements or application. Besides, We quote according to your requirements or our suggestions. Thirdly, customers confirms the samples and places deposit for formal order. Finally, We arrange the production. Q6. Is it acceptable to print my logo on the product?A: Yes. Please inform us formally before our product and confirm the design firstly based on our sample. Q7: Do you offer guarantee for the products?A: Yes, we offer one-year warranty for our products. Q8: How to deal with the flaw?A: Our products are produced in strict quality control system and the percent of pass is often maintained over 99.8% Contact usPlease do not hesitate to contact me if you need any further informationWhatsapp/Tel/Wechat: 8619902906050Web: Address: Room 303 Building 2,Youpin Cultural and Creative Park,Zhangkeng,Minzhi Street,Longhua District,518131,Shenzhen,China(Mainland)
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