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3W CW Short Wave Ham Radio Telegraph Transceiver DIY Forty-9er Kit 7.023MHz

$ 5.08

  • Brand: Unbranded
  • Compatible Product: For DIY
  • Country/Region of Manufacture: China
  • EAN: Does not apply
  • Frequency Range: 7.023MHz
  • MPN: Short Wave ham Radio
  • Model: Shortwave Transmitter
  • Type: Shortwave Transmitter&Receiver(Red)
  • UPC: Does not apply
  • gtin13: Does not apply

Description

Visit store Items for sale About us Product Details Description: 100% Brand New and High Quality This is a very small volume of simple 40 meter band micro-power amplitude telegraph transceiver. The new "Forty-9er" kit has the following characteristics: 1, the output power is raised to 3W, power output using an American ring, it has a strong remote communication capabilities, enhance the Forty-9er practicality! 2, increasing the side tone circuit, so that when you operate the transmitter, the headset can also listen to the keying signal, side tone circuit using an audio sine wave generator, the effect was significantly better than the ordinary sense of hearing frogs square wave generator. 3, when the vibration frequency of the kit launch fixed 7.023MHz, when receiving the vibration frequency is 7.023-7.026MHz. PCB size is 6cm * 6cm. 4, the kit can be easily placed in the PCB 65mm * 35mm * 100mm standard aluminum shell, the kit does not include this housing. If there is a need to contact me! The main index: Power: 12V Receive quiescent current: 23mA @ 12V Emission current: 450mA @ 12V Transmit power: 3W @ 12V Frequency range: the vibration emission 7.023MHz, receive local oscillator 7.023-7.026MHz Transceiver Distance: 100-300 km. Mode: CW Circuit Schematics: Receiving section for a typical straight LM386 NE602 plus variable receiver. Emitting portion utilizes the oscillation circuit NE602, and then to do the buffer amplifier 8050, 8050 also as the transmission key, the last stage is a class C amplifier D882, and then send the LPF after the antenna is connected. There sidetone launch. Kit Description: This kit is not soldered, all shipments of electronic components, shop display of the finished picture, for reference when buying. FAQ: Q: How far can be transmitted? HF communication and propagation environment, antenna, equipment, operating level, and several other factors, alone device more difficult to guarantee a specific distance. Our suites are all classic models, a lot of people at home and abroad is already in use, the restaurant also has a client transmission performance is very good, the basic premise is that good performance antenna! Q: telegraph can talk it? CW transceiver can not talk, only supports the SSB or FM modulation, such as a machine before they can talk, can only use the key transceiver transmitter and headphones receive messages. Q: key need to buy it? For just beginners, amateur production expensive in DIY, do not recommend that you purchase an expensive key recommended homemade, find old mouse + MP3 headset line their own modified one. Q: What kind of antenna? Recommended "dipole" or "inverted V antenna", you can query "shortwave dipole antenna" for more information. Package Include: 1 x 3W CW Short Wave Ham Radio Telegraph Transceiver DIY Kit Forty-9er 7.023MHz Payment Method Shipping Policy Returns & Refund Policy Feedback Payment Method EBAY Managed Payment. But we only Accept your Ebay Address , please Make sure it's 100% right. Payment must be received in 5 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. Shipping Policy 1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand. 2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders. 3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund. Returns & Refund Policy All package need to wait 30 days (US only n eed 7-10 days) , Please take care it.Less than 30 days,we can't take a refund . If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it. If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item. Feedback We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.