New Frogs Calling Qrp 1.8w Finished , Cw Receiver Transmitter 7.023 Mhz Finished

US $24.99

  • ??, ???, China
  • Feb 24th
NEW Frogs calling QRP 1.8W Finished, CW Receiver Transmitter 7.023 Mhz finished Its finished Suite welding need electronic technology basis, please bring your own multimeter and electric iron tool. "Frog" original design from the United States NoCal QRP club's famous "Forty-9er" The new "frogs" suite is the upgrade version of the shop and many customers a large number of experiments, the test after the launch, overall performance beyond "the various versions of the song" index, is the best version of the song suite, with the following  characteristics: 1, this is the maximum power of frogs, the rated output power has increased to 1.8 W (D 882 output), at the same time suite power output using the American ring, so that the "Jungle" with the remote communication ability, enhance the "practical frogs"! 2, increase the side tone (SIDE TONE) circuit, so, you in operation "frogs" launch, headphones can also listen to the transmitted signal, side tone circuit model using audio sine wave generator, a lateral sound comfortable, the sense of hearing is better than common frogs using 74HC00 as a square wave generator effect. 3, modify the original design can not be "transmit-receive cofrequency", at present this kit launch the vibration frequency is fixed at 7.023MHz, when receiving the vibration frequency is 7.023-7.026 MHz. PCB size of 6 cm . The main index : Power supply: 12V Receiving the static current: 20mA @ 12V The emission current: 400mA @ 12V Power: 1.8W @ 12V Frequency range: launch the vibration 7.023MHz, receiving the vibration 7.023-7.026MHz Mode of operation: CW The circuit principle: The receiving part for a typical NE602 and LM386 direct conversion receiver. The high frequency electronic switch and the 8050 mute circuit used in the launch time completely close the receiving. The emission part using the oscillating circuit NE602, and then to the 8050 buffer amplifier, 8050 as the transmitting keying, the final D882 is a class C amplifier, and then send the LPF antenna. When there is a lateral sound emission. This suite is not welded, delivery is scattered electronic components, the store display of the finished picture, only Purchase reference. Frequently asked questions: Q: can be far? A: the relevant factors of shortwave communication and communication environment, antenna, equipment, operation level, alone Equipment is difficult to ensure that the specific distance. This shop all suite are classic models, a large number of domestic and foreign People are already in use, the shop also has customer transmission performance is very good, the basic premise is the use of high performance Good antenna! Q: the telegraph can talk? The A:CW transceiver can't talk, only supports SSB or FM modulation machine can Speak, transceiver can only use the key and the earphone receiving message. Payment Policy: We ONLY accepted PayPal payment.  We will ship to the shown address on you PAYPAL Payment notice, Please confirm your shipping address in the PayPal Account.  If you don't have Paypal account, please sign up and learn more about paypal at: www.paypal.com. Payment must be fulfilled within 7 days since auction's ending.  shipping & time: Generally, delivery time is 10-20 business days to USA, United Kingdom, Australia and 15-30 days to most other countries. Items will be shipped within 1 business day on payment received. Delivery time depends on destination and other factors, it may takes up to 30 business days. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Returns Policy: All sales come with us 14-day warranty. Return items must not be used or have any sign of abuse or intentional damage. Buyer is responsible for all return shipping charges. We reserve the right not to refund S&H when the item has been posted. Contact us: If you have any questions,Please contact with us via eBay message or our customer service e-mail. please be advised that e-mails will be replied by our customer services officers Mon. - Fri. 11:00 - 20:00 and Saturdays 11:00 - 15:00(Excluding Weekends and Public Holidays) You may expect to receive a response to your inquiry within 24 hours. (Excluding Weekends and Public Holidays) Feedback: Dear buyers, we appreciate your business, if you are satisfied with our service, please leave us a positive feedback . When you rate the shipping time part please take international transit into consideration. Your recognition will make us more confident to develop business and serve you better. Our goal is to make sure you are a happy buyer and pleasant shopping with us. Please email us before leaving any 1 or 2 ratings, negative feedback or open any dispute. We understand the concerns and frustrations you might have, and will do our endeavor to resolve the issues.  Please give us the opportunity to resolve any problem. thank you !

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