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USDX Handheld Tri-Band Pocket Radio 15/20/40m 3 Band HF SSB QRP Transceiver Compatible with uSDX QCX-SSB. USDX is a portable QRP amateur radio shortwave transceiver with a miniature SDR architecture, referring to the portable SDR model that redefines the appearance of uSDX. It can be used as an introductory FT8/CW/SSB learner, where the SSB reception quality is good and the transmission quality is slightly worse. Receiving: 0.5MHz 30MHz (theoretically it can reach the limit of SI5351). Operating temperature range: 0? Power supply voltage: 10.5 16V DC, the negative pole is grounded. Body size: 502080mm (WHL) (excluding protrusions). Weight: about 200g (main unit only). RF output power: 0.1-5W (SSB/CW). 1 is ground, 2 and 3 are signals. Mic and key multiplexing port definition. In SSB mode, the function of this socket is microphone, 1 is ground, 2 is microphone (built-in microphone, here is external MIC), 3 is PTT control (panel integrated PTT control, button name is XMIT). In CW mode, it is the key interface. Please note that after switching back to SSB mode, the key can be used as PTT transmission control, and the MIC in the machine is invalid (the plug is inserted into the MIC in the machine and disconnected). Connection diagram with computer. The figure below shows the PTT control circuit. The antenna interface is SMA, please connect a 50 ohm resonant antenna. Above the OLED screen socket in the machine, there is a 4P pad, and the square hole is the ground, which is defined as GND/TX/RX/DTR in turn. Please use TTL cable connection to flash the machine, and pay attention to swap RX and TX. Bootloader rate is 115200. Under the fuselage, the plug size is 5.52.1, the inner core is positive, and the outer ring is negative. Do not plug it backwards, burn yourself out. International buyers please note: a. If the item is not as described or damaged in transportation, please send it back within 7 days upon date of receipt. Items must be unused, in original packaging and include all parts, accessories and packaging. This item is in the category “Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Transceivers”. The seller is “csdf5963″ and is located in this country: CN. This item can be shipped worldwide.

• Type: Ham Radio Transceiver
• Brand: Unbranded

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MFJ-461 Pocket morse code reader. Is your CW rusty? Relax and place this tiny pocket size portable MFJ Morse Code / CW Reader near your receivers speaker. Then watch Morse code signals turn into solid text messages as they scroll across an easy-to-read LCD display. No cables to hook-up, no computer, no interface, no other equipment needed! Use it as a backup in case you miscopy a few characters. It makes working high speed CW a breeze — even if youre rusty. Practice by copying alone with the MFJ-461. Itll help you learn the code and increase your speed as you instantly see if youre right or wrong. Eavesdrop on interesting Morse code QSOs from hams all over the world. Its a universal language thats understood the world over in all languages. Automatic Speed Tracking MFJ AutoTrak automatically locks on and tracks CW speed to decode high and low speed Morse code. MFJ Instant Replay The most recent 140 characters can be instantly replayed. This lets you re-read or check your copy if youre copying along side the MFJ-461. High Performance Modem Consistently get solid copy from MFJs high performance PLL (phaselock loop) modem technology. Digs out weak signals and even tracks slightly drifting signals. Of course, nothing can clean up and copy a sloppy fist, especially with a weak signals with lots of QRM/QRN. High Contrast LCD Display 2-line LCD display has 32 large 1/4 inch high-contrast characters. You can display decoded CW as text and speed or switch to all text on both lines. True Pocket Size Fits in your shirt pocket with room to spare — its smaller than a pack of cigarettes. Weighs less than 5.5 ounces. More Features A serial port lets you display CW text ona monitor using a computer and terminal program. Battery saving feature puts it to sleep during periods of inactivity. Uses 9-Volt battery (not included). Easy to use — No Instruction Manual needed! Just turn it on — it starts copying instantly! Here are some accessories for the MFJ-461: MFJ-26B — MFJ-416 or MFJ-461 Carrying Case with Belt Clip MFJ-5161 — MFJ-461 to Computer Serial Port Cable MFJ-5162 — MFJ-461 or MFJ-462B to Radio 3.5mm Patch Cable. GigaParts ships from multiple locations across the USA, so a portion of your order may come from two different warehouses. Modified radios do not qualify for direct replacement unless GigaParts performed the modification. Is a full service computer and amateur radio store. Our PC department stocks the latest components for upgrading your PC, building your own PC, or having us build one for you. Our Radio department features the latest products from manufacturers such as Alinco, Icom, Kenwood®, Yaesu, MFJ, Diamond, and many more. Whether you’re a DX’er looking for the latest HF rig or a soon-to-be-HAM looking for study materials and a two-meter handie talkie, we have what you need! We look forward to adding you to our long list of satisfied customers. You may also be interested in.. View more great items. The item “MFJ-461 Pocket morse code reader” is in sale since Monday, October 19, 2015. This item is in the category “Consumer Electronics\Radio Communication\Ham, Amateur Radio\Other Ham Radio Equipment”. The seller is “gigaparts” and is located in United States. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay.

• Brand: MFJ
• Type: Handheld
• Compatible Brand: Universal
• MPN: MFJ-461

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