{"product_id":"certified-pre-loved-flex-8400-signature-series-sdr-transceiver","title":"Certified Pre-Loved FLEX-8400 Signature Series SDR Transceiver 1 Year Warranty SSDR Basic","description":"\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: large;\"\u003eShips 8-14-26\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: large;\"\u003eJust in from Flex! \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cem\u003eCertified Pre-Loved FLEX-8400 radios are sold in excellent condition with a one year warranty. They have been through a full factory test and recalibration.\u003c\/em\u003e\u003c\/h3\u003e\n\u003cp class=\"has-large-font-size\"\u003eThe FLEX-8400 offers the latest direct sampling SDR technology with a high-resolution display and ergonomic controls.\u003c\/p\u003e\n\u003cp class=\"has-large-font-size\"\u003eYour First HF Radio Should Make FT8 Feel Effortless\u003c\/p\u003e\n\u003cp class=\"has-medium-font-size\"\u003eThe FLEX-8400 gives new hams a wide open window into HF, direct sampling SDR performance built in, at a price that makes getting started make sense. No sound cards. No cable chase. No guessing.\u003c\/p\u003e\n\u003ch2 class=\"wp-block-heading\"\u003eMade for the Mode Everyone’s Talking About\u003c\/h2\u003e\n\u003cp\u003eFT8 has become the way most new hams make their first contacts. It doesn’t require Morse code skill, and it works even when conditions are marginal. Because the FLEX-8400 is a direct sampling SDR, digital modes run straight through the radio’s own audio path, no external sound card, no extra cables, no levels to fuss with. Open SmartSDR, click a signal on the waterfall, and you’re decoding. Your first FT8 contact can happen the same day the radio arrives.\u003c\/p\u003e\n\u003cp\u003eAnd it’s just as capable everywhere else you’ll want to operate. Legendary FlexRadio transmit audio and 115 dB RMDR keep SSB clean and readable, full break in QSK CW and ultra low phase noise give CW operators the fast, quiet keying they expect, RTTY runs through the same clean digital path with brick wall filtering for crowded contest bands, and if you want to try RADE, the newest digital voice mode from the FreeDV project, this radio’s clean receiver and native digital audio path make it a great platform for that too.\u003c\/p\u003e\n\u003cp class=\"has-large-font-size\"\u003eWhat this means in practice\u003c\/p\u003e\n\u003cp\u003eSee the whole band at once on the waterfall display, so you can spot activity visually instead of scanning blind\u003c\/p\u003e\n\u003cp\u003eClick directly on a signal to tune to it, no dial spinning required\u003c\/p\u003e\n\u003cp\u003eThe radio’s clean receiver front end (115 dB RMDR) means a strong nearby station won’t bury the weak one you’re trying to work or decode, on any mode\u003c\/p\u003e\n\u003cp\u003eDigital modes run straight through the radio’s own audio path, so there’s nothing extra to buy or plug in\u003c\/p\u003e\n\u003cp\u003eNew to the hobby? You don’t need a wall of boxes or a technician’s toolkit to get this radio on the air.\u003c\/p\u003e\n\u003cp\u003ePlug in power, connect Ethernet, load SmartSDR (it’s free), and you’re transmitting. SmartSDR is the software that becomes your radio’s front panel, it shows you the band, your signal, and every control, right on your screen. There’s no separate hardware interface to learn first.\u003c\/p\u003e\n\u003cp class=\"has-large-font-size\"\u003ePerformance That Grows With You\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Sampling SDR (122.88 Msps, 16 bit):\u003c\/strong\u003e The radio digitizes the entire HF band at once rather than tuning to one frequency at a time, which is what gives you the full band waterfall view\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e115 dB RMDR (Reciprocal Mixing Dynamic Range):\u003c\/strong\u003e In plain terms, this is what keeps a loud station down the band from drowning out a weak one you’re trying to work, especially useful during contests or crowded FT8 windows\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrick wall filters:\u003c\/strong\u003e Sharp digital filtering that lets you isolate one signal cleanly, even in a packed band, without static bleeding in from next door\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo independent receivers:\u003c\/strong\u003e Listen to two bands or modes at once, useful once you start chasing DX or checking a second band while you work FT8 on the first\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e100W output, all modes, all HF bands plus 6m:\u003c\/strong\u003e Room to grow into SSB, CW, and contesting whenever you’re ready, without needing new hardware\u003c\/p\u003e\n\u003cp class=\"has-large-font-size\"\u003eOperate from Anywhere!\u003c\/p\u003e\n\u003cp\u003eWith SmartLink, your shack goes wherever you go. Log in from a laptop, iPad, iPhone, or the Maestro control console and your radio responds like you’re sitting in front of it, whether you’re across town or across the world. No port forwarding, no network setup, just a login and a connection.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComes with the latest SmartSDR v4 Basic firmware\u003c\/li\u003e\n\u003cli\u003e100W PEP HF-6m operation\u003c\/li\u003e\n\u003cli\u003eAll modes\/all bands\u003c\/li\u003e\n\u003cli\u003eIntegrated Remote Operation with Maestro, PC\/Laptop, Mac, IPad® or iPhone®\u003c\/li\u003e\n\u003cli\u003e2 Independent Band \/ Mode Receivers\u003c\/li\u003e\n\u003cli\u003eFull Duplex Cross-Band Operation\u003c\/li\u003e\n\u003cli\u003eTransverter Port\u003c\/li\u003e\n\u003cli\u003eReceive-Only Port\u003c\/li\u003e\n\u003cli\u003eDirect Sampling SDR 122.88Msps – 16 bit\u003c\/li\u003e\n\u003cli\u003e115 dB 2kHz RMDR\u003c\/li\u003e\n\u003cli\u003e\u0026gt;155 dB Dynamic Range\u003c\/li\u003e\n\u003cli\u003eOptional Antenna Tuner\u003c\/li\u003e\n\u003cli\u003e10 MHz Reference Input\u003c\/li\u003e\n\u003cli\u003eIntegrated GPSDO Option for ultra high frequency precision and accuracy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Flex","offers":[{"title":"Default Title","offer_id":45782605758511,"sku":"OBI-FLEX-8400","price":2299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8260\/1775\/files\/FLEX_8400_45Left.png?v=1786136495","url":"https:\/\/mtcradio.com\/products\/certified-pre-loved-flex-8400-signature-series-sdr-transceiver","provider":"MTC Radio","version":"1.0","type":"link"}