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Second Hand Radio equipment
Second Hand Flex 6400 With Antenna Tuner
Second Hand Radio equipment
Second Hand Flex 6400 With Antenna Tuner

Double boxed with ATU installed!

£1,799.00 (No VAT)
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Product code:SH-FLEX6400
Brand:Second Hand Radio equipment

Second Hand Flex 6400 With Antenna Tuner, The FLEX-6400/6400M is a 100W HF transceiver for the shortwave bands from 160 to 10m, plus the 6m band. Two completely independent receivers are available, an important prerequisite to work DX in split mode or to observe other bands and modes during a contest. Full duplex crossband operation is also possible.

The receivers are designed as direct sampling SDR receivers. A sampling rate of 122.8 MHz is used, the AD converter has a word size of 16 bits. This results in an excellent RMDR value of 115 dB (at 2 kHz distance). As a visible result of this high-end digital technology, the user has a spectrum width of up to 7 MHz, more than sufficient to observe several amateur radio bands simultaneously. The frequency range of the receiver is from 30 kHz to 54 MHz, the transmitter is limited to the amateur radio bands. The preselector with 3-pole band filters provides a very good large signal selectivity. A low-noise oscillator contributes significantly to the good receiver data. For exceptionally high requirements a 10 MHz reference clock input is available, which can be driven by an optional GPSDO. For friends of VHF bands, a transverter output and an RX input are available, enabling operation on higher bands with an external transverter.

The transmitter of the FLEX-6400/FLEX-6400M offers 100W transmit power (PEP, 25W AM), the suppression of unwanted by-products is better than 60dBc. The transverter output can be set from 0 to +10 dBm. The transmitter is limited to the amateur radio bands provided in the respective region. An optional antenna tuner can automatically correct mismatches up to 3:1 SWR (ATU option).

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