Yaesu FT-991A All Mode transceiver HF/50/144/430 MHz 100W

Ref: FT991A

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Average rating: 5/5 Number of reviews: 12
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Yaesu FT-991A

All Mode HF/50/144/430 MHz 100W transceiver

The next-generation FT-991A all-band transceiver offers maximum compatibility for all modes, including HF/50/144/430 MHz, in one compact unit. Extremely advanced receiver circuitry paired with intuitive operation. A further leap in quality for all All Mode transceivers


- Equipped with waterfall with real-time function

The uncompromising design of the receiver circuitry is a guarantee of excellence.

                                                     Basic performance from HF to VHF / UHF

80-ft991_pag19_quad-mixer.jpg Sophisticated receiver "front end" equal to that of the FT-DX series transceivers
Triple conversion with the IF frequency of 69.450 MHz for all bands;
The 1st IF stage is equipped as standard with a 3 kHz narrowband roofing filter;
Designed to provide extraordinary close multi-signal characteristics, not only in HF, but also in VHF and UHF bands

81-ft991_pag19_mixer.jpg Features the highly regarded quad mixer of the FT-DX series transceivers, along with a dedicated VHF/UHF mixer
The 1st stage IF mixer for HF/ 50 MHz is a quad mixer with four dual-gate 3SK294 MOS-FET devices that offer very low noise, excellent intermodulation characteristics and high dynamic range. A dedicated mixer for the VHF/UHF bands, separate from the HF bands, allows for design optimization for the affected frequencies, resulting in superior performance.

The RF amplifier design is optimized for each band
IPO/ AMP1/ AMP2 (HF/50 MHz) parameters selectable for optimized operation with any received signal
Separate RF amplifiers offer optimal characteristics for each band


Yaesu's IF DSP system is renowned for its outstanding interference rejection

Same high-speed floating-point DSP as used on the FTDX Series
The TMS320C6746 (3000 MIPS / 2250 MFLOPS) high-speed floating-point DSP chip from Texas Instruments enables excellent interference rejection with actual signals in real-world conditions, not only in HF, but also in the VHF and UHF bands.

Extremely effective interference rejection
The IF WIDTH and IF SHIFT functions, which are the basis for eliminating interference, are naturally integrated to optimize the effect. The effectiveness of interference rejection is further increased by the sophisticated functions inherited from the FT-DX series, such as the 16-stage digital noise reduction and the DNF (AUTO NOTCH) filter that quickly tracks even multiple beats. The CONTOUR function that easily highlights the desired signal with a natural sound; the NOTCH function with selectable bandwidth and other functions ensure convenient use in Contest and DX QSOs.

Final stage with large power reserves: 100 W for the HF /50 MHz band and 50 W for the VHF /UHF band

- High quality push-pull amplifier with 100 watts for HF /5O MHz

Thanks to a push-pull arrangement of RD1OOHHF1 MOS-FET devices renowned for excellent performance in the HF/50 MHz range, the amplifier delivers high-quality, low-distortion power at 100 watts.

High speed antenna tuner from 1.8 to 54 MHz supplied as standard

- The 50W amplifier for the VHF /UHF band ensures sufficient power for the high frequency bands
The final amplifier for the VHF and UHF bands uses the high-power RD70HUF2 MOS-FET device that includes two MOS-FETs in a single package, for a total power output of 50 watts.

- Compatibility for advanced C4FM digital functions

V/D mode for simultaneous voice and data transmissions with effective error correction, optimal for mobile applications and Voice FR * (Full Rate) mode for high-quality audio transmissions

- AMS function instantly recognizes digital mode or FM mode and allows mutual communication

- The GM (Group Monitor) function which allows you to easily check on screen the possible presence of group members within the transmission range

- 126 types of DSQ (Digital Squelch) allow exact selection of communication stations

* Data FR mode (high speed data communication mode) is not supported and therefore it is not possible to send/receive images in C4FM digital mode.

Advanced spectrum analyzer function with cascade display capability

A high-resolution spectrum analyzer, usually not available in this category of transceivers, allows instant evaluation of band conditions and exact selection of any desired station.

The ASC function automatically switches between spectrum analyzer sweep and receiving audio in conjunction with tuning

The brand new touch panel, combined with the traditional layout, guarantees maximum ease of use
3.5 inch color touch panel for convenience of use

The color TFT display readily provides useful status information
functions and settings

The extremely responsive panel with functional design and intuitive layout makes using it a real pleasure


Data sheet

Radioamatoriali Base
Compatible brand
Radioamatoriali Base

Specific References

Filter reviews

Yaesu una garanzia!
rating 5
Il prodotto è versatile ed è l\'unico quadribanda in commercio in produzione finchè non verrà tolto dalla linea di produzione per essere sostituito da un altro ma non credo che Yaesu farà altri quadribanda in futuro.
Il prodotto è compatto ed ha la particolarità e peculiarità unica nel suo genere di avere i tasti retroilluminati, cosa molto utile. Lo schermo è un po\' piccolino, rispetto ai fratelli maggiori da base ma è chiaro e leggibile.
Potenza in abbondanza ed accordatore integrato ne fanno un apparato completo per chi ha bisogno di utilizzarlo su tutte le frequenze.
Lo ritengo utile per seconde stazioni di back-up o per applicazioni Field, attivazioni temporanee provvisorie o per chi non ha lo spazio per molti apparati in casa.
Facile, intuitivo e soprattutto YAESU! 5 anni di garanzia completano il tutto e non è poco!
Ft 991a
rating 5
Hamradioshop si dimostra sempre didponibile a soddisfare tutte le edigenze del cliente
Yaesu FT991A
rating 5
prodotto arrivato perfetto, ottimo il funzionamento. consigliato per chi comincia.
rating 5
Prodotto conforme alle descrizioni, comprensivo di manuale in italiano.
rating 5
molto soddisfatto
Yaesu FT-991A
rating 4
interesting tranceiver, very good for in quality/price
rating 5
Splendido apparato, compatto, efficiente e facile da usare. Lo consiglio.
rating 5
Consiglio a tutti questa radio ,
Yaesu Ft 991a
rating 5
Da molto tempo seguivo questa radio e oggi finalmente è arrivata, super imballo protettivo, Hamradioshop una garanzia di qualità sempre!
Yaesu FT-991A
rating 5
Ricevitore all mode, molto completo con manuale in italiano molto esaustivo. Sono molto soddifatto.
rating 5
rating 5

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