Yaesu FT-991A HF/VHF/UHF All Mode Transceiver

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Successor to the Yaesu FT-991.

The FT-991A is the next generation in all mode, all band MF/HF/VHF/UHF transceiver with C4FM (System Fusion) Digital capability. The FT-991A includes multi-mode operation on CW, AM, FM, SSB, and Digital Modes (Packet, PSK31, RTTY and C4FM), with 100 Watts of HF/50mhz Capability (50 Watts VHF/UHF).

The New FT-991A now includes a high-resolution full color 3.5" TFT Touch panel for superior operability and visibility, incorporating a High Speed Spectrum and High Resolution real-time scope with ASC (Automatic Spectrum-scope control) built right in.

The FT-991A is designed for the most competitive operating situations, with a suite of new features to enhance the experience. Whether you primarily operate at home, mobile or in the field, the FT-991 will provide outstanding fundamental performance plus give you easy access to the full range of exciting modes available on the ham bands today.

Frequency range

RX-range
0.3-56 / 118-164 / 420-470 MHz
TX-range
1.8-54 / 144-148 / 430-450 MHz
HAM bands
-
Stability
±0.5 p.p.m. (after 1 minute @+14 °F to +140 °F [–10 °C to +60 °C])
Tuning steps
5/10 Hz (SSB, CW), 50/100 Hz (AM, FM)
Filters
3 kHz (LSB/USB) 500 Hz (CW) 6 kHz (AM) 16 kHz (FM)

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Receiver

Modulations
AM   FM   CW   USB   LSB   FSK   AFSK  
Sensitivity
SSB/CW (10 dB S+N/N)
0.158 µV (1.8 - 30 MHz) (RF AMP 2 “ON”)
0.125 µV (50 - 54 MHz) (RF AMP 2 “ON”)
0.125 µV (144 - 146 MHz) (RF AMP 2 “ON”)
0.125 µV (430 - 440 MHz) (RF AMP 2 “ON”)
AM (10 dB S+N/N, 30 % modulation @400 Hz)
28 µV (0.1 - 1.8 MHz) (RF AMP 2 “ON”)
2 µV (1.8 - 30 MHz) (RF AMP 2 “ON”)
1 µV (50 - 54 MHz) (RF AMP 2 “ON”)
FM (12 dB SINAD)
0.5 µV (1.8 - 30 MHz) (RF AMP 2 “ON”)
0.25 µV (50 - 54 MHz) (RF AMP 2 “ON”)
0.18 µV (144 - 146 MHz) (RF AMP 2 “ON”)
0.18 µV (430 - 440 MHz) (RF AMP 2 “ON”)
Selectivity
Mode –6 dB / –60 dB
SSB/CW (Width=2.4 kHz) 2.4 kHz or better / 3.6 kHz or less
CW-N (Width =500 Hz) 0.5 kHz or better / 750 Hz or less
AM 6 kHz or better / 15 kHz or less
FM 12 kHz or better / 30 kHz or less
FM-N 9 kHz or better / 25 kHz or less
Receiver system
SSB/CW/AM: Tripe conversion FM: Double conversion
IF-frequencies
69.450 MHz
9.000 MHz (SSB, CW, AM)
24 kHz (SSB, CW, AM)
450 kHz (FM)
Image rejection
70 dB or better (1.8 MHz - 50 MHz Amateur bands) 60 dB or better (144/430 MHz Amateur band)
Audio output
2.5 W into 4 Ohms with 10% THD

Transmitter

Modulations
AM   FM   CW   USB   LSB   FSK   AFSK  
RF-Output
HF: 5-100 W, VHF/UHF: 5-50 W

Connections

Antenna
SO-239
Impedance
50Ω

Electrical

Power requirements
13.8 V DC
Current drain RX
2.2 A max
TX
22 A max

Physical

Dimensions (w×h×d)
224 × 76 × 250 mm (8.82 × 2.99 × 9.84 in)
Weight
4.30 kg (9.5 lbs)
Form factor
Mobile
Manufactured
Between 2016 and 20xx

Other features

Memories
-
Usage
Amateur / Ham radio operators
Features + options
3.5 Inch Full Color TFT
Accessories
-

Manuals, diagrams and brochures

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