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Yaesu FT-991A

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HF/VHF/UHF All Mode Transceiver

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.

Specifications
Type
Mobile Amateur HF Transceiver 
Frequency range RX
0.3-56 / 118-164 / 420-470 MHz 
TX
1.8-54 / 144-148 / 430-450 MHz 
Frequency 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) 
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
4.30006 kg (9.5 lbs)  
Form factor
Mobile 
Manufactured
Between 2016 and 20xx  
Other features
Memories
Usage
Amateur / Ham radio operators 
Manufacturer
Yaesu 
Model
FT-991A
Features
3.5 Inch Full Color TFT 
Manuals, Diagrams and Brochures
 
None available  
 
 
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