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GENERAL
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Type:
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Amateur HF/VHF/UHF transceiver (System fusion concept)
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Frequency range:
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TX: 10-160 m + WARC / 6 m / 2 m / 70 cm
RX: 0.03-56 / 118-164 / 420-470 MHz
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Tuning steps:
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5 / 10 / 100 Hz, 1 KHz
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Frequency stability:
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±0.5 ppm @ -10 to +50°C (14 to 122°F), after 1 minute warmup
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Mode:
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AM / FM / NFM / SSB / CW / RTTY / PSK / DV (C4FM)
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Channels / memory management:
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99 regular with alpha tags (12 characters)
9 PMS (Band edge pairs)
5 QMB (Quick Memory Banks)
Non-volatile EEPROM storage
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Repeater shift/offset:
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10 m: ±10 KHz to 1 MHz (10 KHz steps)
6 m: ±10 KHz to 4 MHz (10 KHz steps)
2 m: ±10 KHz to 4 MHz (10 KHz steps)
70 cm: ±10 KHz to 10 MHz (10 KHz steps)
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Power supply:
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13.8 VDC ±15%
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Current drain / power consumption:
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RX: 1.8 to 2.2 A
TX: Max 23 A
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Antenna impedance / connector:
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50 ohm (Tuner on, HF: 16.7-150 ohm, 6 m: 25-100 ohm) / Two SO-239
(One SO-239 + one N-jack for Europe)
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Dimensions (W*H*D):
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229*80*253 mm (9*3.2*10")
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Weight:
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4.3 Kg (9.5 lb)
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Other features:
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3.5" color touchscreen. CTCSS/PL and DCS. High speed spectrum scope.
32-bit IF-DSP. Built-in automatic antenna tuner. USB connector.
CAT & GPS connector.
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RECEIVER SECTION
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Receiver system:
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Double conversion superheterodyne (FM/NFM/C4FM)
1st IF: 69.450 MHz
2nd IF: 450 KHz
Triple conversion superheterodyne (AM/SSB/CW)
1st IF: 69.450 MHz
2nd IF: 9 MHz
3rd IF: 24 KHz
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Sensitivity:
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AM (6 KHz - 10 dB S+N/N)
0.5-1.8 MHz: 5 uV (Amp 2 on)
1.8-30 MHz: 1.6 uV (Amp 2 on)
50-54 MHz: 1.25 uV (Amp 2 on)
FM (15 KHz - 12 dB SINAD)
28-30 MHz: 0.35 uV (Amp 2 on)
50-54 MHz: 0.35 uV (Amp 2 on)
144-148 MHz: 0.18 uV
430-440 MHz: 0.18 uV
SSB/CW (2.4 KHz - 10 dB S+N/N)
1.8-30 MHz: 0.158 uV (Amp 2 on)
50-54 MHz: 0.125 uV (Amp 2 on)
144-148 MHz: 0.11 uV
430-450 MHz: 0.11 uV
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Squelch sensitivity:
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AM/SSB/CW
10-160 m / 6 m: 1 uV (Treshold, Amp2 on)
2 m / 70 cm: 1 uV (Treshold)
FM
10 m / 6 m: 0.35 uV (Treshold, Amp2 on)
2 m / 70 cm: 0.125 uV (Treshold)
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Noise figure:
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Selectivity:
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AM
6 KHz (-6 dB)
15 KHz (-60 dB)
FM
12 KHz (-6 dB)
30 KHz (-60 dB)
SSB
2.4 KHz (-6 dB)
3.6 KHz (-60 dB)
CW/RTTY/PKT
500 Hz (-6 dB)
750 Hz (-60 dB)
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Image rejection:
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HF/6 m: 70 dB
2 m/70 cm: 60 dB
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AF output power / speaker:
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2.5 W at 10% distortion / 4 ohm
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External speaker connector:
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3.5 mm, 4-8 ohm
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TRANSMITTER SECTION
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RF output power:
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HF
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6 m
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2 m
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70 cm
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AM:
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2-25 W
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2-25 W
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1-12 W
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1-12 W
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FM/NFM:
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5-100 W
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5-100 W
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2-50 W
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2-50 W
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SSB (PEP):
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5-100 W
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5-100 W
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2-50 W
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2-50 W
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CW (DC):
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5-100 W
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5-100 W
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2-50 W
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2-50 W
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RTTY/PSK:
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5-100 W
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5-100 W
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2-50 W
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2-50 W
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DV (C4FM):
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5-100 W
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5-100 W
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2-50 W
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2-50 W
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Modulation system:
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AM: Low-level, early stage
FM: Variable reactance
SSB: Balanced
DV/C4FM: 4-level FSK
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Max FM deviation (Factory set):
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FM: ±5 KHz
NFM: ±2.5 KHz
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Spurious emissions:
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HF: Better than -50 dB
6 m: Better than -63 dB
2 m/70 cm: Better than -60 dB
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Microphone impedance / connector:
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200 ohm to 10 Kohm (600 ohm nominal) / 8-pin (Modular)
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Microphone input level:
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? mV
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MISCELLANEOUS
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Manufactured:
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Japan, 2016-202x
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Additional info:
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This is an updated FT-991 with realtime bandscope and multi-colored waterfall.
New price 2021 in Sweden: SEK 15995:-
New price, july 2022 in Sweden: SEK 16995:-
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Related documents:
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User manual (36.3 MB)
GM manual (2.3 MB)
CAT manual (1.4 MB)
Service manual (24 MB)
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