| GENERAL |
| Type: |
Amateur HF/VHF/UHF transceiver (System fusion concept) |
| Frequency range: |
TX: 10-160 m + WARC / 6 m / 2 m / 70 cm
RX: 0.03-56 / 118-164 / 420-470 MHz |
| Tuning steps: |
5 / 10 / 100 Hz, 1 KHz |
| Frequency stability: |
±0.5 ppm @ -10 to +50°C (14 to 122°F), after 1 minute warmup |
| Mode: |
AM / FM / NFM / SSB / CW / RTTY / PSK / DV (C4FM) |
| Channels / memory management: |
99 regular with alpha tags (12 characters)
9 PMS (Band edge pairs)
5 QMB (Quick Memory Banks)
Non-volatile EEPROM storage |
| Repeater shift/offset: |
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) |
| Power supply: |
13.8 VDC ±15% |
| Current drain / power consumption: |
RX: 1.8 to 2.2 A
TX: Max 23 A |
| Antenna impedance / connector: |
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) |
| Dimensions (W*H*D): |
229*80*253 mm (9*3.2*10") |
| Weight: |
4.3 Kg (9.5 lb) |
| Other features: |
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 |
| Receiver system: |
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 |
| Sensitivity: |
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 |
| Squelch sensitivity: |
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) |
| Noise figure: |
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| Selectivity: |
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) |
| Image rejection: |
HF/6 m: 70 dB
2 m/70 cm: 60 dB |
| AF output power / speaker: |
2.5 W at 10% distortion / 4 ohm |
| External speaker connector: |
3.5 mm, 4-8 ohm |
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| TRANSMITTER SECTION |
| RF output power: |
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HF |
6 m |
2 m |
70 cm |
| AM: |
2-25 W |
2-25 W |
1-12 W |
1-12 W |
| FM/NFM: |
5-100 W |
5-100 W |
2-50 W |
2-50 W |
| SSB (PEP): |
5-100 W |
5-100 W |
2-50 W |
2-50 W |
| CW (DC): |
5-100 W |
5-100 W |
2-50 W |
2-50 W |
| RTTY/PSK: |
5-100 W |
5-100 W |
2-50 W |
2-50 W |
| DV (C4FM): |
5-100 W |
5-100 W |
2-50 W |
2-50 W |
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| Modulation system: |
AM: Low-level, early stage
FM: Variable reactance
SSB: Balanced
DV/C4FM: 4-level FSK |
| Max FM deviation (Factory set): |
FM: ±5 KHz
NFM: ±2.5 KHz |
| Spurious emissions: |
HF: Better than -50 dB
6 m: Better than -63 dB
2 m/70 cm: Better than -60 dB |
| Microphone impedance / connector: |
200 ohm to 10 Kohm (600 ohm nominal) / 8-pin (Modular) |
| Microphone input level: |
? mV |
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| MISCELLANEOUS |
| Manufactured: |
Japan, 2016-202x |
| Additional info: |
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:- |
| Related documents: |
User manual (36.3 MB)
GM manual (2.3 MB)
CAT manual (1.4 MB)
Service manual (24 MB) |
