Yaesu FT-891
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| Frequency | TX: 160–10 m + 6 m (amateur), RX: 0.03–56 MHz |
| Bands | 160m, 80m, 60m, 40m, 30m, 20m, 17m, 15m, 12m, 10m, 6m |
| TX power | 100 W (100W SSB/CW/FM. 25W AM. Diecast chassis with thermostatically-controlled dual internal fans.) |
| Modes | USB, LSB, CW, AM, FM |
| Weight | 1.9 kg (4.2 lb) - 1.9 kg (4.18 lbs). Dimensions: 155×52×218 mm (6.1×2.0×8.6 inches). Ultra-compact. |
| Connector | SO-239 |
| Year | 2016 |
| antenna | SO-239 |
| mic | modular microphone |
| key | key/paddle (3.5mm) |
| cat | rear USB port (CAT control + firmware); digital-mode audio via optional SCU-17 or similar |
| ext spkr | external speaker |
| atas | ATAS antenna control |
| tuner | FC-50 tuner control |
| dc in | DC 13.8V +/-15% 23A |
| power req | DC 13.8V ±15%. 23A TX max, 2.0A RX. |
100 W in 1.9 kg, with 32-bit IF DSP, a 3 kHz roofing filter and a TCXO (+/-0.5 ppm) all standard. It has a detachable panel, a quick spectrum scope, an available FC-50 ATU, ATAS compatibility, a diecast chassis with dual fans, and a 3-year US warranty. It is current production, and the DSP removes the need for crystal filters.
HF/6 m only (no VHF/UHF; the FT-857D covered all bands). No color display, waterfall or touchscreen. No built-in ATU (the FC-50 is an optional extra). No built-in USB audio codec - digital-mode audio needs the optional SCU-17 or a third-party interface. A single antenna port. A small display and dense menus.
A modern compact 100W HF/6m. The FT-891 takes the FT-857D's ultra-compact form factor and fills it with modern technology: 32-bit IF DSP at 3000 MIPS, a 3 kHz roofing filter, and a TCXO, all standard. The DSP removes the need for crystal filters. At 1.9 kg it is Yaesu's affordably priced answer for 100W HF/6m in a truly compact package; the trade-off versus the FT-857D is no VHF/UHF, but much better receiver technology.
The Yaesu FT-891 is a current ultra-compact HF and 6-meter mobile transceiver that has become a go-to radio for portable and vehicle operating. It covers 160 through 6 meters at 100 watts (25 watts on AM) in SSB, CW, AM, and FM, in a rugged, very small chassis with a detachable front panel. First shown at the 2016 Dayton Hamvention, it pairs a triple-conversion receiver and a 3 kHz roofing filter with a high-performance 32-bit floating-point DSP.
For its size it offers serious capability: a general-coverage receiver tuning roughly 30 kHz to 56 MHz, a factory-fitted TCXO for ±0.5 ppm frequency stability, and the kind of strong-signal handling that suits DXing and contesting. It has no internal antenna tuner — a common pairing is an external automatic tuner — which helps keep the radio tiny and affordable. Its blend of power, performance, and pocketable size makes it a favorite for Parks on the Air and field operating.
It is a current product. Compare it with the larger FT-857D and the modern FT-710.