Yaesu FT-857D

General
• Frequency Range: Receive: 0.1-56 MHz, 76-108 MHz, 118-164 MHz,
420-470 MHz
Transmit: 160 – 6 Meters, 2 Meters,
70 Centimeters (Amateur bands only)
• Emission Modes: A1 (CW), A3 (AM), A3J (LSB/USB), F3 (FM),
F1 (9600 bps packet), F2 (1200 bps packet)
• Synthesizer Steps (Min.): 10 Hz (CW/SSB), 100 Hz (AM/FM/WFM)
• Antenna Impedance: 50 Ohms, Unbalanced
• Operating Temp. Range: 14 ºF to 140 ºF (–10 °C to +60 °C)
• Frequency Stability: ±4 ppm from 1 min. to 60 min after power on.
@25 °C: 1 ppm/hour
±0.5 ppm/1 hour @25 °C, after warmup
(with optional TCXO-9)
• Supply Voltage: Normal: 13.8 VDC ±15 %, Negative Ground
• Current Consumption: Squelched: 550 mA (Approx.)
• Receive: 1 A
• Transmit: 22 A
• Case Size (W x H x D): 6.1” x 2.0” x 9.2” (15,5 x 5,2 x 23,3 Cm)
• Weight (Approx.): 4.6 lb. (2.1 kg)
Transmitter
• RF Power Output: SSB/CW/FM AM Carrier
(@13.8 V DC) 1 60- 6 M: 100 W 25 W
2 M: 50 W 12.5 W
70 CM: 20 W 5 W

• Modulation Types: SSB: Balanced Modulator,
AM: Early Stage (Low Level),
FM: Variable Reactance
• FM Maximum Deviation: ±5 kHz (FM-N: ±2.5 kHz)
• Spurious Radiation: –50 dB (1.8-29.7 MHz)
–60 dB (50/144/430 MHz)
Carrier Suppression: >40 dB
• Opp. Sideband Suppression: >50 dB
• SSB Frequency Response: 400 Hz-2600 Hz (–6 dB)
• Microphone Impedance: 200-10k Ohms (Nominal: 600 Ohms)

Receiver
• Circuit Type: : Double-Conversion Superheterodyne (SSB/CW/AM/FM)
Superheterodyne (WFM)
• Intermediate Frequencies: : 1st: 68.33 MHz (SSB/CW/AM/FM); 10.7 MHz (WFM)
2nd: 455 kHz

• Sensitivity: : SSB/CW AM FM
100 kHz-1.8 MHz – 32 µV –
1.8 MHz-28 MHz 0.2 µV 2 µV –
28 MHz-30 MHz 0.2 µV 2 µV 0.5 µV
50 MHz-54 MHz 0.125 µV 1 µV 0.2 µV
144/430 MHz 0.125 µV – 0.2 µV
(SSB/CW/AM = 10 dB S/N, FM = 12 dB SINAD)

• Squelch Sensitivity: : SSB/CW/AM FM
100 KHz-1.8 MHz – –
1.8 MHz-28 MHz 2.5 µV –
28 Hz-30 MHz 2.5 µV 0.32 µV
50 Hz-54 MHz 1 µV 0.16 µV
144/430 MHz 0.5 µV 0.16 µV

• Image Rejection: : HF/50 MHz: 70 dB,
144/430 MHz: 60 dB
• IF Rejection: : 60 dB
• Selectivity (–6/–60 dB): : SSB/CW: 2.2 kHz/4.5 kHz
AM: 6 kHz/20 kHz
FM: 15 kHz/30 kHz
FM-N: 9 kHz/25 kHz
SSB (optional YF-122S installed): 2.3 kHz/4.7 kHz (–66 dB)
CW (option YF-122C installed): 500 Hz/2.0 kHz
CW (option YF-122CN installed): 300 Hz/1.0 kHz

• AF Output: : 2.5 W (@4 Ohms, 10% THD or less)
• AF Output Impedance: : 4-16 Ohms

Specifications are subject to change without notice, and are guaranteed within the amateur band only