FCC ID: K66FT-857
Operating Manual
Vertex Standard Co., Ltd.
3
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 uV
–
1.8 MHz-28 MHz
0.2 uV
2 uV
–
28 MHz-30 MHz
0.2 uV
2 uV
0.5 uV
50 MHz-54 MHz
0.125 uV
1 uV
0.2 uV
144/430 MHz
0.125 uV
–
0.2 uV
(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 uV
–
28 MHz-30 MHz
2.5 uV
0.32 uV
50 MHz-54 MHz
1 uV
0.16 uV
144/430 MHz
0.5 uV
0.16 uV
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
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 bands only.
Accessories & Options
Supplied Accessories
Hand Microphone MH-31A8J
DC Power Cord