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Last modified 2023-09-16

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Yaesu FT-790R II

A picture of Yaesu FT-790R II

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range: Europe
TX: 430-440 MHz
RX: 430-440 MHz
USA
TX: 430-450 MHz
RX: 430-450 MHz
Tuning steps:FM: 12.5 / 25 / 50 KHz
SSB/CW: 25 / 100 Hz, 2.5 KHz
Frequency stability: 300 Hz during the first 30 minutes after power on
50 Hz thereafter (At room temperature)
Mode:FM / SSB / CW
Channels / memory management: 10 regular
1 call (USA only)
1 scan edge pair (PMS)
RAM storage with lithium battery backup
Repeater shift / offset: Europe
1.6 or 7.6 MHz
USA
5 MHz
(Other offsets are possible by using VFO A/B split)
Power supply:8-15.8 VDC (12-15.8 VDC with optional FL-7025)
Current drain / power consumption:RX: 120 mA
TX: Max 1.5 A (Max 8 A with optional FL-7025)
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):150*57*194 mm (5.91*2.24*7.64")
Weight:1.2 Kg (2.65 lb), with FBA-8
2.1 Kg (4.63 lb), with optional FL-7025
Other features:NB. 1750 Hz repeater tone (Europe). Backlit display.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne (SSB/CW)
1st IF: 54.5 MHz
2nd IF: 13.9885 MHz
Triple conversion superheterodyne (FM)
1st IF: 54.5 MHz
2nd IF: 13.9885 MHz
3rd IF 455 KHz
Sensitivity: FM: 0.25 uV (12 dB SINAD)
SSB/CW: 0.2 uV (10 dB S/N)
Selectivity: FM
12 KHz (-6 dB)
25 KHz (-60 dB)
SSB/CW
2.4 KHz (-6 dB)
5.2 KHz (-60 dB)
Image rejection:60 dB
AF output power / speaker:1 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power:

HighLow
FM:2.5 W? mW
SSB (PEP):2.5 W? mW
CW:2.5 W? mW
Modulation system:FM: Variable reactance
SSB: Balanced
Max FM deviation (Factory set):5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:400 ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 19xx-19xx (Discontinued)
Additional info:New price 1991 in Sweden: SEK 6769:-
Related documents:User manual (10.5 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
CSC-19
FBA-8
FL-7025
FP-700
FP-700S
FTE-2
FTS-7
MF-1A3B
MH-10E8
MH-10F8
MH-15C8
MMB-31
NC-26B
NC-26C
NC-26D
SB-10
SP-55
YH-1
YHA-44D
Soft case. For use with FBA-8
Battery case. For nine LR14 / C batteries
Snap-on linear amplifier. 25 W
AC power supply. For FL-7025
External AC power supply
1750 Hz repeater tone unit (Installed in European versions)
CTCSS/PL unit
Flexible boom microphone
Standard hand microphone
Scanning speaker-microphone
Scanning microphone with DTMF keypad
Mobile mounting bracket
NiCd charger (117 VAC)
NiCd charger (220 VAC)
NiCd charger (234 VAC)
PTT switch unit for YH-1 / MF-1A3B
External speaker
Headset
Rubber flex antenna