FT-790R II

Yaesu
FT-790R II

Specifications

Prices

FM, SSB and CW transceiver for the 440 MHz amateur band. Max power output is 2.5 Watts, with the clip-on amplifier (as photo) is 25 Watts. Powered by dry cell or Ni-Cd batteries and with whip or rubber antenna, completely self-contained and portable. 25Hz min tuning step, noise blanker, receiver clarifier (RIT), CW semi break-in, 10 memory channels, two VFO. Ideated in Japan, year of introduction 1986.

Reference market : amateur-radio

FT-790R II specifications

General

Frequency coverage
Receive	430.0000 ~ 450.0000 MHz [1]
Transmit	430.0000 ~ 450.0000 MHz [1]
Mode
CW / LSB / USB / FM
Tuning step
25 / 100 Hz / 2.5 / 12.5 / 25 / 50 kHz 100 kHz / 1 MHz (up/down)

Receiver

Sensitivity
CW / SSB	0.2 uV (10dB S/N)
FM	0.25 uV (12dB SINAD)
Selectivity
CW / SSB	2.4 kHz (-6dB) 5.2 kHz (-60dB)
FM	12 kHz (-6dB) 25 kHz (-60dB)
Image rejection
>60dB
IF rejection
>70dB
NB (Noise Blanker)
Yes
RIT (Receiver Incremental Tuning)
±1 kHz
Frequency stability
±300 Hz first 30' with temperature +25°C ±50 Hz after 30' with temperature +25°C
IF (Intermediate Frequency)
1°	54.5 MHz
2°	13.9885 MHz
3°	455 kHz (FM only)
CW features
Semi break-in

Transmitter

Output power
FM	0.5 / 2.5 W [2]
Spurious emission
<-60dB
Carrier suppression (SSB)
>40dB
Unwanted sideband suppression (SSB)
>40dB
Maximum deviation (FM)
±5 kHz
Audio response
300~2700 Hz (-6dB)
Microphone
400Ω

Features

Memory
10 memories [3] 2 VFO
Display
100 Hz frequency resolution
Selective calling
1750 Hz tone burst [4] CTCSS (37-tones, option) DTMF (microphone, option)
Antenna
BNC 50Ω (front panel) SO239 50Ω (on FL-7025 power amp.)
Power supply
~12 VDC (9 batteries) [5] 8 ~ 15.8 VDC (external) 12 ~ 15.8 VDC (external, with FL-7025 power amp.)
Power consumption
120 mA RX, typ 1.5A TX, 2.5W power output 8.0A TX, 25W power output (with FL-7025 power amp.)
Audio power
1 W on 8Ω
Audio output
Jack (4~16Ω external speaker)
Connections
8-pin jack (microphone) Jack (CW key) Jack (for FL-7025 power amp.) Contacts (for battery case / power amp.)

Mechanical and environmental data

Dimensions
150 (W) x 57 (H) x 194 (D) mm with battery case
Weight
1.2 kg without batteries

See the following model chart.
At 13.8 VDC, 25 Watts with the FL-7025 optional RF power ampplifier.
Also programmable memory scanning (PMS) between memories 1 and 2.
Unavailable in some models.
Battery case optional in some models.

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FT-790R-II model chart :

Model A
Frequency coverage	430~450 MHz
Repeater shift (FM) [1]	±5 MHz
Tone burst	---
Model B
Frequency coverage	430~440 MHz
Repeater shift (FM) [1]	±7.6 MHz
Tone burst	1750 Hz
Model C
Frequency coverage	430~440 MHz
Repeater shift (FM) [1]	±1.6 MHz
Tone burst	1750 Hz
Model X
Frequency coverage	430~440 MHz
Repeater shift (FM) [1]	±5 MHz
Tone burst	---

The "Split" operation mode is useful for covering other repeater shifts. In this mode you receive on a VFO, while transmitting on the other VFO frequency.

FT-790 series :

The FT-790R transceiver, first introduced in 1982, was upgraded with the FT-790R II (Mark II) version, similar in specifications but with different front panel. The 25 Watts power output, an option in Mark II when used with the FL-7025 clip-on amplifier, is unavailable for the FT-790R.

FT-790R II price

We have collected for your convenience the Yaesu FT790-II sale price (UK Pounds) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.

Price	Date	Condition
GBP 146.90 (165EUR)	2019-dec	Second Hand Perfect working
GBP 133.00 (179USD)	2018-apr	Second Hand Good condition overall, only a bit off-frequency (apx 1 kHz)

FT-790R II review

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