Yaesu FT-840 Desktop Shortwave Transceiver

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Blending the high performance digital frequency synthesis techniques from the Yaesu FT-890 with the operating convenience and affordability of the FT-747GX, the FT-840 adds a choice of two optional remote automatic antenna tuners and a wealth of convenient functions. For compact base and mobile stations, the FT-840 set the new standard for high-performance affordable transceivers. As a first-time rig, back-up or main station transceiver, the FT-840 has the features and dependability that both beginners and seasoned operators will appreciate.

Low Noise Receiver
The receiver section of the FT-840 includes direct feed to the first mixer, for excellent rejection of intermodulation. The careful design yields a highly sensitive receiver that is renowned for its "quiet" performance.

Ease of Operation
Without the clutter and complexity of some other rigs, the FT-840's outstanding ergonomics mean you always find the button or control you need quickly. The reduced number of keys also means that there is a greater proportion of the front panel space dedicated to the display than on competing rigs.

IF Shift
To help reduce interference on SSB or CW, the IF Shift feature allows you to move the center frequency of the passband around, rolling off interference from either the high or low side. Once a feature only found on top of the line transceivers, it's here for you on the FT-840!

Direct Digital Synthesis (DDS)
The lightning-fast DDS system provides instant lock time for the synthesizer, along with ultra-fine tuning steps, for silky-smooth tuning similar to that found on older analog VFOs.

Computer Control Capability
The FT-840 supports Yaesu's CAT System for computer control. Use your favorite logging program to read your current operating frequency, or send frequency commands based on "spots" from your local packet cluster.

Frequency range

0.1-30 MHz
10-160 m + WARC
HAM bands
160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m 
Tuning steps


AM   FM   CW   SSB  
Receiver system
Image rejection
Audio output


AM   FM   CW   SSB  
SSB/CW: 100 W, AM: 25 W




Power requirements
13.8V DC
Current drain RX
Max 1.4 A
Max 20 A


Dimensions (w×h×d)
238 × 93 × 243 mm (9.37 × 3.66 × 9.57 in)
4.50 kg (9.9 lbs)
Form factor
Base Station
Between 1993 and 199x

Other features

Amateur / Ham radio operators
Features + options

Manuals, diagrams and brochures

Yaesu FT-840-Brochure submitted by RigReference
Yaesu FT-840 Schematic Diagram submitted by RigReference
Yaesu FT-840 Technical Supplement submitted by RigReference
Upload relevant documents
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Reviews & stories

Great Beginners Rig

Yaesu FT-840, Desktop Shortwave Transceiver

Hard to beat this rig. It is short on features but it does everything it was designed to do very well.

I loved mine!

Written by KA9MOT on Aug 11, 2012

Build quality
User friendlyness
Value for money
Good condition in 2004
USD 350.00

Can't go wrong with this rig

Yaesu FT-840, Desktop Shortwave Transceiver

I've had mine since Dec 2011. I use it daily. Simple but affective. Solidly built for both mobile and base station use. The receive audio is excellent. Good reports on my transmit audio using a MC-50 microphone. I have an external DSP (Timewave DSP-9+) for use during contests. Very good rig for about $400.00 used.

Written by NH6RF on Jul 12, 2013

Build quality
User friendlyness
Value for money
Good condition in 2011
USD 280.00

Dependable and great audio

Yaesu FT-840, Desktop Shortwave Transceiver

I have owned my 840 since its last year of production and it has never needed a repair as of March of 2017! I primarily use it for cw and have the 500 hz filter installed and the filter for AM phone.The only feature I wish it had was vox but being a cw op primarily no big deal. I don't miss a keyer as I only use bugs and straight keys. I consider the receiver section to be quite good and I also use it for swling.A nice dependable little rig. I constantly get positive comments on the xmit audio on both am and ssb with the MD 100 mike.

Written by wa1ufo on Mar 6, 2017

Build quality
User friendlyness
Value for money
Mint condition in 2017
USD 700.00

What is it worth?

Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the current value of the Yaesu FT-840. Just bought or sold this model? Let us know what you traded it for and help other ham operators!

Based on historic data, today's value of the Yaesu FT-840 might be around:

  • USD 324.00
  • EUR 238.00
  • GBP 148.00
Price Condition Year User
USD 350.00 Used / Good 2004 KA9MOT
GBP 470.00 Used / Mint 2008 HT Performance
USD 400.00 Used / Good 2010 KC2UGV
USD 400.00 Used / Good 2010 eBay
USD 280.00 Used / Good 2011 NH6RF
EUR 250.00 Used / Poor 2015 Ruediger
USD 330.00 Used / Good 2016 RHB

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