TJ-3400UM Business Radio


TJ-3400UM UHF (440-470 MHz)
  • Choice of 1, 2, 3, or 4 Channels
  • 2 Watts Power Output
  • Choice of 56 Business Exclusive Frequencies
  • LCD Display with Backlight
  • Call Alert
  • Roger Beep
  • Voice Inversion Scramble
  • Power Save
  • Privacy Codes (53 CTCSS/104 DCS)
  • VOX
  • Scan
  • 1 Watt Audio Output
  • Rechargeable Battery (1800 mAh Li-Ion)
  • IP-54 Certified


TJ-3400UM Business Radio

The Maxon TJ-3400UM Radios are durable, lightweight, and easy to use. These versatile radios are pre-programmed to the most common commercial frequencies. This radio will provide an efficient operation for uses in construction, education, manufacturing, hospitality, property management, and many other applications.

This radio is the complete package for your business needs. The Maxon TJ-3400UM package comes complete with the radio and also the antenna, battery, charger, belt clip, and user manual. As long as you have your radio, you’ll never find yourself out of touch with your staff again.

While the Maxon TJ-3400UM is great alone, it can also be paired with optional accessories to further benefit the needs of the user. As a result, combining this radio with our variety of audio accessories can provide the exact fit you need for use. See the accessories tab below for more details.

If you have questions about the Maxon TJ-3400UM Radio, please contact us.


Compander Circuitry allows for operation with CLS Series.

Clear-to-talk (CTT) technology prevents missed communications.

Same 2-pin audio connector as used in CLS Series



TJA-1800LI – 1800 mAh Li-Ion Battery


TJA-342 – UHF (450-470 mHz) 2 1/8″ Antenna, Male SMA


TJA-300L – Single Slot Rapid Rate Desktop Charger (PS-300L)
ACC-600TJ3 – Single Slot Vehicular Charger (mounting hardware; 12v plug)
TJA-6110S – 6 Unit Gang Charger – Individual Charger Style


TA-836X – Standard Speaker Microphone
TA-850X – Heavy Duty Speaker Microphone
TA-855X – Heavy Duty Speaker Microphone w/Hi/Lo Volume Control
TA-817X – “D” Style Over the Ear Speaker w/lapel mic/PTT
TA-818X – Discreet (clear audio cord) Ear Speaker w/lapel mic/PTT
TA-819X – “C” Style Earhook Speaker w/lapel mic/PTT
TA-820X – Behind the Head Frame w/boom mic in-line/PTT
TA-890X – Dual Muff Headset & Cord (2 Pin)


TJA-30NC – Nylon Carrying Case
TJA-30BC – Spring Loaded Belt Clip


ACC-331/N – Programming Software
ACC-3320E – Programming Cable (USB)


TJ-3000 Series Owners Manual Addendum – DOWNLOAD

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