MTR3b_LCD Mountain Topper


Out of stock


This is the same Mountain Topper MTR3b that you know and love but with new added features!!

The Mountain Topper Rigs are designed to be a very small, light weight, very battery efficient, multi-band CW rig suitable for field operation. The small size and low weight make this rig ideal for SOTA operators and backpackers.


  • 3 band operation – 40/30/20
  • Wide power supply operation – 6V to 12V
  • Low operating current – 20 ma @ 6V, 15 ma @ 12V
  • 5+ Watts out at 12V supply, 2.5-3W at 9V supply
  • Easy to read 2 line LCD display with back lighting.
  • Push button tuning and audio limiting eliminates protruding knobs.
  • Iambic B mode keyer, 9 to 31 WPM range in 1 WPM steps.
  • Three, 63 character message memories with beacon mode.
  • Optional decoding and display of Morse being sent via paddle. Know your sending good code.
  • Built in 24 hour real time clock.
  • Battery back up restores last used settings on power up.


Receive MDS: ~ 0.2 uV

Small signal BW ~ 400 Hz

Audio BPF center ~ 650 Hz

Receive current:

~20 mA at 9.0 V

~15 mA at 12.0 V

Typical Transmitter power:

~ 3 watts at 9.0 V, 500 mA

~ 5 watts at 12.0 V, 700 mA

Spurious emissions: -50 dBc or better

Frequency accuracy: +/- 20 Hz, +/-10 Hz or less typical

Drift – negligible

DC Jack: 0.7mm X 10mm Center plus

Antenna jack: BNC

Size: 3.771” x 2.509” x .966” (LWH)

Weight: 4.4 ounces.

Power requirements:
6 volts minimum, 12 volts maximum.
Power jack: 1.7 mm center hole, 4 mm diameter, 10 mm (or longer) length.



Additional information

Weight 400 g


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