SolarTech Silent Messenger II Mid-Sized Message Board


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The “Silent Messenger II” is a mid-sized message board.
This rugged portable changeable message sign is
designed to provide communications to improve traffic
flow and safety in highway work zones.
The Silent Messenger II consists of a 92” w x 54” h sign
panel with a 27 x 48 pixel full matrix LED display on
a sturdy steel trailer, powered by a combination of solar panels and
batteries. Choose from either a foldable or Lift and Rotate trailer.
The sign includes a GPS receiver, cellular transceiver, and FREE lifetime
cellular service. Use with SolarTech’s Command Center software for
remote communications – messages can be changed and managed
remotely from an office pc or a smartphone. No cellular charges!

Remote Control & GPS Tracking Included

Command Center software allows you to
track your equipment using the built-in
cellular transceiver and GPS system.
Access units from a map or list. Control
units individually or broadcast to a group.
Manage your fleet from your laptop, pc
Keep tabs on your whole fleet. No more misplaced equipment…
fewer problems… less downtime!
or smartphone… without leaving your desk!
You can build a message library, share messages between
boards, schedule messages and more.
Get automatic email notifications when a message changes,
if the battery voltage is low, if a pixel fails, or if the unit moves

Easy-to-Use Controller 

The touch-screen controller needs no manual. – it’s that easy to use!


  • GPS receiver, cellular transceiver and free cellular service for the life of the board
  • Password protection
  • Intuitive icons for ease of use
  • Scheduling capability
  • Fully networkable
  • NTCIP version 2 compatible
  • Automatic software upgrades
SKU: MB-122-3048 Category:
Details for Standard Trailer
Panel Size92″ x 54″ (320 cm x 193 cm) –
27 x 48 pixels 1.75 in. (4.5 cm) pitch
Solar Array160 watts
Remote ControlCellular wireless modem with GPS
BatteriesFour (4) 6-volt heavy-duty, deep-cycle (GC-2)
Battery Charger45 amp output (115 VAC 50/60 Hz input)
Height (transporting position)92″ (234 cm)
Height (operating position)142″ (360 cm)
Weight1,560 lbs. (min) – 1,960 lbs. (max)
Warranty5 Year


Options and Upgrades
Lift and Rotate Trailer
BrakesHydraulic Surge (5,000 lb. capacity) or Electric
AGM or Gel-Cell Maintenance Free BatteriesSix (6) or eight (8) Lead-Acid (flooded) or four (4), six (6) or eight (8) Gel-Cell maintenance-free
Solar Array240 or 320 watt Fixed. 160, 240 or 320 watt Tilt and Rotate
Remote ControlCellular wireless modem with GPS
Radar Speed DetectionMPH or KPH

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