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OVERVIEW
The Tacter-31M Ruggedized Handheld Computer
(RHC) is a multipurpose rugged mobile computer
designed to serve all combat echelons in the modern
digital battlefield. The Tacter-31Ms embedded
communications utilize todays protocols, such as
MIL-STD 188-220, making the terminal a critical
building block for any C4I system. The Tacter-31M
supports simultaneous connectivity to two
independent tactical radio networks, as well as one
LAN and other networks.

The Tacter-31M features an optional SAASM GPS
receiver, offering the soldier vital navigation and
mapping capabilities. The RHCs customer-driven
design provides unique versatility as a vehicle-
mounted solution that is easily removed for
dismounted use.
Powerful capabilities matched with
outstanding versatility.

Intel® Pentium® M 1.8GHz CPU


1GB Internal DDR SDRAM


30GB or 80GB Removable HDD


Internal dual-channel TACLINK 3000 Tactical
modem


SAASM GPS Receiver


Internal L-Band SATCOM (with 10.4 display
configuration)


Available with Windows 2000, Windows XP


(2) Type II or (1) Type III PC card (PCMCIA)
and Secure Digital (SD) expansion slots


(3) USB 2.0 Type A, (1) via MMIO connector


Internal and external stereo sound system


6.4 (VGA) or 10.4 (SVGA) color display


Touch screen operation


Folding keyboard


Ethernet RJ45 or MMIO

ACCESSORIES

Commercial and/or military AC power supplies


Military DC/DC power converters


Rechargeable Lithium-ion batteries


Battery charger


15-cell AA battery adapter


Power cables


Radio cables


Field carrying case


GPS antenna and cables


RS-232 COM cables
Tacter-31M Specifications
ENVIRONMENTAL: (Tested in accordance with MIL-
STD-810E RequirementsQualification completed)
Temperature:
Operating:
-22° to +131°F (-30° to +55°C)
Storage:
-40°F to +149°F (-40° to 70°C)
Altitude
Operational:

15,000 ft w/ 30 GB HD
10,000 ft w/ 80 GB HD
Leakage:
(1) meter of water (6.4 version)
(.6) meter of water (10.4 version)
EMI:
MIL-STD-461E
PHYSICAL:

Dimensions:
7H x 9W x 3D (6.4 version)
8H x 10W x 4D (10.4 version)
Approximate
Weight (w/out
battery):


7 lbs. (6.4 version)
10 lbs. (10.4 version)
FUNCTIONAL
CHARACTERISTICS:

Processor:
Intel
®
Pentium
®
M (Dothan) 1.8GHz
CPU, 400MHz System Bus
Memory:
1GB SDRAM
Hard Disk:
30GB or 80GB Removable HDD, Secure
Digital (SD) Port
Operating System: Windows XP, Windows 2000
Audio:
Stereo speakers and audio I/O
Display:
6.4 or 10.4 sunlight readable VGA LCD
TFT active matrix color display touch
screen, keyboard contrast/brightness
control, stealth mode, NVG compatible
User Input
Interfaces:

Programmable function keys, quick
Zeroize, passive touch screen, folding
QWERTY keyboard, miniature Joystick
mouse, external keyboard and/or mouse
plugs into USB Port
GPS:
SAASM GPS Receiver
Power:
14-16VDC input
Enhanced power management
Power source options:
Rechargeable smart battery w/LED
power level indicator
15-cell AA battery adapter
External DC to DC converter
External AC to DC converter
Powerstick DC to DC Converter
External battery charger
GDC4S-CHS3-07/06
Computing Technologies Division (CTD)
425 John Quincy Adams Road
Taunton, MA 02780-1069
Phone: (1-888) 483-2427 Fax: (508) 880-1623
Web: http://chs3.gdc4s.com
ISO 9001 Registered
This data sheet is for information purposes only. General Dynamics makes no warranties,
express or implied, in this summary. General Dynamics reserves the right to make changes
in its products and specifications at any time and without notice.
Tacter-31M Ruggedized Handheld Computer
INTERFACES:
TACLINK
Dual-Channel
Modem:


MIL-STD 188-220
USB/LAN
Ports:

Sealed door w/Commercial LAN
and (2) Type A USB 2.0 Host/
Slave/RJ45
MMIO Port
Contains:

Rugged connector w/LAN, USB,
audio, COM2
External Video
Port:

High resolution VGA output, 1600
x 1200 max, standard external
SVGA connector
Serial Port:
Standard DB9 serial port
PC Card Slots: (2) Type II or (1) Type III (3.3v or
5v)
Secure Digital: Supported