are available in many different form factors - Pistol grip
or PDA style, with or without an integrated scanner. Typically
they have a graphics display that is 1/4 VGA size, i.e. 240
x 320 pixels. The memory typically ranges from 32Mb to 64Mb.
You can select either color or monochrome display, batch collection
or RF capable, etc. You can input information using a stylus
and in most cases a built-in keyboard. The keyboard could
be numeric or alphanumeric. Examples
of these are Symbol's MC3000, MC9000; Intermec's Series 700,
720, 730, CN2, CN30; PSC's
Based Data Collectors
are traditional key based portable data collectors that are
available with or without an integrated scanner. These come
in different number of keys - 22 key, 35-key, 46-key, etc.
The display allows you to display only text and the number
of lines of text generally varies between 4 and 8. The memory
typically varies from 512K to 7.6M. The portables are available
for batch as well as wireless operation. Some of the portables
are have pistol grips. These devices
are time tested and very robust. Examples of these are Symbol's
PDT 3100, PDT 6100; PSC Falcon, etc.
Palm OS Data Collectors
are graphic PDA style portable data collectors that use the
Palm Operating System. Different versions are available for
batch and RF applications. that are available with or without
an integrated scanners. Information is entered using the scanner
and stylus but in some cases an optional keypad is available.
A few data-collection programs, such as On
Hand are available off-the-shelf but most applications
are custom developed. Examples of these
are Symbol's SPT1500, SPT1700/1800.
Key based Portable Data Collectors
are other key based portables that use a proprietary Operating
System and Development Systems. These are available with an
integrated laser or CCD scanner. Most
of these portables come with development tools that you can
use to develop your application. Alternatively, you can have
us develop custom applications. Examples of these are Metrologic
ScanPal 2; Opticon PHL-2700, OPL 9723/9724/9725.