
RIM 857 Wireless Handheld
Installation and Getting Started Guide
85
Power
Temperature
Radio specifications
Message
notification:
LED indicator; audible beeper;
mechanical vibrator, on-screen
notification; user-configurable options
Other features:
Real-time clock; audible Alarm;
AutoText and Address Book
Ports:
RS-232-compatible serial port at
operating speeds up to 115 200 baud
Battery:
Internal lithium cell
Recommended
operating
temperature range:
0 to 50
°
C
Recommended
storage temperature
range:
10 to 30
°
C
(
Storage in high temperatures
can damage the internal lithium cell. If
you plan to store the handheld for a
long period of time, contact RIM for
guidance.)
Recommended
relative humidity
parameters:
5 to 95% non-condensing
Network
support:
800 MHz DataTAC networks