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RIM Wireless Handheld — User’s Guide
Specifications
134
Power
Temperature
Radio specifications
Ports: RS-232 compatible serial port at
operating speeds up to 115, 200 baud
• Input low -25V to +0.6V; input high
+2.4V to +25V
• Maximum data rate 115, 200 baud
• Port impedance 5kΩ nominal input,
300Ω minimum impedance output
Battery: One replaceable AA alkaline cell and
one internal, rechargeable Lithium Ion
cell
Power Supply: Internal, rechargeable Lithium Ion cell
Operating: -10°C to +60°C
Storage: -40°C to +70°C
Relative Humidity: 5-95% Non-condensing
Network Support 900 MHz Mobitex networks
Interface Protocols: MASC (Mobitex Asynchronous
Communications) protocol