Motorola PRM240i Manuel de l'utilisateur - Page 36
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Imprimer la pageSpecifications _________________________________________________ PRM240i Wireless Modem User Manual
Specifications
Weight
Size (L x W x H)
Power/On-Line indicator (Green)
Low Battery Indicator (Red)
Modem to radio network protocol
Modem to terminal (e.g. handheld) protocol
PDA Port
Frequency range
Channel spacing
Data rate
RF output power
Frequency range
Channel spacing
Sensitivity (*)
RSSI
Battery
Protection circuit
Note - Extreme temperature operation will degrade battery life.
Operating temperature
Storage temperature
Relative humidity
(*) Receiver sensitivity excludes influence of the iPAQ Pocket PC RFI emissions. Over-the-air performance varies
with iPAQ model and antenna used.
Motorola
Physical Properties
Approximately 150g
136mm x 82mm x 18mm
(excluding antenna)
LED Indicators
Off -
Slow flashing -
On -
Rapid flashing -
Communication Protocols
RD-LAP 19.2 kbps
RD-LAP 9.6 kbps
Private NCL
Compaq iPAQ 100 pin Expansion Pack
Serial communications interface
Transmitter
806 – 825MHz
25 kHz for RD-LAP 19.2 kbps
12.5 kHz for RD-LAP 9.6 kbps
RDLAP 9.6kbps, 19.2kbps
1.8W nominal (into 50Ω load)
Receiver
851 – 870MHz
25 kHz for RD-LAP 19.2 kbps
12.5 kHz for RD-LAP 9.6 kbps
< -113dB (5% PER conducted, 19.2kbps)
-120dBm ~ -45dBm
Modem Battery
Externally replaceable Li-Ion type
3.6V nominal, 920mA/hour
Prevents overcharge and deep discharge
Environmental Conditions
0°C to 45°C
-20°C to 60°C
5-95% Non condensing
36
Power off
Scanning
Registered
Re-charge battery
68P80802E60-O