Motorola PRM240 i - Manual (Page 36)

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