Specifications _________________________________________________ PRM240i Wireless Modem User Manual

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 50Ω 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.

Motorola

36

68P80802E60-O

Page 36
Image 36
Motorola PRM240 i user manual Specifications