Installation guide

7: Technical Specifications
• LED operation
• Radio frequency and
electrical
specifications
• Environmental
specifications
• Sending GSM
commands to the
network
This chapter describes the operation of the LED and provides
technical data for the AirCard modem.
LED operation
The AirCard modem has a single LED (Light Emitting Diode)
located on the antenna end of the card beneath the SIM slot.
The color (red, green or amber) and state (off, on solid, or
blinking) of the LED indicate the connection status as follows:
Table 7-1: LED operation
LED state How to interpret
Solid
amber
1
The AirCard modem is powering up, or a
firmware download is in progress.
Blinking
amber
The AirCard modem is scanning for service.
Blinking
green
The AirCard modem is in service and registered
on the network.
Blinking red There is a hardware problem.
Off The AirCard modem is powered down.
1. The LED is red/green. The amber color occurs when both red and
green are lit.
Radio frequency and electrical
specifications
Table 7-2: Radio frequency & electrical
specifications
Compliance GSM Release 5
Multi-slot class Class 10, HSDPA CAT 12
Rev 3.4 Apr.06 37