3
1 Introduction
911 Responder is a mobile phone which mainly is used for emergency call. With superior
receiving sensitivity, fast WCDMA frequencies 850/1900 and GSM frequencies
850/900/1800/1900. Based on the embedded wireless protocol, 911 Responder can communicate
with the backend server through WCDMA or GSM/GPRS network, and transfer reports of
emergency, low battery, device information etc…
2 Product Overview
2.1 Appearance
Figure 1-1
2.2 Buttons/Micro USB Interface Description
Button /Micro USB Interface Description
KEY/interface
Description
SOS Key
Power on 911 Responder and make a call
（
If call number is set by user.
Micro USB
interface
Connect a 5V DC adapter can power on 911 Responder and charge the
internal battery
Connect a 3.7V Li-ion or Li-Polymer battery can power on 911 Responder
Backend server developer or administrator can use the data cable to configure
911 Responder
Reset Key
Click the key will turn off internal VBAT when OS is abnormal, and then
press Power Key to restart 911 Responder.
Note: Reset key is invalid when external battery is used.
