Electrical surroundings parameters

Battery

Voltage 3.7V,Currency 1200mAh

Max.currency

~260mA

Normal  currency

PEAK(120mA)while GPRS DATA EMISSION  OTA

Sleep mode currency

average(5mA),min(80uA)

Charge currency

400mA

Charge time

About  2H

GPS receiver

Channels

66

GSM frequency

1.57542GHz(L1)

RX code

C/A

Cold start

≤50S

Warm start

Hot start

<3S

horizontal ensitivity

5M CEP without SA

Speed sensitivity

0.1m/s without SA

Angle sensitivity

5m(according to the environment)

Capture sensitivity

-120

Tracking sensitivity

-135

update frequency

1 Hz

GSMreceiver

GSM/GPRS frequency

GSM850/EGSM900/DCS1800/PCS1900

Communication protocol

Embedded tcp/ip stack

GSM850

-95

EGSM

-99

DCS1800

-103

PCS1900

-102

Max. TX frequency

CLASS4(2W)@GSM850,EGSM900

CLASS1(1W)@DCS1800,PCS1900

Indicator

SOS button

SOS (press more than 3secs)

Power LED

Red LED

Charging:On

First time start without location:On

Position success:Off

Press SOS : sharp blinking,1s on,1s off,lasting 20secs

Low voltage:slow blinking:1s on.7s off

GSM indicator

Yellow LED  register unsuccessful no blink,register success, blink every 2secs

GPS indicator

Green LED  no blink without position,blink per 2secs when position

Power button

Pree button ON/OFF(every 3secs exchange the status)