GT863-3GG Product Description
80269ST10077a Rev.0
–
2010-09-22
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved.
Page 23 of 37
Green LED
Suggested application
displays the operating status of GT863-3GG
The Green LED control by GPIO-19 of the Telit modem
Green LED
status
Device Status
permanently ON
Unit active
fast interrupt sequence
(period 1s, Ton 1s)
Error:
Net search / Not registered
OFF for 1s and then ON
Unit get phone call
permanently OFF
device off
Table 4: Suggested application for GREEN LED Status
6.7.
Antenna Type
6.7.1.
GSM/WCDMA antenna
The antenna that the customer chooses to use should fulfill the following
requirements:
Frequency range
Depending by frequency band(s) provided by the network operator, the
customer shall use the most suitable antenna for that/those band(s)
Bandwidth
70 MHz in GSM850, 80 MHz in GSM900, 170 MHz in DCS & 140 MHz PCS
70 MHZ in WCDMA850, 80 MHz in WCDMA900, 140 MHz in WCDMA1900
& 250 MHz in WCDMA2100 band
We recommended 4 types of GSM antennas with SMA connector:
-
900/1800Mhz 2.5dBm 3 meter cable part number EZantenna2.5db3M9001800.
-
850/1900Mhz 2.5dBm 3 meter cable part number EZantenna2.5db3M8501900.
-
900/1800/1900Mhz 1dBm 5 cm 90 degree SMA part number
EZantenna1db5m90018001900SMA.
-
900/1800/1900Mhz 1dBm 5 cm for internal assembly part number
EZantenna1db3M90018001900int.
