User's Manual

A7608SA-H_User Manual_V1.00
2022-08-26
Smart Machine Smart Decision
● AT+CFUN=4: Flight mode
If A7608SA-H has been set to minimum functionality mode, the RF function and USIM card
function will be closed. In this case, the serial port and USB are still accessible, but RF function
and USIM card will be unavailable.
If A7608SA-H has been set to flight mode, the RF function will be closed. In this case, the serial
port and USB are still accessible, but RF function will be unavailable.
When A7608SA-H is in minimum functionality or flight mode, it can return to full functionality by
the AT command “AT+CFUN=1”.
5.4 Current Consumption
The current consumption is listed in the table below.
Table 33: A n t e nn a G a i n ( dB i )
Technology
Standard
Antenna Gain(dBi)
GSM
850
2
GSM
1900
3
WCDMA
band 2
3
WCDMA
Band 5
2
LTE
band 2
3
LTE
Band 4
6
LTE
band 5
2
LTE
band 41
9
LTE
band 66
6
5.5 ESD Notes
A7608SA-H is sensitive to ESD in the process of storage, transporting, and assembling. When
A7608SA-H is mounted on the users’ mother board, the ESD components should be placed beside
the connectors which human body mayt touch, such as USIM card holder, audio jacks, switches,
keys, etc. The following table shows the A7608SA-H ESD measurement performance without any
external ESD component.
Table 34: The ESD performance measurement table (Temperature: 25
℃
, Humidity: 45%)
Part
Contact discharge
Air discharge
VBAT,GND
+/-6K
+/-12K