Antenna Connection; System0 - Sierra Wireless AirPrime XS1110 User Manual

Development Kit User Guide
Rev 2.0 Apr.20

Antenna Connection

The RF SMA connector is used to connect an external antenna for the XS1110
module.
Figure 3-2: RF SMA Connector
Table 3-2: Antenna Connector Details
Component
RF SMA Connector

SYSTEM0

The SYSTEM0 header is used to set whether transmissions are done via UART
or I2C.
Figure 3-3: SYSTEM0 Header
Table 3-3: SYSTEM0 Details
Component
2-pin header
To set transmission selection to UART, disconnect jumper on SYSTEM0 for
SYSTEM0 pins to pull high (default).
8
PCB Label Description
SMA1 External antenna connector for the XS1110
module
PCB Label Description
•
P20 Transmission selection (UART or I2C)
•
SYSTEM0 : 0=I2C ; 1=UART
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