Ultra SAM4W User Guide V1.3
6
Ver1.3
2.2 Right Side Panel
A.
MAIN ANT - Main Antenna Connector
Main RF Antenna (SMA-F); Customer should use provided Antenna for connection.
B.
DIV ANT. - Aux/DIV Antenna Connector
Auxiliary antenna connection, RX antenna, improve the radio sensitivity
(Caution: DIV Antenna, should point at a different direction compared to Main Antenna to improve
Diversity Gain, Isolation and reduce mutual interaction.)
C.
SERIAL - Serial Port / PAD Port
Serial Port between external device and UltraSAM4W. PAD feature is supported.
D.
RESET - Reset Button Hole
Long press (longer than 5 seconds) to perform factory reset. After factory reset, modem will
automatically restart. Note remote login will be disabled after factory reset.
A
B
C
D