Datasheet

6
5. Interface Function
Pad Type (5V Logic level)
Description
G(GND)
Ground port
EN(ENABLE)
Set low for normal mode as data transceiver (Default is low with 10k to GND).
Set high to put into sleep mode.
CON(CONFIG)
Set low for configuration mode (connect to GND).
Set high for communication (Default is high).
RX
UART Data input
TX
UART Data output
V(VCC)
Designed for 5V(+)supply
AT
Antenna pin