FCI Antenna

Most of the info on this page is proprietary and confidential to the manufacturer. Do not distribute!!!

Hardware

IO Port

Pin	Name	Direction	Description
2	AHC_PWR_EN	IN	Connect to DGND to turn off the antenna head, leave floating (or pull to 12V) to turn on antenna head
3	PAT_CLK_232	OUT	RS232 Levels, Antenna pattern change indicator
5	DGND
9	EXT_TX_232	IN	RS232 Levels, Switch antenna between TX and RX, also requires commands via the CMD interface

To enable/disable the antenna from a Raspberry Pi or other microcontroller, the AHC_PWR_EN pin must be connected to ground through an NPN transistor as follows:

TODO Diagram of circuit

Software API

Commands

Name	Format	Response
Configure Power Amp	<addr>x<padrive>:<txgain>	drive: …