# Modules Reference: Transponder (Driver)
# sagetech_mxs
Source: drivers/transponder/sagetech_mxs (opens new window)
### Description
This driver integrates the Sagetech MXS Certified Transponder to send and receive ADSB messages and traffic.
### Examples
Attempt to start driver on a specified serial device.
$ sagetech_mxs start -d /dev/ttyS1
Stop driver
$ sagetech_mxs stop
Set Flight ID (8 char max)
$ sagetech_mxs flight_id MXS12345
Set MXS Operating Mode
$ sagetech_mxs opmode off/on/stby/alt
$ sagetech_mxs opmode 0/1/2/3
Set the Squawk Code
$ sagetech_mxs squawk 1200
# Usage
sagetech_mxs <command> [arguments...]
Commands:
start Start driver
-d <val> Serial device
stop Stop driver
flightid Set Flight ID (8 char max)
ident Set the IDENT bit in ADSB-Out messages
opmode Set the MXS operating mode. ('off', 'on', 'stby', 'alt', or
numerical [0-3])
squawk Set the Squawk Code. [0-7777] Octal (no digit larger than 7)
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