$RT - Receive Test
This unsolicited message provides reception status information on the Swarm network. When
enabled, periodic RSSI reports are provided. Upon reception of a packet from a satellite,
additional signal quality information is provided. These messages are provided for initial setup
and debugging during installation. Receive test unsolicited messages can be enabled/disabled
using the
$RT
command with the message notification option.
$RT RSSI=<rssi>*xx
$RT RSSI=<rssi_sat>,SNR=<snr>,FDEV=<fdev>,TS=<time>,DI=<sat_id>*xx
Parameter
Description
rssi
Received signal strength in dBm for open channel (integer)
rssi_sat
Received signal strength in dBm for packet (integer)
snr
Signal to noise ratio in dB for packet (integer)
fdev
Frequency deviation in Hz for packet (integer)
time
Date and time (UTC) of received packet
sat_id
Device ID of satellite heard
June 2020
Swarm Tile Manual - Rev 1.00
34/63