CN470
Upstream
96 channels numbered 0 to 95 utilizing
125 kHz BW varying from DR0 to DR5
coding rate 4/5
Min = 470.3 MHz, Max = 489.3 MHz, Step 200 kHz
Downstream
48 channels numbered 0 to 47 utilizing
125 kHz BW varying from DR0 to DR5
coding rate 4/5
Min = 500.3 MHz, Max = 509.7 MHz, Step 200 kHz
Frequency 470,000,000
RF chain 0
RX chain 0
Status CRC_OK CRC_OK，CRC_BAD，NO_CRC，UNDEF
Size 15
Modulation LORA LORA，FSK
BandWidth 125,000 500000，250000，125000，62500，31200，15600，7800
DataRate SF7 SF7，SF8，SF9，SF10，SF11，SF12
CodeRate 4/5 1：4/5，2：4/6，3：4/7，4：4/8
RSSI -15
SNR 8.8
Payload 64646464-64000000-00000000-000000
Package
-------- ------ --- -------- ---
Preamble Header CRC Playload CRC
-------- ------ --- -------- ---
Industrial-Scientific-Medical ISM
Internet of Things IoT
Message Queuing Telemetry Transport MQTT
Low-Power Wide-Area Network LPWAN
Long Range Communication LoRa
Serial Peripheral Interface SPI
Frequency-shift keying FSK
Received Signal Strength Indication RSSI
Signal Noise Ratio SNR
Listen Before Talk LBT
Look Up Table LUT
Spreading Factor SF
Adaptive Data Rate ADR
SX1301 Power On
SX1262 Power Off
SX1262 Power On
sudo systemctl status lrgateway
● lrgateway.service - packet forwarder
Loaded: loaded (/etc/systemd/system/lrgateway.service; enabled; vendor preset: enabled)
Active: active (running) since Tue 2022-04-26 09:09:46 CST; 42min ago
Process: 2310 ExecStartPre=/home/pi/lora/packet_forwarder/reset_pkt_fwd.sh start /home/pi/lora/packet_forwarder/lora_pkt_fwd/local_conf.json (code=exited, status=0/SUCCESS)
Main PID: 2331 (lora_pkt_fwd)
Tasks: 5 (limit: 4165)
CPU: 29.702s
CGroup: /system.slice/lrgateway.service
└─2331 /home/pi/lora/packet_forwarder/lora_pkt_fwd/lora_pkt_fwd
4月 26 09:52:41 LoRa-GW lora_pkt_fwd[2331]: lgw_spi_rb:371: BURST READ: to trans 5 # chunk 5 # transferred 5
4月 26 09:52:41 LoRa-GW lora_pkt_fwd[2331]: Note: SPI burst read success
4月 26 09:52:41 LoRa-GW lora_pkt_fwd[2331]: lgw_spi_rb:371: BURST READ: to trans 5 # chunk 5 # transferred 5
4月 26 09:52:41 LoRa-GW lora_pkt_fwd[2331]: Note: SPI burst read success
4月 26 09:52:41 LoRa-GW lora_pkt_fwd[2331]: lgw_spi_rb:371: BURST READ: to trans 5 # chunk 5 # transferred 5
4月 26 09:52:41 LoRa-GW lora_pkt_fwd[2331]: Note: SPI burst read success
4月 26 09:52:41 LoRa-GW lora_pkt_fwd[2331]: lgw_spi_rb:371: BURST READ: to trans 5 # chunk 5 # transferred 5
4月 26 09:52:41 LoRa-GW lora_pkt_fwd[2331]: Note: SPI burst read success
4月 26 09:52:41 LoRa-GW lora_pkt_fwd[2331]: lgw_spi_rb:371: BURST READ: to trans 5 # chunk 5 # transferred 5
4月 26 09:52:41 LoRa-GW lora_pkt_fwd[2331]: Note: SPI burst read success
-r <int> radio type (SX1255:1255, SX1257:1257)
-n <uint> TX notch filter frequency in kHz [126..250]
-f <float> target frequency in MHz
-k <uint> concentrator clock source (0:Radio A, 1:Radio B)
-m <str> modulation type ['LORA', 'FSK']
-b <uint> LoRa bandwidth in kHz [125, 250, 500]
-s <uint> LoRa Spreading Factor [7-12]
-c <uint> LoRa Coding Rate [1-4]
-d <uint> FSK frequency deviation in kHz [1:250]
-q <float> FSK bitrate in kbps [0.5:250]
-p <int> RF power (dBm) [ 0dBm 10dBm 14dBm 20dBm 27dBm ]
-l <uint> LoRa preamble length (symbols)
-z <uint> payload size (bytes, <256)
-i send packet using inverted modulation polarity
-t <uint> pause between packets (ms)
-x <int> nb of times the sequence is repeated (-1 loop until stopped)
--lbt-freq <float> lbt first channel frequency in MHz
--lbt-nbch <uint> lbt number of channels [1..8]
--lbt-sctm <uint> lbt scan time in usec to be applied to all channels [128, 5000]
--lbt-rssi <int> lbt rssi target in dBm [-128..0]
--lbt-rssi-offset <int> rssi offset in dB to be applied to SX127x RSSI [-128..127]
