Packet #1684946 Success

NODEINFO_APP packet from 1st ESP32-S3 ETH+POE (2140) to Meshtastic 8574 (8574)

2
Total Receptions
1
Unique Gateways
0
Hop Count
85
Payload Bytes
Packet Information
Database ID: 1684946
Mesh Packet ID: 0x2e3a2f45
Used for correlation across gateways
Timestamp: 2026-04-01 09:34:04 UTC
From Node: 1st ESP32-S3 ETH+POE (2140)
To Node: Meshtastic 8574 (8574)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: m-base-a (mb-a)
Channel: Bulgaria
RSSI: -46 dBm
SNR: 12.25 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 40 2140 , mb-a
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 85 bytes
Decoded: Yes
Decoded Data:
Long Name:1st ESP32-S3 ETH+POE
Short Name:2140
Node ID:!75702140
MAC Address:PNx1cCFA
Hardware:RAK3312
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:85 bytes
Gateway:!a2e96b40
Channel:Bulgaria
Payload Type:NODEINFO_APP
Hop Count:0 / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !a2e96b40
Node ID format
channel_id Bulgaria
packet MeshPacket (85 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 1970282816
Source node ID 		uint32
to 2646377844
Target node ID 		uint32
decoded.portnum NODEINFO_APP
NODEINFO_APP 		enum
decoded.payload_length 85 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -46.0 dBm
Signal strength at gateway 		int32
rx_snr 12.25 dB
Signal quality at gateway 		float
rx_time 1775036044
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority Not set enum
delayed Not set enum
channel 37
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 64
Relay node ID 		uint32
tx_after Not set uint32
timestamp Not set uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Custom channel: Bulgaria
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a2e96b40
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -46.0 dBm
SNR: 12.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:85 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!75702140", "long_name": "1st ESP32-S3 ETH+POE", "short_name": "2140", "macaddr": "PNx1cCFA", "hw_model": "RAK3312" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 1970282816, "to": 2646377844, "channel": 37, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhNzU3MDIxNDASFDFzdCBFU1AzMi1TMyBFVEgrUE9FGgQyMTQwIgY83HVwIUAoakIgjNb1IMwyGyp4McYIZXVTJMOslMtbXTih4EOwJh/6yV9IAA==", "want_response": true, "bitfield": 3 }, "id": 775565125, "rx_time": 1775036044, "rx_snr": 12.25, "hop_limit": 2, "rx_rssi": -46, "hop_start": 2, "relay_node": 64 }, "channel_id": "Bulgaria", "gateway_id": "!a2e96b40" }, "mesh_packet": { "from": 1970282816, "to": 2646377844, "channel": 37, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhNzU3MDIxNDASFDFzdCBFU1AzMi1TMyBFVEgrUE9FGgQyMTQwIgY83HVwIUAoakIgjNb1IMwyGyp4McYIZXVTJMOslMtbXTih4EOwJh/6yV9IAA==", "want_response": true, "bitfield": 3, "parsed_payload": { "id": "!75702140", "long_name": "1st ESP32-S3 ETH+POE", "short_name": "2140", "macaddr": "PNx1cCFA", "hw_model": "RAK3312", "public_key": "jNb1IMwyGyp4McYIZXVTJMOslMtbXTih4EOwJh/6yV8=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 775565125, "rx_time": 1775036044, "rx_snr": 12.25, "hop_limit": 2, "rx_rssi": -46, "hop_start": 2, "relay_node": 64 } }
Raw Packet Data (85 bytes)
0a0921373537303231343012143173742045535033322d5333204554482b504f451a043231343022063cdc75702140286a42208cd6f520cc321b2a7831c60865755324c3ac94cb5b5d38a1e043b0261ffac95f4800
Hex Analysis:
Size:85 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
m-base-a (mb-a) Primary 0.000s
Reference 		-46.0 dBm 12.25 dB 0 40 2140 , mb-a Bulgaria 2026-04-01 09:34:04 UTC Current
0 hops (direct receptions) Gateways that heard the packet directly from the source
m-base-a (mb-a) +0.007s
After 		-46.0 dBm 12.25 dB 0 40 2140 , mb-a Bulgaria 2026-04-01 09:34:04 UTC View
2

Total Receptions

1

Unique Gateways