Packet #17949018 Success

NODEINFO_APP packet from el8020_2 (61b4) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
73
Payload Bytes
Packet Information
Database ID: 17949018
Mesh Packet ID: 0x9768609d
Used for correlation across gateways
Timestamp: 2026-03-27 17:33:51 UTC
From Node: el8020_2 (61b4)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: el8020_2 (61b4)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: b4 61b4
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: 73 bytes
Decoded: Yes
Decoded Data:
Long Name:el8020_2
Short Name:61b4
Node ID:!c46a61b4
MAC Address:/PXEamG0
Hardware:M5STACK
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:73 bytes
Gateway:!c46a61b4
Channel:ShortFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !c46a61b4
Node ID format
channel_id ShortFast
packet MeshPacket (73 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3295306164
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 73 bytes size
hop_limit 7
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1774632810
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 180
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774632831.2506275
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

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

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !c46a61b4
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:73 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!c46a61b4", "long_name": "el8020_2", "short_name": "61b4", "macaddr": "/PXEamG0", "hw_model": "M5STACK" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c46a61b4", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3295306164, "to": 4294967295, "id": 2540200093, "rx_time": 1774632810, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 180, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092163343661363162341208656c383032305f321a04363162342206fcf5c46a61b4282a42207c1b2023aa4ef8ddf9fe93a1295b5f861080982dad20da41faeb0d1136e5ed3f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!c46a61b4", "long_name": "el8020_2", "short_name": "61b4", "macaddr": "/PXEamG0", "hw_model": "M5STACK", "public_key": "fBsgI6pO+N35/pOhKVtfhhCAmC2tINpB+usNETbl7T8=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (73 bytes)
0a092163343661363162341208656c383032305f321a04363162342206fcf5c46a61b4282a42207c1b2023aa4ef8ddf9fe93a1295b5f861080982dad20da41faeb0d1136e5ed3f4800
Hex Analysis:
Size:73 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
el8020_2 (61b4) Primary 0.000s
Reference 		Unknown Unknown 0 b4 61b4 ShortFast 2026-03-27 17:33:51 UTC Current
el8020_2 (61b4) -0.720s
Before 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.690s
Before 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.655s
Before 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.627s
Before 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.595s
Before 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.561s
Before 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.535s
Before 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.512s
Before 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.485s
Before 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.462s
Before 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.419s
Before 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.376s
Before 		Unknown Unknown 0 b4 61b4 MediumFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.316s
Before 		Unknown Unknown 0 b4 61b4 MediumFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.259s
Before 		Unknown Unknown 0 b4 61b4 MediumFast 2026-03-27 17:33:50 UTC View
el8020_2 (61b4) -0.223s
Before 		Unknown Unknown 0 b4 61b4 MediumFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) -0.202s
Before 		Unknown Unknown 0 b4 61b4 MediumFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) -0.179s
Before 		Unknown Unknown 0 b4 61b4 MediumFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) -0.155s
Before 		Unknown Unknown 0 b4 61b4 MediumFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) -0.132s
Before 		Unknown Unknown 0 b4 61b4 MediumFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) -0.108s
Before 		Unknown Unknown 0 b4 61b4 MediumFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) -0.086s
Before 		Unknown Unknown 0 b4 61b4 MediumFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) -0.064s
Before 		Unknown Unknown 0 b4 61b4 MediumFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) -0.043s
Before 		Unknown Unknown 0 b4 61b4 ShortFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) -0.022s
Before 		Unknown Unknown 0 b4 61b4 ShortFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.024s
After 		Unknown Unknown 0 b4 61b4 ShortFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.047s
After 		Unknown Unknown 0 b4 61b4 ShortFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.071s
After 		Unknown Unknown 0 b4 61b4 ShortFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.093s
After 		Unknown Unknown 0 b4 61b4 ShortFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.114s
After 		Unknown Unknown 0 b4 61b4 ShortFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.136s
After 		Unknown Unknown 0 b4 61b4 ShortFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.157s
After 		Unknown Unknown 0 b4 61b4 ShortFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.180s
After 		Unknown Unknown 0 b4 61b4 ShortFast 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.204s
After 		Unknown Unknown 0 b4 61b4 ShortTurbo 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.228s
After 		Unknown Unknown 0 b4 61b4 ShortTurbo 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.251s
After 		Unknown Unknown 0 b4 61b4 ShortTurbo 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.273s
After 		Unknown Unknown 0 b4 61b4 ShortTurbo 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.295s
After 		Unknown Unknown 0 b4 61b4 ShortTurbo 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.317s
After 		Unknown Unknown 0 b4 61b4 ShortTurbo 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.338s
After 		Unknown Unknown 0 b4 61b4 ShortTurbo 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.361s
After 		Unknown Unknown 0 b4 61b4 ShortTurbo 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.385s
After 		Unknown Unknown 0 b4 61b4 ShortTurbo 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.409s
After 		Unknown Unknown 0 b4 61b4 ShortTurbo 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.432s
After 		Unknown Unknown 0 b4 61b4 ShortTurbo 2026-03-27 17:33:51 UTC View
el8020_2 (61b4) +0.455s
After 		Unknown Unknown 0 b4 61b4 LongFast 2026-03-27 17:33:51 UTC View
45

Total Receptions

1

Unique Gateways