Packet #17970838 Success

NODEINFO_APP packet from Meshtastic 8b90 (8b90) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
82
Payload Bytes
Packet Information
Database ID: 17970838
Mesh Packet ID: 0xbadcd3cc
Used for correlation across gateways
Timestamp: 2026-03-27 18:44:02 UTC
From Node: Meshtastic 8b90 (8b90)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 8b90 (8b90)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 90 8b90
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: 82 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 8b90
Short Name:8b90
Node ID:!75e98b90
MAC Address:3FR16YuQ
Hardware:HELTEC_V3
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:82 bytes
Gateway:!75e98b90
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !75e98b90
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (82 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1978239888
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 82 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 3
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 1774637039
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 144
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774637042.6799483
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)
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !75e98b90
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:82 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!75e98b90", "long_name": "Meshtastic 8b90", "short_name": "8b90", "macaddr": "3FR16YuQ", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!75e98b90", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1978239888, "to": 4294967295, "id": 3135034316, "rx_time": 1774637039, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 144, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213735653938623930120f4d65736874617374696320386239301a04386239302206dc5475e98b90282b380c4220e2f62154a9e594ba5bd55a90ffddd09d8df948d87b6cb106cbb1c9064cf0cc334800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!75e98b90", "long_name": "Meshtastic 8b90", "short_name": "8b90", "macaddr": "3FR16YuQ", "hw_model": "HELTEC_V3", "role": "CLIENT_BASE", "public_key": "4vYhVKnllLpb1VqQ/93QnY35SNh7bLEGy7HJBkzwzDM=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (82 bytes)
0a09213735653938623930120f4d65736874617374696320386239301a04386239302206dc5475e98b90282b380c4220e2f62154a9e594ba5bd55a90ffddd09d8df948d87b6cb106cbb1c9064cf0cc334800
Hex Analysis:
Size:82 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...

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
Meshtastic 8b90 (8b90) Primary 0.000s
Reference
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:02 UTC Current
Meshtastic 8b90 (8b90) -1.139s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -1.117s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -1.090s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -1.059s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -1.038s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -1.013s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.989s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.965s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.941s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.919s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.897s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.876s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.828s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.791s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.759s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.723s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.696s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 18:44:01 UTC View
Meshtastic 8b90 (8b90) -0.670s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.649s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.625s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.600s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.577s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.554s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.532s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.511s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.489s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.467s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.443s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.419s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.395s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.372s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.350s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.328s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.306s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.284s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.260s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.235s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.211s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.188s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.166s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.144s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.122s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.089s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 18:44:02 UTC View
Meshtastic 8b90 (8b90) -0.041s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 18:44:02 UTC View
45

Total Receptions

1

Unique Gateways