Packet #18261988 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: 18261988
Mesh Packet ID: 0x319ac5bc
Used for correlation across gateways
Timestamp: 2026-03-28 11:47:42 UTC
From Node: Meshtastic 8b90 (8b90)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 8b90 (8b90)
Channel: ShortFast
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:ShortFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 3
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 !75e98b90
Node ID format
channel_id ShortFast
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 1774698461
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 1774698462.392905
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: !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": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1978239888, "to": 4294967295, "id": 832226748, "rx_time": 1774698461, "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 ShortFast 2026-03-28 11:47:42 UTC Current
Meshtastic 8b90 (8b90) -0.534s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:41 UTC View
Meshtastic 8b90 (8b90) -0.506s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:41 UTC View
Meshtastic 8b90 (8b90) -0.483s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:41 UTC View
Meshtastic 8b90 (8b90) -0.460s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:41 UTC View
Meshtastic 8b90 (8b90) -0.432s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:41 UTC View
Meshtastic 8b90 (8b90) -0.410s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:41 UTC View
Meshtastic 8b90 (8b90) -0.389s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.366s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.341s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.317s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.293s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.271s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.249s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.228s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.207s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.184s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.158s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.134s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.110s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.088s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.067s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.045s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) -0.023s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.025s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.049s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.073s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.095s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.118s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.139s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.161s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.184s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.209s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.233s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.257s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.280s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.301s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.323s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.345s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.368s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.392s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.416s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.439s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.462s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:42 UTC View
Meshtastic 8b90 (8b90) +0.484s
After
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:42 UTC View
45

Total Receptions

1

Unique Gateways