Packet #18020156 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: 18020156
Mesh Packet ID: 0x2608b3d2
Used for correlation across gateways
Timestamp: 2026-03-27 21:44:03 UTC
From Node: Meshtastic 8b90 (8b90)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 8b90 (8b90)
Channel: MediumFast
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:MediumFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 MediumFast
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 1774647839
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 1774647843.4599586
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: MediumFast
  • ✓ 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": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1978239888, "to": 4294967295, "id": 638104530, "rx_time": 1774647839, "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 MediumFast 2026-03-27 21:44:03 UTC Current
Meshtastic 8b90 (8b90) -0.461s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:02 UTC View
Meshtastic 8b90 (8b90) -0.427s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.399s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.368s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.344s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.321s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.300s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.279s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.257s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.237s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.214s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.187s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.163s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.140s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.118s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.096s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.072s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.052s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) -0.024s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.023s
After
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.055s
After
Unknown Unknown 0 90 8b90 MediumFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.077s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.098s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.124s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.151s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.173s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.197s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.221s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.243s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.274s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.298s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.324s
After
Unknown Unknown 0 90 8b90 ShortFast 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.345s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.368s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.392s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.415s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.438s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.460s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.481s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.502s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.523s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 21:44:03 UTC View
Meshtastic 8b90 (8b90) +0.546s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 21:44:04 UTC View
Meshtastic 8b90 (8b90) +0.569s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-27 21:44:04 UTC View
Meshtastic 8b90 (8b90) +0.599s
After
Unknown Unknown 0 90 8b90 LongFast 2026-03-27 21:44:04 UTC View
45

Total Receptions

1

Unique Gateways