Packet #17873220 Success

NODEINFO_APP packet from Meshtastic f2f0 (f2f0) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
80
Payload Bytes
Packet Information
Database ID: 17873220
Mesh Packet ID: 0x5d894640
Used for correlation across gateways
Timestamp: 2026-03-27 12:59:06 UTC
From Node: Meshtastic f2f0 (f2f0)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic f2f0 (f2f0)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: f0 f2f0
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: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic f2f0
Short Name:f2f0
Node ID:!433ef2f0
MAC Address:SMpDPvLw
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:80 bytes
Gateway:!433ef2f0
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 !433ef2f0
Node ID format
channel_id ShortFast
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1128198896
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 80 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 1774616342
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 240
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774616346.317628
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: !433ef2f0
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:80 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!433ef2f0", "long_name": "Meshtastic f2f0", "short_name": "f2f0", "macaddr": "SMpDPvLw", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433ef2f0", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128198896, "to": 4294967295, "id": 1569277504, "rx_time": 1774616342, "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": 240, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213433336566326630120f4d65736874617374696320663266301a0466326630220648ca433ef2f0282b42204bd1746c8a4478b14fa592daa711d00a80294946c942f2a418ff5224fd30bf624800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!433ef2f0", "long_name": "Meshtastic f2f0", "short_name": "f2f0", "macaddr": "SMpDPvLw", "hw_model": "HELTEC_V3", "public_key": "S9F0bIpEeLFPpZLapxHQCoApSUbJQvKkGP9SJP0wv2I=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213433336566326630120f4d65736874617374696320663266301a0466326630220648ca433ef2f0282b42204bd1746c8a4478b14fa592daa711d00a80294946c942f2a418ff5224fd30bf624800
Hex Analysis:
Size:80 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 f2f0 (f2f0) Primary 0.000s
Reference
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:59:06 UTC Current
Meshtastic f2f0 (f2f0) -0.677s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.642s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.592s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.556s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.520s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.492s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.465s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.440s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.414s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.384s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.358s
Before
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.332s
Before
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:59:05 UTC View
Meshtastic f2f0 (f2f0) -0.304s
Before
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) -0.279s
Before
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) -0.238s
Before
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) -0.207s
Before
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) -0.170s
Before
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) -0.139s
Before
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) -0.113s
Before
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) -0.084s
Before
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) -0.054s
Before
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) -0.027s
Before
Unknown Unknown 0 f0 f2f0 MediumFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.028s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.060s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.092s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.124s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.152s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.181s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.208s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.235s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.264s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.293s
After
Unknown Unknown 0 f0 f2f0 ShortFast 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.323s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.358s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.387s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.415s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.441s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.469s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.499s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.527s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.556s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.586s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.617s
After
Unknown Unknown 0 f0 f2f0 ShortTurbo 2026-03-27 12:59:06 UTC View
Meshtastic f2f0 (f2f0) +0.643s
After
Unknown Unknown 0 f0 f2f0 LongFast 2026-03-27 12:59:06 UTC View
45

Total Receptions

1

Unique Gateways