Packet #17724096 Success

NODEINFO_APP packet from Meshtastic b018 (b018) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
80
Payload Bytes
Packet Information
Database ID: 17724096
Mesh Packet ID: 0x4c5c83e7
Used for correlation across gateways
Timestamp: 2026-03-27 05:52:39 UTC
From Node: Meshtastic b018 (b018)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic b018 (b018)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 18 b018
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 b018
Short Name:b018
Node ID:!db51b018
MAC Address:EFHbUbAY
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:!db51b018
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
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 !db51b018
Node ID format
channel_id MediumFast
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3679563800
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 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 1774590758
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 24
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774590759.9873226
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: !db51b018
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": "!db51b018", "long_name": "Meshtastic b018", "short_name": "b018", "macaddr": "EFHbUbAY", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db51b018", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3679563800, "to": 4294967295, "id": 1281131495, "rx_time": 1774590758, "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": 24, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462353162303138120f4d65736874617374696320623031381a046230313822061051db51b018282b422061ca985c6e0d0bdcf0344a19850653216ecc93141398e00ac4a55b5f0f520a284800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db51b018", "long_name": "Meshtastic b018", "short_name": "b018", "macaddr": "EFHbUbAY", "hw_model": "HELTEC_V3", "public_key": "YcqYXG4NC9zwNEoZhQZTIW7MkxQTmOAKxKVbXw9SCig=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09216462353162303138120f4d65736874617374696320623031381a046230313822061051db51b018282b422061ca985c6e0d0bdcf0344a19850653216ecc93141398e00ac4a55b5f0f520a284800
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 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 b018 (b018) Primary 0.000s
Reference 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC Current
Meshtastic b018 (b018) -0.378s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.350s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.319s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.293s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.268s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.244s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.221s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.199s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.179s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.159s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.138s
Before 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.115s
Before 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.091s
Before 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.068s
Before 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.044s
Before 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) -0.021s
Before 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:39 UTC View
Meshtastic b018 (b018) +0.021s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.042s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.065s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.089s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.112s
After 		Unknown Unknown 0 18 b018 MediumFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.136s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.158s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.177s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.199s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.220s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.241s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.265s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.289s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.312s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.335s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.357s
After 		Unknown Unknown 0 18 b018 ShortFast 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.378s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.400s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.420s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.443s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.474s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.499s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.535s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.557s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.581s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.610s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.641s
After 		Unknown Unknown 0 18 b018 ShortTurbo 2026-03-27 05:52:40 UTC View
Meshtastic b018 (b018) +0.668s
After 		Unknown Unknown 0 18 b018 LongFast 2026-03-27 05:52:40 UTC View
45

Total Receptions

1

Unique Gateways