Packet #17768406 Success

NODEINFO_APP packet from Meshtastic NJF Base 🛰 (🛰) to !ffffffff

47
Total Receptions
3
Unique Gateways
0
Hop Count
91
Payload Bytes
Packet Information
Database ID: 17768406
Mesh Packet ID: 0x1e9871fc
Used for correlation across gateways
Timestamp: 2026-03-27 08:18:24 UTC
From Node: Meshtastic NJF Base 🛰 (🛰)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Dominus (M4)
Channel: ShortFast
RSSI: -91 dBm
SNR: -4.75 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: f2 🛰
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: 91 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic NJF Base 🛰
Short Name:🛰
Node ID:!d4284ff2
MAC Address:ztXUKE/y
Hardware:RAK4631
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:91 bytes
Gateway:!6984d8b8
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:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6984d8b8
Node ID format
channel_id ShortFast
packet MeshPacket (91 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3559411698
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 91 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 -91.0 dBm
Signal strength at gateway
int32
rx_snr -4.75 dB
Signal quality at gateway
float
rx_time 1774599502
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 242
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774599504.043464
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:
  • âš  Visible to all nodes on channel
  • âš  Packet visible to MQTT subscribers
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !6984d8b8
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -91.0 dBm
SNR: -4.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:91 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!d4284ff2", "long_name": "Meshtastic NJF Base 🛰", "short_name": "🛰", "macaddr": "ztXUKE/y", "hw_model": "RAK4631" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6984d8b8", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3559411698, "to": 4294967295, "id": 513307132, "rx_time": 1774599502, "rx_snr": -4.75, "rx_rssi": -91, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 242, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921643432383466663212184d657368746173746963204e4a46204261736520f09f9bb01a04f09f9bb02206ced5d4284ff22809380c42202457ab3e7482160e45803ce92622ca2ee2999827664ceef56fa3a0f3f655d33c4801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!d4284ff2", "long_name": "Meshtastic NJF Base 🛰", "short_name": "🛰", "macaddr": "ztXUKE/y", "hw_model": "RAK4631", "role": "CLIENT_BASE", "public_key": "JFerPnSCFg5FgDzpJiLKLuKZmCdmTO71b6Og8/ZV0zw=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (91 bytes)
0a0921643432383466663212184d657368746173746963204e4a46204261736520f09f9bb01a04f09f9bb02206ced5d4284ff22809380c42202457ab3e7482160e45803ce92622ca2ee2999827664ceef56fa3a0f3f655d33c4801
Hex Analysis:
Size:91 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
Mechanicus Dominus (M4) Primary 0.000s
Reference
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC Current
Mechanicus Dominus (M4) -0.650s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.610s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.568s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.549s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.515s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.495s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.474s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.456s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.433s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.415s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.395s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.375s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.347s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.328s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.299s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.278s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.259s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.240s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.224s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.205s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.182s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.158s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.138s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.114s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.094s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.075s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.058s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.042s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) -0.024s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.021s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.044s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.064s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.080s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.097s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.117s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.137s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.158s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.177s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.195s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.213s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.230s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.246s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.263s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.282s
After
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:24 UTC View
Mechanicus Cadia (M3) +0.310s
After
-123.0 dBm -11.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:24 UTC View
Mechanicus Alpha (M1) +0.333s
After
-111.0 dBm -4.25 dB 0 f2 🛰 LongFast 2026-03-27 08:18:24 UTC View
47

Total Receptions

3

Unique Gateways