Packet #17768393 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: 17768393
Mesh Packet ID: 0x1e9871fc
Used for correlation across gateways
Timestamp: 2026-03-27 08:18:23 UTC
From Node: Meshtastic NJF Base 🛰 (🛰)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Dominus (M4)
Channel: MediumFast
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: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:
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 MediumFast
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 1774599503.7848096
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:
  • 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": "MediumFast", "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 🛰 MediumFast 2026-03-27 08:18:23 UTC Current
Mechanicus Dominus (M4) -0.391s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.352s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.309s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.291s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.256s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.237s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.216s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.197s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.175s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.156s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.136s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.116s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.089s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.069s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.040s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) -0.019s
Before
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) +0.018s
After
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) +0.035s
After
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) +0.054s
After
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) +0.076s
After
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) +0.101s
After
-91.0 dBm -4.75 dB 0 f2 🛰 MediumFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) +0.121s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) +0.145s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) +0.165s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) +0.184s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) +0.201s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:23 UTC View
Mechanicus Dominus (M4) +0.217s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.235s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.259s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.280s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.303s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.322s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortFast 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.339s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.356s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.376s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.396s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.417s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.436s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.454s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.472s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.489s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.505s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.522s
After
-91.0 dBm -4.75 dB 0 f2 🛰 ShortTurbo 2026-03-27 08:18:24 UTC View
Mechanicus Dominus (M4) +0.541s
After
-91.0 dBm -4.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:24 UTC View
Mechanicus Cadia (M3) +0.569s
After
-123.0 dBm -11.75 dB 0 f2 🛰 LongFast 2026-03-27 08:18:24 UTC View
Mechanicus Alpha (M1) +0.591s
After
-111.0 dBm -4.25 dB 0 f2 🛰 LongFast 2026-03-27 08:18:24 UTC View
47

Total Receptions

3

Unique Gateways