Packet #17995922 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: 17995922
Mesh Packet ID: 0x3fde7a07
Used for correlation across gateways
Timestamp: 2026-03-27 20:18:26 UTC
From Node: Meshtastic NJF Base 🛰 (🛰)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Dominus (M4)
Channel: MediumFast
RSSI: -102 dBm
SNR: -18.25 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 -102.0 dBm
Signal strength at gateway
int32
rx_snr -18.25 dB
Signal quality at gateway
float
rx_time 1774642704
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 1774642706.2646737
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: -102.0 dBm
SNR: -18.25 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": 1071544839, "rx_time": 1774642704, "rx_snr": -18.25, "rx_rssi": -102, "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
-102.0 dBm -18.25 dB 0 f2 🛰 MediumFast 2026-03-27 20:18:26 UTC Current
Mechanicus Dominus (M4) -0.562s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:25 UTC View
Mechanicus Dominus (M4) -0.532s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:25 UTC View
Mechanicus Dominus (M4) -0.503s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:25 UTC View
Mechanicus Dominus (M4) -0.481s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:25 UTC View
Mechanicus Dominus (M4) -0.443s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:25 UTC View
Mechanicus Dominus (M4) -0.417s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:25 UTC View
Mechanicus Dominus (M4) -0.335s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:25 UTC View
Mechanicus Dominus (M4) -0.310s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:25 UTC View
Mechanicus Dominus (M4) -0.277s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:25 UTC View
Mechanicus Dominus (M4) -0.231s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) -0.185s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) -0.145s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 MediumFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) -0.103s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 MediumFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) -0.072s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 MediumFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) -0.048s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 MediumFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) -0.024s
Before
-102.0 dBm -18.25 dB 0 f2 🛰 MediumFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.046s
After
-102.0 dBm -18.25 dB 0 f2 🛰 MediumFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.070s
After
-102.0 dBm -18.25 dB 0 f2 🛰 MediumFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.099s
After
-102.0 dBm -18.25 dB 0 f2 🛰 MediumFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.121s
After
-102.0 dBm -18.25 dB 0 f2 🛰 MediumFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.160s
After
-102.0 dBm -18.25 dB 0 f2 🛰 MediumFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.198s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.224s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.265s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.287s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.321s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.365s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.411s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.439s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.465s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.498s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.521s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortFast 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.542s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortTurbo 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.563s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortTurbo 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.584s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortTurbo 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.606s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortTurbo 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.652s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortTurbo 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.676s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortTurbo 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.699s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortTurbo 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.722s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortTurbo 2026-03-27 20:18:26 UTC View
Mechanicus Dominus (M4) +0.744s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortTurbo 2026-03-27 20:18:27 UTC View
Mechanicus Dominus (M4) +0.765s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortTurbo 2026-03-27 20:18:27 UTC View
Mechanicus Dominus (M4) +0.787s
After
-102.0 dBm -18.25 dB 0 f2 🛰 ShortTurbo 2026-03-27 20:18:27 UTC View
Mechanicus Dominus (M4) +0.808s
After
-102.0 dBm -18.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:27 UTC View
Mechanicus Cadia (M3) +0.832s
After
-123.0 dBm -13.25 dB 0 f2 🛰 LongFast 2026-03-27 20:18:27 UTC View
Mechanicus Alpha (M1) +0.856s
After
-118.0 dBm -10.75 dB 0 f2 🛰 LongFast 2026-03-27 20:18:27 UTC View
47

Total Receptions

3

Unique Gateways