Packet #18798220 Success

NODEINFO_APP packet from Long deck (ldec) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
76
Payload Bytes
Packet Information
Database ID: 18798220
Mesh Packet ID: 0x685d15e5
Used for correlation across gateways
Timestamp: 2026-03-29 18:39:39 UTC
From Node: Long deck (ldec)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Short deck (sdec)
Channel: MediumFast
RSSI: -33 dBm
SNR: 5.75 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: d0 ldec
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: 76 bytes
Decoded: Yes
Decoded Data:
Long Name:Long deck
Short Name:ldec
Node ID:!f1a05ad0
MAC Address:IG7xoFrQ
Hardware:T_DECK
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:76 bytes
Gateway:!f1bcfa64
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:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !f1bcfa64
Node ID format
channel_id MediumFast
packet MeshPacket (76 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4053818064
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 76 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 -33.0 dBm
Signal strength at gateway
int32
rx_snr 5.75 dB
Signal quality at gateway
float
rx_time 1774809578
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 208
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774809579.310203
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
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !f1bcfa64
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -33.0 dBm
SNR: 5.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:76 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!f1a05ad0", "long_name": "Long deck", "short_name": "ldec", "macaddr": "IG7xoFrQ", "hw_model": "T_DECK" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f1bcfa64", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4053818064, "to": 4294967295, "id": 1750930917, "rx_time": 1774809578, "rx_snr": 5.75, "rx_rssi": -33, "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": 208, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921663161303561643012094c6f6e67206465636b1a046c6465632206206ef1a05ad0283238014220b8682541d1c9daeda362a1286fbeb09ebd08c8eebbc320d78306c4131b0a2b6d4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!f1a05ad0", "long_name": "Long deck", "short_name": "ldec", "macaddr": "IG7xoFrQ", "hw_model": "T_DECK", "role": "CLIENT_MUTE", "public_key": "uGglQdHJ2u2jYqEob76wnr0IyO67wyDXgwbEExsKK20=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (76 bytes)
0a0921663161303561643012094c6f6e67206465636b1a046c6465632206206ef1a05ad0283238014220b8682541d1c9daeda362a1286fbeb09ebd08c8eebbc320d78306c4131b0a2b6d4800
Hex Analysis:
Size:76 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
Short deck (sdec) Primary 0.000s
Reference
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC Current
Short deck (sdec) -0.239s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.218s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.197s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.177s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.156s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.133s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.109s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.087s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.064s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.041s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.020s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.021s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.044s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.067s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.088s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.111s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.138s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.173s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.213s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.253s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.282s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.303s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.324s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.345s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.368s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.392s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.415s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.438s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.458s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.480s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.500s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.521s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.544s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.570s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.593s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.615s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.636s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.657s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.677s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.697s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:40 UTC View
Short deck (sdec) +0.720s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:40 UTC View
Short deck (sdec) +0.743s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:40 UTC View
Short deck (sdec) +0.766s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:40 UTC View
Short deck (sdec) +0.789s
After
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:40 UTC View
45

Total Receptions

1

Unique Gateways