Packet #18798223 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: 18798223
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 1774809579.3767552
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) -0.306s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.285s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.264s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.243s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.223s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.199s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.176s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.153s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.131s
Before
-33.0 dBm 5.75 dB 0 d0 ldec LongFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.108s
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) -0.067s
Before
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.046s
Before
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) -0.023s
Before
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.022s
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) +0.071s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.107s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.147s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.187s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.216s
After
-33.0 dBm 5.75 dB 0 d0 ldec MediumFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.237s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.258s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.279s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.302s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.325s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.348s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.371s
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) +0.413s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.434s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.454s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortFast 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.478s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.503s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.526s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.549s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.569s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.590s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.610s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:39 UTC View
Short deck (sdec) +0.630s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:40 UTC View
Short deck (sdec) +0.653s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:40 UTC View
Short deck (sdec) +0.677s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:40 UTC View
Short deck (sdec) +0.699s
After
-33.0 dBm 5.75 dB 0 d0 ldec ShortTurbo 2026-03-29 18:39:40 UTC View
Short deck (sdec) +0.722s
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