Packet #18023104 Success

NODEINFO_APP packet from Meshtastic ce4c (ce4c) to !ffffffff

45
Total Receptions
1
Unique Gateways
5
Hop Count
80
Payload Bytes
Packet Information
Database ID: 18023104
Mesh Packet ID: 0x618d5cb9
Used for correlation across gateways
Timestamp: 2026-03-27 21:55:37 UTC
From Node: Meshtastic ce4c (ce4c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: FLAN-F208 (FLAN)
Channel: LongFast
RSSI: -40 dBm
SNR: 6.25 dBm
Hop Info: 5/6 hops
Start: 6, Limit: 1
Relay Node: 96 FLAM
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: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic ce4c
Short Name:ce4c
Node ID:!526dce4c
MAC Address:7X9Sbc5M
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:80 bytes
Gateway:!433af208
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:5 / 6
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433af208
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1382927948
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 6
Initial hop limit 		uint32
hops_taken 5
Calculated: hop_start - hop_limit 		derived
rx_rssi -40.0 dBm
Signal strength at gateway 		int32
rx_snr 6.25 dB
Signal quality at gateway 		float
rx_time 1774648534
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 150
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774648537.004444
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)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (5 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433af208
Signal Metrics: RSSI: -40.0 dBm
SNR: 6.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:80 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!526dce4c", "long_name": "Meshtastic ce4c", "short_name": "ce4c", "macaddr": "7X9Sbc5M", "hw_model": "RAK4631" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433af208", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1382927948, "to": 4294967295, "id": 1636654265, "rx_time": 1774648534, "rx_snr": 6.25, "rx_rssi": -40, "hop_limit": 1, "hop_start": 6, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 150, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213532366463653463120f4d65736874617374696320636534631a04636534632206ed7f526dce4c280942201d9adc433805fcc098166542091f06676c25d74e0c2825c5d0cfcd2cc959fb054800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!526dce4c", "long_name": "Meshtastic ce4c", "short_name": "ce4c", "macaddr": "7X9Sbc5M", "hw_model": "RAK4631", "public_key": "HZrcQzgF/MCYFmVCCR8GZ2wl104MKCXF0M/NLMlZ+wU=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09213532366463653463120f4d65736874617374696320636534631a04636534632206ed7f526dce4c280942201d9adc433805fcc098166542091f06676c25d74e0c2825c5d0cfcd2cc959fb054800
Hex Analysis:
Size:80 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 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
FLAN-F208 (FLAN) Primary 0.000s
Reference 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:37 UTC Current
FLAN-F208 (FLAN) -0.305s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:36 UTC View
FLAN-F208 (FLAN) -0.091s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:36 UTC View
FLAN-F208 (FLAN) -0.065s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:36 UTC View
FLAN-F208 (FLAN) -0.040s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:36 UTC View
FLAN-F208 (FLAN) +0.431s
After 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:37 UTC View
FLAN-F208 (FLAN) +0.460s
After 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:37 UTC View
FLAN-F208 (FLAN) +0.859s
After 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:37 UTC View
FLAN-F208 (FLAN) +0.902s
After 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:37 UTC View
FLAN-F208 (FLAN) +1.351s
After 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) +1.386s
After 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) +1.427s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) +1.866s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) +1.899s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) +1.927s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) +1.956s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) +1.981s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) +2.007s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +2.040s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +2.446s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +2.483s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +2.920s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +2.955s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +2.991s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +3.022s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:40 UTC View
FLAN-F208 (FLAN) +3.046s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:40 UTC View
FLAN-F208 (FLAN) +3.092s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:40 UTC View
FLAN-F208 (FLAN) +3.494s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:40 UTC View
FLAN-F208 (FLAN) +3.537s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:40 UTC View
FLAN-F208 (FLAN) +4.059s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +4.089s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +4.487s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +4.517s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +4.546s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +4.944s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +4.970s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +5.340s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +5.362s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +5.391s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +5.418s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +5.440s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +5.464s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +5.897s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +5.929s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +5.966s
After 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:42 UTC View
45

Total Receptions

1

Unique Gateways