Packet #18023117 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: 18023117
Mesh Packet ID: 0x618d5cb9
Used for correlation across gateways
Timestamp: 2026-03-27 21:55:39 UTC
From Node: Meshtastic ce4c (ce4c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: FLAN-F208 (FLAN)
Channel: MediumFast
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:MediumFast
Payload Type:NODEINFO_APP
Hop Count:5 / 6
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433af208
Node ID format
channel_id MediumFast
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 1774648539.011891
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
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ 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": "MediumFast", "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 MediumFast 2026-03-27 21:55:39 UTC Current
FLAN-F208 (FLAN) -2.312s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:36 UTC View
FLAN-F208 (FLAN) -2.098s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:36 UTC View
FLAN-F208 (FLAN) -2.073s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:36 UTC View
FLAN-F208 (FLAN) -2.047s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:36 UTC View
FLAN-F208 (FLAN) -2.007s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:37 UTC View
FLAN-F208 (FLAN) -1.577s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:37 UTC View
FLAN-F208 (FLAN) -1.548s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:37 UTC View
FLAN-F208 (FLAN) -1.149s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:37 UTC View
FLAN-F208 (FLAN) -1.105s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:37 UTC View
FLAN-F208 (FLAN) -0.657s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) -0.622s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM LongFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) -0.581s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) -0.142s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) -0.108s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) -0.080s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) -0.051s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) -0.026s
Before 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:38 UTC View
FLAN-F208 (FLAN) +0.033s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +0.439s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +0.475s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +0.913s
After 		-40.0 dBm 6.25 dB 5 96 FLAM MediumFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +0.948s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +0.984s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:39 UTC View
FLAN-F208 (FLAN) +1.014s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:40 UTC View
FLAN-F208 (FLAN) +1.038s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:40 UTC View
FLAN-F208 (FLAN) +1.085s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:40 UTC View
FLAN-F208 (FLAN) +1.486s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:40 UTC View
FLAN-F208 (FLAN) +1.530s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:40 UTC View
FLAN-F208 (FLAN) +2.052s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +2.081s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +2.480s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +2.510s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortFast 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +2.538s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +2.937s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +2.962s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:41 UTC View
FLAN-F208 (FLAN) +3.333s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +3.354s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +3.383s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +3.411s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +3.432s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +3.456s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +3.889s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +3.922s
After 		-40.0 dBm 6.25 dB 5 96 FLAM ShortTurbo 2026-03-27 21:55:42 UTC View
FLAN-F208 (FLAN) +3.959s
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