Packet #3915909 Success

NODEINFO_APP packet from FCS - mobile (FCSm) to PERE-CLM-868📱 (IOTP)

14
Total Receptions
8
Unique Gateways
6
Hop Count
79
Payload Bytes
Packet Information
Database ID: 3915909
Mesh Packet ID: 0x86898278
Used for correlation across gateways
Timestamp: 2025-07-16 21:35:35 UTC
From Node: FCS - mobile (FCSm)
To Node: PERE-CLM-868📱 (IOTP)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 56cc (56cc)
Channel: LongFast
RSSI: -124 dBm
SNR: -14.5 dBm
Hop Info: 6/7 hops
Start: 7, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 79 bytes
Decoded: Yes
Decoded Data:
Long Name:FCS - mobile
Short Name:FCSm
Node ID:!db2f18d4
MAC Address:EFHbLxjU
Hardware:HELTEC_V3
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:79 bytes
Gateway:!db2956cc
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:6 / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db2956cc
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (79 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3677296852
Source node ID 		uint32
to 2697781136
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 79 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 6
Calculated: hop_start - hop_limit 		derived
rx_rssi -124.0 dBm
Signal strength at gateway 		int32
rx_snr -14.50 dB
Signal quality at gateway 		float
rx_time Not set 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 Not set uint32
tx_after Not set uint32
timestamp 1752701735.2428327
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (6 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !db2956cc
Signal Metrics: RSSI: -124.0 dBm
SNR: -14.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:79 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!db2f18d4", "long_name": "FCS - mobile", "short_name": "FCSm", "macaddr": "EFHbLxjU", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db2956cc", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677296852, "to": 2697781136, "id": 2257158776, "rx_time": 0, "rx_snr": -14.5, "rx_rssi": -124, "hop_limit": 1, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462326631386434120c464353202d206d6f62696c651a044643536d22061051db2f18d4282b38014220789c5f2b693dbfe9cd6257a0972f9d2afae3222c34282c5e1e82fd80f4dfcb074800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db2f18d4", "long_name": "FCS - mobile", "short_name": "FCSm", "macaddr": "EFHbLxjU", "hw_model": "HELTEC_V3", "role": "CLIENT_MUTE", "public_key": "eJxfK2k9v+nNYlegly+dKvrjIiw0KCxeHoL9gPTfywc=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (79 bytes)
0a09216462326631386434120c464353202d206d6f62696c651a044643536d22061051db2f18d4282b38014220789c5f2b693dbfe9cd6257a0972f9d2afae3222c34282c5e1e82fd80f4dfcb074800
Hex Analysis:
Size:79 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 Channel Timestamp Actions
Meshtastic 56cc (56cc) Primary 0.000s
Reference 		-124.0 dBm -14.50 dB 6 LongFast 2025-07-16 21:35:35 Current
Rubí - FCS (FCS) -890.255s
Before 		-81.0 dBm 3.75 dB 0 LongFast 2025-07-16 21:20:44 View
Rodarit 1 (e38c) -887.387s
Before 		-126.0 dBm -15.25 dB 1 LongFast 2025-07-16 21:20:47 View
Cardedeu-GW-868 (GC) -873.883s
Before 		-134.0 dBm -14.25 dB 4 LongFast 2025-07-16 21:21:01 View
EB3FWC-Girona📡-GW-868 (EB3F) -872.396s
Before 		-87.0 dBm 1.00 dB 5 LongFast 2025-07-16 21:21:02 View
CV-Oriol-GW-8 📡 (CVO2) -871.435s
Before 		-102.0 dBm 3.25 dB 5 LongFast 2025-07-16 21:21:03 View
MontcadaCentro-CL-868🗼🌐 (d9e8) -870.000s
Before 		-35.0 dBm 7.00 dB 6 LongFast 2025-07-16 21:21:05 View
ssppcc (5c9c) -861.850s
Before 		-108.0 dBm -19.25 dB 7 LongFast 2025-07-16 21:21:13 View
Meshtastic 56cc (56cc) -162.296s
Before 		-124.0 dBm -14.50 dB 6 LongFast 2025-07-16 21:32:52 View
Meshtastic 56cc (56cc) -130.238s
Before 		-124.0 dBm -14.50 dB 6 LongFast 2025-07-16 21:33:25 View
Meshtastic 56cc (56cc) -109.221s
Before 		-124.0 dBm -14.50 dB 6 LongFast 2025-07-16 21:33:46 View
Meshtastic 56cc (56cc) -82.212s
Before 		-124.0 dBm -14.50 dB 6 LongFast 2025-07-16 21:34:13 View
Meshtastic 56cc (56cc) -55.057s
Before 		-124.0 dBm -14.50 dB 6 LongFast 2025-07-16 21:34:40 View
Meshtastic 56cc (56cc) -28.031s
Before 		-124.0 dBm -14.50 dB 6 LongFast 2025-07-16 21:35:07 View
14

Total Receptions

8

Unique Gateways