Packet #7352317 Success

NODEINFO_APP packet from Meshtastic 53fc (53fc) to Meshtastic f85c (f85c)

11
Total Receptions
11
Unique Gateways
0
Hop Count
78
Payload Bytes
Packet Information
Database ID: 7352317
Mesh Packet ID: 0xa58f89bf
Used for correlation across gateways
Timestamp: 2025-08-19 22:17:26 UTC
From Node: Meshtastic 53fc (53fc)
To Node: Meshtastic f85c (f85c)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Malasaña Solar ☀️ (🌇)
Channel: MediumSlow
RSSI: -102 dBm
SNR: -4.75 dBm
Hop Info: 0/5 hops
Start: 5, Limit: 5
Payload Data
Protocol: NODEINFO_APP
Size: 78 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 53fc
Short Name:53fc
Node ID:!bfa953fc
MAC Address:PHG/qVP8
Hardware:HELTEC_V2_0
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:78 bytes
Gateway:!68ad5625
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !68ad5625
Node ID format
channel_id MediumSlow
packet MeshPacket (78 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3215545340
Source node ID 		uint32
to 1128134748
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 78 bytes size
hop_limit 5
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -102.0 dBm
Signal strength at gateway 		int32
rx_snr -4.75 dB
Signal quality at gateway 		float
rx_time 1755641847
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 Not set uint32
tx_after Not set uint32
timestamp 1755641846.7801864
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
  • ✓ Custom channel: MediumSlow
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !68ad5625
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -102.0 dBm
SNR: -4.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:78 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!bfa953fc", "long_name": "Meshtastic 53fc", "short_name": "53fc", "macaddr": "PHG/qVP8", "hw_model": "HELTEC_V2_0" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!68ad5625", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3215545340, "to": 1128134748, "id": 2777647551, "rx_time": 1755641847, "rx_snr": -4.75, "rx_rssi": -102, "hop_limit": 5, "hop_start": 5, "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": "0a09216266613935336663120f4d65736874617374696320353366631a043533666322063c71bfa953fc28054220f45ed4fd0708574b5782aa2e9a8e2080809448b61803a367438ab81e532d5b55", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!bfa953fc", "long_name": "Meshtastic 53fc", "short_name": "53fc", "macaddr": "PHG/qVP8", "hw_model": "HELTEC_V2_0", "public_key": "9F7U/QcIV0tXgqoumo4ggICUSLYYA6NnQ4q4HlMtW1U=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (78 bytes)
0a09216266613935336663120f4d65736874617374696320353366631a043533666322063c71bfa953fc28054220f45ed4fd0708574b5782aa2e9a8e2080809448b61803a367438ab81e532d5b55
Hex Analysis:
Size:78 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
Malasaña Solar ☀️ (🌇) Primary 0.000s
Reference 		-102.0 dBm -4.75 dB 0 MediumSlow 2025-08-19 22:17:26 Current
Perseo 🗼🌐 (nvm1) +1.071s
After 		-78.0 dBm 7.00 dB 1 MediumSlow 2025-08-19 22:17:27 View
Villalbilla02 (VBV2) +2.774s
After 		-114.0 dBm -4.50 dB 3 MediumSlow 2025-08-19 22:17:29 View
SkG@Somewhere 🤨 (SkGs) +4.867s
After 		-106.0 dBm -8.00 dB 4 MediumSlow 2025-08-19 22:17:31 View
g1bal (g1b0) +5.682s
After 		-118.0 dBm -11.00 dB 4 MediumSlow 2025-08-19 22:17:32 View
Mec Rocket Meco (MRM) +6.421s
After 		-101.0 dBm -6.25 dB 5 MediumSlow 2025-08-19 22:17:33 View
Vich 📟🌐 (VCH) +7.097s
After 		-118.0 dBm -14.75 dB 4 MediumSlow 2025-08-19 22:17:33 View
Tlgo 📡🌐🔋🔌 (TLG0) +8.672s
After 		-112.0 dBm -6.50 dB 5 MediumSlow 2025-08-19 22:17:35 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) +11.888s
After 		-108.0 dBm 2.50 dB 4 MediumSlow 2025-08-19 22:17:38 View
GRN1-Base🗼🌐 (GRN1) +11.932s
After 		-98.0 dBm 5.75 dB 4 MediumSlow 2025-08-19 22:17:38 View
Glitchs Azuqueca 📡 (GltA) +13.117s
After 		-124.0 dBm -12.75 dB 5 MediumSlow 2025-08-19 22:17:39 View
11

Total Receptions

11

Unique Gateways