Packet #14199350 Success

NODEINFO_APP packet from Meshtastic b548 (b548) to BUZ (4cb8)

8
Total Receptions
8
Unique Gateways
2
Hop Count
80
Payload Bytes
Packet Information
Database ID: 14199350
Mesh Packet ID: 0x06818aa8
Used for correlation across gateways
Timestamp: 2025-10-08 15:50:26 UTC
From Node: Meshtastic b548 (b548)
To Node: BUZ (4cb8)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: GRN1-Base🗼🌐 (GRN1)
Channel: Iberia
RSSI: -106 dBm
SNR: -9.75 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: NODEINFO_APP
Size: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic b548
Short Name:b548
Node ID:!db2fb548
MAC Address:EFHbL7VI
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:80 bytes
Gateway:!43b706e8
Channel:Iberia
Payload Type:NODEINFO_APP
Hop Count:2 / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !43b706e8
Node ID format
channel_id Iberia
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3677336904
Source node ID 		uint32
to 2086292664
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -106.0 dBm
Signal strength at gateway 		int32
rx_snr -9.75 dB
Signal quality at gateway 		float
rx_time 1759938625
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 106
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759938626.9601731
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: Iberia
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !43b706e8
Signal Metrics: RSSI: -106.0 dBm
SNR: -9.75 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": "!db2fb548", "long_name": "Meshtastic b548", "short_name": "b548", "macaddr": "EFHbL7VI", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!43b706e8", "channel_id": "Iberia", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677336904, "to": 2086292664, "id": 109152936, "rx_time": 1759938625, "rx_snr": -9.75, "rx_rssi": -106, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 106, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462326662353438120f4d65736874617374696320623534381a046235343822061051db2fb548282b4220ebfd7a3cf9a1c87c4380f6be69753d9d1dc4191f63988bfd1486efd3b1eb7d4c4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db2fb548", "long_name": "Meshtastic b548", "short_name": "b548", "macaddr": "EFHbL7VI", "hw_model": "HELTEC_V3", "public_key": "6/16PPmhyHxDgPa+aXU9nR3EGR9jmIv9FIbv07HrfUw=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (80 bytes)
0a09216462326662353438120f4d65736874617374696320623534381a046235343822061051db2fb548282b4220ebfd7a3cf9a1c87c4380f6be69753d9d1dc4191f63988bfd1486efd3b1eb7d4c4800
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 Channel Timestamp Actions
GRN1-Base🗼🌐 (GRN1) Primary 0.000s
Reference 		-106.0 dBm -9.75 dB 2 Iberia 2025-10-08 15:50:26 Current
Venturada2🗼🌐☀️ (Vb2) -1.544s
Before 		-98.0 dBm -1.75 dB 1 Iberia 2025-10-08 15:50:25 View
Machu Pichu (MaPi) -0.111s
Before 		-112.0 dBm -9.75 dB 2 Iberia 2025-10-08 15:50:26 View
GH2_Cañaveral (GH2) +0.495s
After 		-114.0 dBm -1.75 dB 2 Iberia 2025-10-08 15:50:27 View
jago1 Cañaveral (jago) +0.807s
After 		-116.0 dBm -9.75 dB 2 Iberia 2025-10-08 15:50:27 View
Monolito (MoN) +2.027s
After 		-64.0 dBm 8.25 dB 3 Iberia 2025-10-08 15:50:28 View
Quass002 ☄️ (Q002) +2.321s
After 		-114.0 dBm -5.00 dB 3 Iberia 2025-10-08 15:50:29 View
Meshtastic 54a4 Justicia (54a4) +4.792s
After 		-117.0 dBm -12.50 dB 4 Iberia 2025-10-08 15:50:31 View
8

Total Receptions

8

Unique Gateways