Packet #16106483 Success

NODEINFO_APP packet from Meshtastic 18c0 (18c0) to Meshtastic bc78 (ii78)

5
Total Receptions
5
Unique Gateways
4
Hop Count
82
Payload Bytes
Packet Information
Database ID: 16106483
Mesh Packet ID: 0x0860a123
Used for correlation across gateways
Timestamp: 2026-04-21 17:55:19 UTC
From Node: Meshtastic 18c0 (18c0)
To Node: Meshtastic bc78 (ii78)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: SYSXX BGW8 (SXB8)
Channel: MediumFast
RSSI: -110 dBm
SNR: -2.75 dBm
Hop Info: 4/6 hops
Start: 6, Limit: 2
Payload Data
Protocol: NODEINFO_APP
Size: 82 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 18c0
Short Name:18c0
Node ID:!12b118c0
MAC Address:AEsSsRjA
Hardware:TLORA_V2_1_1P6
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:82 bytes
Gateway:!efffff01
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:4 / 6
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 (4 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !efffff01
Node ID format
channel_id MediumFast
packet MeshPacket (82 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 313596096
Source node ID 		uint32
to 1770241144
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 82 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 6
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -110.0 dBm
Signal strength at gateway 		int32
rx_snr -2.75 dB
Signal quality at gateway 		float
rx_time 1776783319
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 130
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1776783319.1539817
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: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !efffff01
Signal Metrics: RSSI: -110.0 dBm
SNR: -2.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:82 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!12b118c0", "long_name": "Meshtastic 18c0", "short_name": "18c0", "macaddr": "AEsSsRjA", "hw_model": "TLORA_V2_1_1P6" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!efffff01", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 313596096, "to": 1770241144, "id": 140550435, "rx_time": 1776783319, "rx_snr": -2.75, "rx_rssi": -110, "hop_limit": 2, "hop_start": 6, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 130, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213132623131386330120f4d65736874617374696320313863301a04313863302206004b12b118c02803380c42203f761a9ea394795f29ed9a38e3c3d739f8f709196233142ff01f367ffbe765704800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!12b118c0", "long_name": "Meshtastic 18c0", "short_name": "18c0", "macaddr": "AEsSsRjA", "hw_model": "TLORA_V2_1_1P6", "role": "CLIENT_BASE", "public_key": "P3YanqOUeV8p7Zo448PXOfj3CRliMxQv8B82f/vnZXA=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (82 bytes)
0a09213132623131386330120f4d65736874617374696320313863301a04313863302206004b12b118c02803380c42203f761a9ea394795f29ed9a38e3c3d739f8f709196233142ff01f367ffbe765704800
Hex Analysis:
Size:82 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
SYSXX BGW8 (SXB8) Primary 0.000s
Reference 		-110.0 dBm -2.75 dB 4 MediumFast 2026-04-21 17:55:19 Current
Aster-02 (AST2) -0.804s
Before 		-95.0 dBm -11.50 dB 3 MediumFast 2026-04-21 17:55:18 View
SYSXX YGW8 (SXY8) -0.028s
Before 		-76.0 dBm 6.75 dB 4 MediumFast 2026-04-21 17:55:19 View
Tsaritsyno_KB_U_868 (KBU8) +7.302s
After 		-110.0 dBm -4.50 dB 5 MediumFast 2026-04-21 17:55:26 View
Tsaritsyno_KB_V_868 (KBV8) +8.249s
After 		-63.0 dBm 10.75 dB 6 MediumFast 2026-04-21 17:55:27 View
5

Total Receptions

5

Unique Gateways