Packet #167948 Success

NODEINFO_APP packet from LZ2NKN๐Ÿ LF-NODE (NKNH) to LX1XXL (M777)

3
Total Receptions
3
Unique Gateways
2
Hop Count
85
Payload Bytes
Packet Information
Database ID: 167948
Mesh Packet ID: 0x28e262ab
Used for correlation across gateways
Timestamp: 2025-09-09 14:33:27 UTC
From Node: LZ2NKN๐Ÿ LF-NODE (NKNH)
To Node: LX1XXL (M777)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: LZ2SLL ๐“Š๐“‹ผ๐“Š๐“‹ผ๐“Š (0xAF)
Channel: Bulgaria
RSSI: -112 dBm
SNR: -16.5 dBm
Hop Info: 2/2 hops
Start: 2, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 85 bytes
Decoded: Yes
Decoded Data:
Long Name:LZ2NKN๐Ÿ LF-NODE
Short Name:NKNH
Node ID:!9ee840f4
MAC Address:nBOe6ED0
Hardware:HELTEC_V3
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) โ†’ MeshPacket (Mesh layer) โ†’ Decoded Payload (Application data)
Total Size:85 bytes
Gateway:!1b8c7774
Channel:Bulgaria
Payload Type:NODEINFO_APP
Hop Count:2 / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Targeted to specific node
+ 2 more...
Exposure Risks:
โš  Packet visible to MQTT subscribers
โš  Multi-hop path visible (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !1b8c7774
Node ID format
channel_id Bulgaria
packet MeshPacket (85 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2666021108
Source node ID 		uint32
to 237686442
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 85 bytes size
hop_limit Not set uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -112.0 dBm
Signal strength at gateway 		int32
rx_snr -16.50 dB
Signal quality at gateway 		float
rx_time 1757417607
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 160
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1757417607.9260795
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:
  • โœ“ Direct LoRa transmission (not via MQTT)
  • โœ“ Targeted to specific node
  • โœ“ Custom channel: Bulgaria
  • โœ“ Gateway node ID tracked
Exposure Risks:
  • โš  Packet visible to MQTT subscribers
  • โš  Multi-hop path visible (2 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !1b8c7774
Signal Metrics: RSSI: -112.0 dBm
SNR: -16.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:85 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!9ee840f4", "long_name": "LZ2NKN๐Ÿ LF-NODE ", "short_name": "NKNH", "macaddr": "nBOe6ED0", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!1b8c7774", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2666021108, "to": 237686442, "id": 685925035, "rx_time": 1757417607, "rx_snr": -16.5, "rx_rssi": -112, "hop_limit": 0, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 160, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921396565383430663412124c5a324e4b4ef09f8fa04c462d4e4f4445201a044e4b4e4822069c139ee840f4282b380142205223a147e8c755163b4cf7df78e37a631ebd3c33b251ccb8c9374a0edccff23f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!9ee840f4", "long_name": "LZ2NKN๐Ÿ LF-NODE ", "short_name": "NKNH", "macaddr": "nBOe6ED0", "hw_model": "HELTEC_V3", "role": "CLIENT_MUTE", "public_key": "UiOhR+jHVRY7TPffeON6Yx69PDOyUcy4yTdKDtzP8j8=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (85 bytes)
0a0921396565383430663412124c5a324e4b4ef09f8fa04c462d4e4f4445201a044e4b4e4822069c139ee840f4282b380142205223a147e8c755163b4cf7df78e37a631ebd3c33b251ccb8c9374a0edccff23f4800
Hex Analysis:
Size:85 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
LZ2SLL ๐“Š๐“‹ผ๐“Š๐“‹ผ๐“Š (0xAF) Primary 0.000s
Reference 		-112.0 dBm -16.50 dB 2 Bulgaria 2025-09-09 14:33:27 Current
LZ2NKN๐Ÿ LF-NODE (NKNH) -20.692s
Before 		Unknown Unknown 0 Bulgaria 2025-09-09 14:33:07 View
LZ2ELM tracker๐Ÿ‡ง๐Ÿ‡ฌ (2ELM) +0.089s
After 		-105.0 dBm -5.50 dB 0 Bulgaria 2025-09-09 14:33:28 View
3

Total Receptions

3

Unique Gateways