Packet #2454162 Success

NODEINFO_APP packet from Vratsa D2 🇧🇬🔋🌞🚧 (VRD2) to MeshMonitor VR (VRMM)

4
Total Receptions
4
Unique Gateways
0
Hop Count
97
Payload Bytes
Packet Information
Database ID: 2454162
Mesh Packet ID: 0x1b3fa641
Used for correlation across gateways
Timestamp: 2026-03-21 22:45:03 UTC
From Node: Vratsa D2 🇧🇬🔋🌞🚧 (VRD2)
To Node: MeshMonitor VR (VRMM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: MeshMonitor VR (VRMM)
Channel: Bulgaria
RSSI: -66 dBm
SNR: 11.25 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: d8 VRD2
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 97 bytes
Decoded: Yes
Decoded Data:
Long Name:Vratsa D2 🇧🇬🔋🌞🚧
Short Name:VRD2
Node ID:!db2f5ed8
MAC Address:EFHbL17Y
Hardware:HELTEC_WSL_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:97 bytes
Gateway:!433c4b24
Channel:Bulgaria
Payload Type:NODEINFO_APP
Hop Count:Unknown / 2
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 !433c4b24
Node ID format
channel_id Bulgaria
packet MeshPacket (97 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3677314776
Source node ID 		uint32
to 1128024868
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 97 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -66.0 dBm
Signal strength at gateway 		int32
rx_snr 11.25 dB
Signal quality at gateway 		float
rx_time 1774133103
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 36
Next hop node ID 		uint32
relay_node 216
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774133103.722784
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: Bulgaria
  • ✓ 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: !433c4b24
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -66.0 dBm
SNR: 11.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:97 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!db2f5ed8", "long_name": "Vratsa D2 🇧🇬🔋🌞🚧", "short_name": "VRD2", "macaddr": "EFHbL17Y", "hw_model": "HELTEC_WSL_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433c4b24", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3677314776, "to": 1128024868, "id": 457156161, "rx_time": 1774133103, "rx_snr": 11.25, "rx_rssi": -66, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 36, "relay_node": 216, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462326635656438121e56726174736120443220f09f87a7f09f87acf09f948bf09f8c9ef09f9aa71a045652443222061051db2f5ed8282c380b4220d83f74053aa7fb6b5b5dec1966d8bec75be22d4d5e8b90e6bbdf7bafdab8ed6e4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db2f5ed8", "long_name": "Vratsa D2 🇧🇬🔋🌞🚧", "short_name": "VRD2", "macaddr": "EFHbL17Y", "hw_model": "HELTEC_WSL_V3", "role": "ROUTER_LATE", "public_key": "2D90BTqn+2tbXewZZti+x1viLU1ei5Dmu997r9q47W4=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (97 bytes)
0a09216462326635656438121e56726174736120443220f09f87a7f09f87acf09f948bf09f8c9ef09f9aa71a045652443222061051db2f5ed8282c380b4220d83f74053aa7fb6b5b5dec1966d8bec75be22d4d5e8b90e6bbdf7bafdab8ed6e4800
Hex Analysis:
Size:97 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 Relay Channel Timestamp Actions
MeshMonitor VR (VRMM) Primary 0.000s
Reference 		-66.0 dBm 11.25 dB 0 d8 VRD2 Bulgaria 2026-03-21 22:45:03 UTC Current
Vratsa HV4-2 🇧🇬 ba48 (VRH4) -0.408s
Before 		-7.0 dBm 11.75 dB 0 d8 VRD2 Bulgaria 2026-03-21 22:45:03 UTC View
Vratsa MK 🇧🇬🏚️🛰️ (VRMK) -0.396s
Before 		-119.0 dBm -8.75 dB 0 d8 VRD2 Bulgaria 2026-03-21 22:45:03 UTC View
Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) -0.133s
Before 		Unknown 11.00 dB 0 d8 VRD2 Bulgaria 2026-03-21 22:45:03 UTC View
4

Total Receptions

4

Unique Gateways