Packet #120394 Success

NODEINFO_APP packet from Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) to Meshtastic e74e (Alex)

5
Total Receptions
5
Unique Gateways
1
Hop Count
102
Payload Bytes
Packet Information
Database ID: 120394
Mesh Packet ID: 0xce3f20b9
Used for correlation across gateways
Timestamp: 2025-08-31 12:37:37 UTC
From Node: Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB)
To Node: Meshtastic e74e (Alex)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Vratsa M1🇧🇬🏚️🛰️ (VRM1)
Channel: Bulgaria
RSSI: -91 dBm
SNR: 10.75 dBm
Hop Info: 1/2 hops
Start: 2, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 102 bytes
Decoded: Yes
Decoded Data:
Long Name:Vratsa Telegram Bot 🇧🇬🤖🛰️
Short Name:VRTB
Node ID:!23d164f8
MAC Address:5LMj0WT4
Hardware:HELTEC_HT62
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:102 bytes
Gateway:!433ddeec
Channel:Bulgaria
Payload Type:NODEINFO_APP
Hop Count:1 / 2
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 (1 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433ddeec
Node ID format
channel_id Bulgaria
packet MeshPacket (102 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 600925432
Source node ID 		uint32
to 1091299150
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 102 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -91.0 dBm
Signal strength at gateway 		int32
rx_snr 10.75 dB
Signal quality at gateway 		float
rx_time 1756633056
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 192
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1756633057.5898404
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
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433ddeec
Signal Metrics: RSSI: -91.0 dBm
SNR: 10.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:102 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!23d164f8", "long_name": "Vratsa Telegram Bot 🇧🇬🤖🛰️", "short_name": "VRTB", "macaddr": "5LMj0WT4", "hw_model": "HELTEC_HT62" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433ddeec", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 600925432, "to": 1091299150, "id": 3460243641, "rx_time": 1756633056, "rx_snr": 10.75, "rx_rssi": -91, "hop_limit": 1, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 192, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921323364313634663812275672617473612054656c656772616d20426f7420f09f87a7f09f87acf09fa496f09f9bb0efb88f1a04565254422206e4b323d164f828354220f8373beaadca81d17530dd550495c99cbe8a1af7d388e3a59b5ffcd0a4bb3f56", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!23d164f8", "long_name": "Vratsa Telegram Bot 🇧🇬🤖🛰️", "short_name": "VRTB", "macaddr": "5LMj0WT4", "hw_model": "HELTEC_HT62", "public_key": "+Dc76q3KgdF1MN1VBJXJnL6KGvfTiOOlm1/80KS7P1Y=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (102 bytes)
0a0921323364313634663812275672617473612054656c656772616d20426f7420f09f87a7f09f87acf09fa496f09f9bb0efb88f1a04565254422206e4b323d164f828354220f8373beaadca81d17530dd550495c99cbe8a1af7d388e3a59b5ffcd0a4bb3f56
Hex Analysis:
Size:102 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
Vratsa M1🇧🇬🏚️🛰️ (VRM1) Primary 0.000s
Reference 		-91.0 dBm 10.75 dB 1 Bulgaria 2025-08-31 12:37:37 Current
Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) -0.860s
Before 		Unknown Unknown 0 Bulgaria 2025-08-31 12:37:36 View
TC2-BBS📬💻🇧🇬 (TBBS) -0.196s
Before 		-51.0 dBm 9.25 dB 0 Bulgaria 2025-08-31 12:37:37 View
Vratsa LG 🇧🇬🚧 (VRLG) -0.155s
Before 		-41.0 dBm 9.25 dB 0 Bulgaria 2025-08-31 12:37:37 View
Vratsa G1 🇧🇬🌐🛰️ (VRG1) +0.034s
After 		-91.0 dBm 8.00 dB 1 Bulgaria 2025-08-31 12:37:37 View
5

Total Receptions

5

Unique Gateways