Packet #3230652 Success

NODEINFO_APP packet from Snagles LZ1S SWATbg 🇧🇬 🏡 (ECHO) to LZ1BLG🇧🇬 (BLAG)

1
Total Receptions
1
Unique Gateways
0
Hop Count
100
Payload Bytes
Packet Information
Database ID: 3230652
Mesh Packet ID: 0x7ff89c7a
Used for correlation across gateways
Timestamp: 2026-05-10 04:20:21 UTC
From Node: Snagles LZ1S SWATbg 🇧🇬 🏡 (ECHO)
To Node: LZ1BLG🇧🇬 (BLAG)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: BSRI72 LZ1S/r SWATbg 🇧🇬 🏠 (KILO)
Channel: Bulgaria
RSSI: -20 dBm
SNR: 13.0 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 3c ECHO
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: 100 bytes
Decoded: Yes
Decoded Data:
Long Name:Snagles LZ1S SWATbg 🇧🇬 🏡
Short Name:ECHO
Node ID:!e2e5a93c
MAC Address:SCfi5ak8
Hardware:LILYGO_TBEAM_S3_CORE
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:100 bytes
Gateway:!b2a74c38
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 !b2a74c38
Node ID format
channel_id Bulgaria
packet MeshPacket (100 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3806701884
Source node ID 		uint32
to 3866767604
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 100 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 -20.0 dBm
Signal strength at gateway 		int32
rx_snr 13.00 dB
Signal quality at gateway 		float
rx_time 1778386821
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 60
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1778386821.6394274
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: !b2a74c38
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -20.0 dBm
SNR: 13.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:100 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!e2e5a93c", "long_name": "Snagles LZ1S SWATbg 🇧🇬 🏡", "short_name": "ECHO", "macaddr": "SCfi5ak8", "hw_model": "LILYGO_TBEAM_S3_CORE" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b2a74c38", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3806701884, "to": 3866767604, "id": 2146999418, "rx_time": 1778386821, "rx_snr": 13.0, "rx_rssi": -20, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 60, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092165326535613933631221536e61676c6573204c5a31532053574154626720f09f87a7f09f87ac20f09f8fa11a044543484f22064827e2e5a93c280c380c4220851d35afe26fc8956486bc84a6bbdd923ef49393da3b29ab1fe6f51f625cd9054801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!e2e5a93c", "long_name": "Snagles LZ1S SWATbg 🇧🇬 🏡", "short_name": "ECHO", "macaddr": "SCfi5ak8", "hw_model": "LILYGO_TBEAM_S3_CORE", "role": "CLIENT_BASE", "public_key": "hR01r+JvyJVkhryEprvdkj70k5PaOymrH+b1H2Jc2QU=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (100 bytes)
0a092165326535613933631221536e61676c6573204c5a31532053574154626720f09f87a7f09f87ac20f09f8fa11a044543484f22064827e2e5a93c280c380c4220851d35afe26fc8956486bc84a6bbdd923ef49393da3b29ab1fe6f51f625cd9054801
Hex Analysis:
Size:100 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
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
BSRI72 LZ1S/r SWATbg 🇧🇬 🏠 (KILO) Primary 0.000s
Reference 		-20.0 dBm 13.00 dB 0 3c ECHO Bulgaria 2026-05-10 04:20:21 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways