Packet #487 Success

NODEINFO_APP packet from Meshtastic 443c (443c) to !433d9f94

2
Total Receptions
2
Unique Gateways
0
Hop Count
80
Payload Bytes
Packet Information
Database ID: 487
Mesh Packet ID: 0x948ec875
Used for correlation across gateways
Timestamp: 2026-04-03 13:26:38 UTC
From Node: Meshtastic 443c (443c)
To Node: !433d9f94 (9f94)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Matrix -8🇪🇸 (Neo.)
Channel: LongFast
RSSI: -20 dBm
SNR: 9.5 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
Relay Node: 3c 443c
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: 80 bytes
Decoded: Yes
Decoded Data:
Long Name:Meshtastic 443c
Short Name:443c
Node ID:!a1d8443c
MAC Address:4HKh2EQ8
Hardware:SEEED_XIAO_S3
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:80 bytes
Gateway:!e294de7f
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:0 / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
âš  Default channel - no encryption
âš  Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !e294de7f
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (80 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 2715305020
Source node ID 		uint32
to 1128112020
Target node ID 		uint32
decoded.portnum NODEINFO_APP
NODEINFO_APP 		enum
decoded.payload_length 80 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 4
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 9.50 dB
Signal quality at gateway 		float
rx_time 1775222798
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 8
Channel index 		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 Not set 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
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Default channel - no encryption
  • âš  Packet visible to MQTT subscribers
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !e294de7f
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -20.0 dBm
SNR: 9.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:80 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!a1d8443c", "long_name": "Meshtastic 443c", "short_name": "443c", "macaddr": "4HKh2EQ8", "hw_model": "SEEED_XIAO_S3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 2715305020, "to": 1128112020, "channel": 8, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhYTFkODQ0M2MSD01lc2h0YXN0aWMgNDQzYxoENDQzYyIG4HKh2EQ8KFFCID7K2bLclIhT2Ms60E35mWgLRqz87FjuKpktP8QeakQUSAA=", "want_response": true, "bitfield": 3 }, "id": 2492385397, "rx_time": 1775222798, "rx_snr": 9.5, "hop_limit": 4, "rx_rssi": -20, "hop_start": 4, "relay_node": 60, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "LongFast", "gateway_id": "!e294de7f" }, "mesh_packet": { "from": 2715305020, "to": 1128112020, "channel": 8, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhYTFkODQ0M2MSD01lc2h0YXN0aWMgNDQzYxoENDQzYyIG4HKh2EQ8KFFCID7K2bLclIhT2Ms60E35mWgLRqz87FjuKpktP8QeakQUSAA=", "want_response": true, "bitfield": 3, "parsed_payload": { "id": "!a1d8443c", "long_name": "Meshtastic 443c", "short_name": "443c", "macaddr": "4HKh2EQ8", "hw_model": "SEEED_XIAO_S3", "public_key": "PsrZstyUiFPYyzrQTfmZaAtGrPzsWO4qmS0/xB5qRBQ=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 2492385397, "rx_time": 1775222798, "rx_snr": 9.5, "hop_limit": 4, "rx_rssi": -20, "hop_start": 4, "relay_node": 60, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (80 bytes)
0a09216131643834343363120f4d65736874617374696320343433631a04343433632206e072a1d8443c285142203ecad9b2dc948853d8cb3ad04df999680b46acfcec58ee2a992d3fc41e6a44144800
Hex Analysis:
Size:80 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
Matrix -8🇪🇸 (Neo.) Primary 0.000s
Reference 		-20.0 dBm 9.50 dB 0 3c 443c LongFast 2026-04-03 13:26:38 UTC Current
3 hops Gateways that received this packet after 3 hops
Magellan01🇵🇹CLB8 (MGL1) +32.759s
After 		-43.0 dBm 6.25 dB 3 f1 MGLN LongFast 2026-04-03 13:27:10 UTC View
2

Total Receptions

2

Unique Gateways