Packet #2517134 Success

TEXT_MESSAGE_APP packet from LZ0DCH Mesh router (LZTX) to !ffffffff

2
Total Receptions
1
Unique Gateways
0
Hop Count
5
Payload Bytes
Packet Information
Database ID: 2517134
Mesh Packet ID: 0xa40a4d71
Used for correlation across gateways
Timestamp: 2026-03-26 13:55:57 UTC
From Node: LZ0DCH Mesh router (LZTX)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TEXT_MESSAGE_APP
Port: 1
Gateway: LZ0DCH Mesh router (LZTX)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 97 LZTX
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: TEXT_MESSAGE_APP
Size: 5 bytes
Decoded: Yes
Text Content:
proba
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:5 bytes
Gateway:!f704f197
Channel:MediumFast
Payload Type:TEXT_MESSAGE_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !f704f197
Node ID format
channel_id MediumFast
packet MeshPacket (5 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4144296343
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 1
TEXT_MESSAGE_APP 		enum
decoded.payload_length 5 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 Not set int32
rx_snr Not set float
rx_time 1774533355
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 100
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 151
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774533357.9309852
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !f704f197
Zero Hop Policy: Enabled
Direct gateway connection
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f704f197", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4144296343, "to": 4294967295, "id": 2752138609, "rx_time": 1774533355, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 100, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 151, "tx_after": 0, "decoded": { "portnum": 1, "payload": "70726f6261", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "text": "proba", "type": "text_message", "portnum": "TEXT_MESSAGE_APP" } } } }
Raw Packet Data (5 bytes)
70726f6261
Hex Analysis:
Size:5 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
LZ0DCH Mesh router (LZTX) Primary 0.000s
Reference 		Unknown Unknown 0 97 LZTX MediumFast 2026-03-26 13:55:57 UTC Current
LZ0DCH Mesh router (LZTX) -0.071s
Before 		Unknown Unknown 0 97 LZTX MediumFast 2026-03-26 13:55:57 UTC View
2

Total Receptions

1

Unique Gateways