Packet #2403380 Success

TEXT_MESSAGE_APP packet from Meshtastic 678c (678c) to Mac Móvil 2304 (McMv)

3
Total Receptions
3
Unique Gateways
0
Hop Count
4
Payload Bytes
Packet Information
Database ID: 2403380
Mesh Packet ID: 0xe4d13ec4
Used for correlation across gateways
Timestamp: 2025-06-30 19:16:58 UTC
From Node: Meshtastic 678c (678c)
To Node: Mac Móvil 2304 (McMv)
Success: Processed
Protocol: TEXT_MESSAGE_APP
Port: 1
Gateway: Meshtastic 678c (678c)
Channel: PKI
RSSI: Unknown
SNR: Unknown
Hop Info: 0/5 hops
Start: 5, Limit: 5
Payload Data
Protocol: TEXT_MESSAGE_APP
Size: 4 bytes
Decoded: Yes
Text Content:
😱
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:4 bytes
Gateway:!b21a678c
Channel:PKI
Payload Type:TEXT_MESSAGE_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ PKI encrypted packet
+ 5 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b21a678c
Node ID format
channel_id PKI
packet MeshPacket (4 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2988074892
Source node ID 		uint32
to 114172676
Target node ID 		uint32
decoded.portnum 1
TEXT_MESSAGE_APP 		enum
decoded.payload_length 4 bytes size
hop_limit 5
Remaining hops allowed 		uint32
hop_start 5
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 1751311017
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack True
Acknowledgment requested 		bool
priority 100
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted True
PKI encryption used 		bool
next_hop Not set uint32
relay_node 140
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1751311018.7005389
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)
  • ✓ PKI encrypted packet
  • ✓ Acknowledgment requested
  • ✓ Targeted to specific node
  • ✓ Custom channel: PKI
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Pki encrypted: True
Want ack: True
Gateway ID: !b21a678c
Zero Hop Policy: Enabled
Direct gateway connection
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b21a678c", "channel_id": "PKI", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2988074892, "to": 114172676, "id": 3838918340, "rx_time": 1751311017, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 5, "hop_start": 5, "via_mqtt": 0, "want_ack": 1, "priority": 100, "delayed": 0, "channel_index": null, "pki_encrypted": 1, "next_hop": 0, "relay_node": 140, "tx_after": 0, "decoded": { "portnum": 1, "payload": "f09f98b1", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "text": "😱", "type": "text_message", "portnum": "TEXT_MESSAGE_APP" } } } }
Raw Packet Data (4 bytes)
f09f98b1
Hex Analysis:
Size:4 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
Meshtastic 678c (678c) Primary 0.000s
Reference 		Unknown Unknown 0 PKI 2025-06-30 19:16:58 Current
🇪🇸Lanselot Metric (Lans) +6.094s
After 		-123.0 dBm -20.25 dB 2 PKI 2025-06-30 19:17:04 View
Meshtastic 2224 (2224) +1812.439s
After 		-74.0 dBm 6.00 dB 0 PKI 2025-06-30 19:47:11 View
3

Total Receptions

3

Unique Gateways