Packet #30150683 Success

NODEINFO_APP packet from Dexter T1 (DexT) to CIUDAD REAL NORTE 🚧 MANCHASTIC☀️ (CRN)

11
Total Receptions
11
Unique Gateways
3
Hop Count
74
Payload Bytes
Packet Information
Database ID: 30150683
Mesh Packet ID: 0x718a7a42
Used for correlation across gateways
Timestamp: 2025-12-25 20:19:01 UTC
From Node: Dexter T1 (DexT)
To Node: CIUDAD REAL NORTE 🚧 MANCHASTIC☀️ (CRN)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: GRN1-Base🗼🌐 🔋 (GRN1)
Channel: MediumFast
RSSI: -106 dBm
SNR: -9.5 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Relay Node: None
Payload Data
Protocol: NODEINFO_APP
Size: 74 bytes
Decoded: Yes
Decoded Data:
Long Name:Dexter T1
Short Name:DexT
Node ID:!6985db5c
MAC Address:kHBphdtc
Hardware:HELTEC_V4
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:74 bytes
Gateway:!43b706e8
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:3 / 4
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 (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !43b706e8
Node ID format
channel_id MediumFast
packet MeshPacket (74 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1770380124
Source node ID 		uint32
to 1269307702
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 74 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -106.0 dBm
Signal strength at gateway 		int32
rx_snr -9.50 dB
Signal quality at gateway 		float
rx_time 1766693940
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 Not set uint32
tx_after Not set uint32
timestamp 1766693941.968778
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: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !43b706e8
Signal Metrics: RSSI: -106.0 dBm
SNR: -9.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:74 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!6985db5c", "long_name": "Dexter T1", "short_name": "DexT", "macaddr": "kHBphdtc", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!43b706e8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770380124, "to": 1269307702, "id": 1904900674, "rx_time": 1766693940, "rx_snr": -9.5, "rx_rssi": -106, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921363938356462356312094465787465722054311a0444657854220690706985db5c286e4220fd7b2a89563f34a7cb0d9e74553a48242a0a92dd9cce99bb08a666d38c8f2f314800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!6985db5c", "long_name": "Dexter T1", "short_name": "DexT", "macaddr": "kHBphdtc", "hw_model": "HELTEC_V4", "public_key": "/XsqiVY/NKfLDZ50VTpIJCoKkt2czpm7CKZm04yPLzE=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (74 bytes)
0a0921363938356462356312094465787465722054311a0444657854220690706985db5c286e4220fd7b2a89563f34a7cb0d9e74553a48242a0a92dd9cce99bb08a666d38c8f2f314800
Hex Analysis:
Size:74 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
GRN1-Base🗼🌐 🔋 (GRN1) Primary 0.000s
Reference 		-106.0 dBm -9.50 dB 3 - MediumFast 2025-12-25 20:19:01 UTC Current
[samsepi0l] 📡🌐 (tlg0) +0.709s
After 		-95.0 dBm -1.75 dB 3 - MediumFast 2025-12-25 20:19:02 UTC View
Venturada2 🗼🌞 (Vb2) +1.233s
After 		-104.0 dBm -5.50 dB 4 e8 🏐 , GRN1 , LCG1 MediumFast 2025-12-25 20:19:03 UTC View
🎄 SkG@Home 📡🌐 (SkGH) +2.315s
After 		-105.0 dBm -14.50 dB 4 f5 SPK3 , RPT4 MediumFast 2025-12-25 20:19:04 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) +2.852s
After 		-99.0 dBm -8.50 dB 4 38 tlg0 MediumFast 2025-12-25 20:19:04 UTC View
JAGO1_Cañaveral (JAGO) +3.097s
After 		-111.0 dBm -6.00 dB 4 38 tlg0 MediumFast 2025-12-25 20:19:05 UTC View
Varela Bot 🏡🤖 (🤖) +3.783s
After 		-82.0 dBm 9.25 dB 4 1c 🏡 MediumFast 2025-12-25 20:19:05 UTC View
Meshtastic b2b4📡🌐 (b2b4) +4.441s
After 		-114.0 dBm -15.00 dB 4 2d SkyB MediumFast 2025-12-25 20:19:06 UTC View
Karabanchel_Baldur (KarB) +4.480s
After 		-99.0 dBm -1.50 dB 4 2d SkyB MediumFast 2025-12-25 20:19:06 UTC View
🤖 Nicolas Cage 🌐 (Cage) +4.662s
After 		-65.0 dBm 10.75 dB 4 2d SkyB MediumFast 2025-12-25 20:19:06 UTC View
Skynet (Sky) +6.443s
After 		-44.0 dBm 10.50 dB 4 2d SkyB MediumFast 2025-12-25 20:19:08 UTC View
11

Total Receptions

11

Unique Gateways