Packet #27693797 Success

NODEINFO_APP packet from Karabanchel_Baldur (KarB) to !ffffffff

16
Total Receptions
16
Unique Gateways
2
Hop Count
83
Payload Bytes
Packet Information
Database ID: 27693797
Mesh Packet ID: 0xb3570e32
Used for correlation across gateways
Timestamp: 2025-12-14 22:42:46 UTC
From Node: Karabanchel_Baldur (KarB)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: 🎄 SkG@Home 📡🌐 (SkGH)
Channel: MediumFast
RSSI: -103 dBm
SNR: -13.0 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Relay Node: b0 Vb2
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: 83 bytes
Decoded: Yes
Decoded Data:
Long Name:Karabanchel_Baldur
Short Name:KarB
Node ID:!13280088
MAC Address:0M8TKACI
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:83 bytes
Gateway:!13267e64
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:2 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !13267e64
Node ID format
channel_id MediumFast
packet MeshPacket (83 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 321388680
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 83 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -103.0 dBm
Signal strength at gateway 		int32
rx_snr -13.00 dB
Signal quality at gateway 		float
rx_time 1765752166
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 176
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765752166.4405375
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
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !13267e64
Signal Metrics: RSSI: -103.0 dBm
SNR: -13.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:83 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!13280088", "long_name": "Karabanchel_Baldur", "short_name": "KarB", "macaddr": "0M8TKACI", "hw_model": "SEEED_XIAO_S3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!13267e64", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 321388680, "to": 4294967295, "id": 3008826930, "rx_time": 1765752166, "rx_snr": -13.0, "rx_rssi": -103, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 176, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921313332383030383812124b61726162616e6368656c5f42616c6475721a044b6172422206d0cf132800882851380c42200744cefb30f9015825372a6913e2bb3ec5183badefb15b79eee25b0d703ad73f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!13280088", "long_name": "Karabanchel_Baldur", "short_name": "KarB", "macaddr": "0M8TKACI", "hw_model": "SEEED_XIAO_S3", "role": "CLIENT_BASE", "public_key": "B0TO+zD5AVglNyppE+K7PsUYO63vsVt57uJbDXA61z8=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (83 bytes)
0a0921313332383030383812124b61726162616e6368656c5f42616c6475721a044b6172422206d0cf132800882851380c42200744cefb30f9015825372a6913e2bb3ec5183badefb15b79eee25b0d703ad73f
Hex Analysis:
Size:83 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
🎄 SkG@Home 📡🌐 (SkGH) Primary 0.000s
Reference 		-103.0 dBm -13.00 dB 2 b0 Vb2 MediumFast 2025-12-14 22:42:46 UTC Current
Karabanchel_Baldur (KarB) -3.445s
Before 		Unknown Unknown 0 88 KarB , FENX MediumFast 2025-12-14 22:42:42 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -2.847s
Before 		-99.0 dBm -8.25 dB 0 88 KarB MediumFast 2025-12-14 22:42:43 UTC View
Venturada2 🗼🌞 (Vb2) -0.447s
Before 		-97.0 dBm -2.50 dB 1 c8 c4c8 MediumFast 2025-12-14 22:42:45 UTC View
Justicia Meshtastic b0e4 🏢 (b0e4) -0.388s
Before 		-118.0 dBm -11.50 dB 1 25 🌇 MediumFast 2025-12-14 22:42:46 UTC View
JAGO1_Cañaveral (JAGO) -0.004s
Before 		-119.0 dBm -10.50 dB 2 b0 Vbm , PUPM , Vb2 MediumFast 2025-12-14 22:42:46 UTC View
Ocumare Norte🗼🌐 (RRN) +0.003s
After 		-105.0 dBm -11.25 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-14 22:42:46 UTC View
mario (mmm) +0.191s
After 		-119.0 dBm -15.50 dB 2 b0 Vb2 MediumFast 2025-12-14 22:42:46 UTC View
NodeJPL6 (JPL6) +0.304s
After 		-95.0 dBm -7.75 dB 2 b0 Vb2 MediumFast 2025-12-14 22:42:46 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) +0.376s
After 		-97.0 dBm 0.50 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-14 22:42:46 UTC View
tizon (Sylv) +0.726s
After 		-120.0 dBm -12.25 dB 1 24 vid MediumFast 2025-12-14 22:42:47 UTC View
Fenix (FENX) +0.729s
After 		-115.0 dBm -10.00 dB 1 24 vid MediumFast 2025-12-14 22:42:47 UTC View
Villarejo01 (VIL1) +1.542s
After 		-117.0 dBm -12.50 dB 2 61 TO1 MediumFast 2025-12-14 22:42:47 UTC View
Rodashtastic🗼🌐 (RDSt) +1.565s
After 		-101.0 dBm 6.75 dB 3 e7 BJN MediumFast 2025-12-14 22:42:48 UTC View
Eagle’s Nest (EAGL) +2.090s
After 		-113.0 dBm -3.00 dB 3 74 MediumFast 2025-12-14 22:42:48 UTC View
Quass001 ☄️ (Q001) +3.786s
After 		-48.0 dBm 10.00 dB 4 3a Q005 MediumFast 2025-12-14 22:42:50 UTC View
16

Total Receptions

16

Unique Gateways