Packet #28391143 Success

TELEMETRY_APP packet from Chamartin_Bambu🗼☀️ (RPT4) to !ffffffff

21
Total Receptions
21
Unique Gateways
2
Hop Count
17
Payload Bytes
Packet Information
Database ID: 28391143
Mesh Packet ID: 0xb581cfa2
Used for correlation across gateways
Timestamp: 2025-12-18 02:45:43 UTC
From Node: Chamartin_Bambu🗼☀️ (RPT4)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Meshtastic 18a4 (18a4)
Channel: MediumFast
RSSI: -122 dBm
SNR: -13.25 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Relay Node: 40 AldB
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: TELEMETRY_APP
Size: 17 bytes
Decoded: Yes
Decoded Data:
Environment Metrics:
Temperature:11.3°C
Humidity:68.2%
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:17 bytes
Gateway:!c0c318a4
Channel:MediumFast
Payload Type:TELEMETRY_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 !c0c318a4
Node ID format
channel_id MediumFast
packet MeshPacket (17 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2035064309
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 67
TELEMETRY_APP 		enum
decoded.payload_length 17 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 -122.0 dBm
Signal strength at gateway 		int32
rx_snr -13.25 dB
Signal quality at gateway 		float
rx_time 1766026149
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 64
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1766025943.709492
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: !c0c318a4
Signal Metrics: RSSI: -122.0 dBm
SNR: -13.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:17 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1766025933, "environment_metrics": { "temperature": 11.35, "relative_humidity": 68.18 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2035064309, "to": 4294967295, "id": 3045183394, "rx_time": 1766026149, "rx_snr": -13.25, "rx_rssi": -122, "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": 64, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dcd6a43691a0a0d9a99354115295c8842", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1766025933, "environment_metrics": { "temperature": 11.35, "relative_humidity": 68.18 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (17 bytes)
0dcd6a43691a0a0d9a99354115295c8842
Hex Analysis:
Size:17 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
Meshtastic 18a4 (18a4) Primary 0.000s
Reference 		-122.0 dBm -13.25 dB 2 40 AldB MediumFast 2025-12-18 02:45:43 UTC Current
Meshtastic 26b0 (26b0) -9.921s
Before 		-101.0 dBm -1.25 dB 0 f5 RPT4 MediumFast 2025-12-18 02:45:33 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -9.854s
Before 		-98.0 dBm -11.75 dB 0 f5 RPT4 MediumFast 2025-12-18 02:45:33 UTC View
Ocumare Norte🗼🌐 (RRN) -9.648s
Before 		-103.0 dBm -8.00 dB 1 b0 Vbm , 26b0 MediumFast 2025-12-18 02:45:34 UTC View
[samsepi0l] 📡🌐 (tlg0) -9.645s
Before 		-101.0 dBm -7.50 dB 1 b0 PUPM , 26b0 MediumFast 2025-12-18 02:45:34 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) -9.294s
Before 		-100.0 dBm 5.75 dB 1 b0 Vbm , 26b0 MediumFast 2025-12-18 02:45:34 UTC View
MakeSpaceMadrid (MKS) -8.897s
Before 		-94.0 dBm 9.50 dB 1 d1 MKS2 MediumFast 2025-12-18 02:45:34 UTC View
ETH Maverick (ET01) -8.848s
Before 		-107.0 dBm -5.25 dB 1 61 TO1 MediumFast 2025-12-18 02:45:34 UTC View
Fenix (FENX) -8.746s
Before 		-117.0 dBm -10.00 dB 1 61 TO1 MediumFast 2025-12-18 02:45:34 UTC View
Pozuelo (POZ1) -8.603s
Before 		-88.0 dBm -6.25 dB 0 f5 RPT4 MediumFast 2025-12-18 02:45:35 UTC View
🤖 Nicolas Cage 🌐 (Cage) -8.303s
Before 		-98.0 dBm 6.50 dB 2 6c f56c MediumFast 2025-12-18 02:45:35 UTC View
Eagle’s Nest (EAGL) -8.199s
Before 		-114.0 dBm -4.00 dB 2 74 MediumFast 2025-12-18 02:45:35 UTC View
P3 iGate 🏠🌐 (P3N2) -8.064s
Before 		-39.0 dBm 10.50 dB 2 25 P3N1 MediumFast 2025-12-18 02:45:35 UTC View
JAGO1_Cañaveral (JAGO) -7.908s
Before 		Unknown 11.00 dB 2 70 JAG2 MediumFast 2025-12-18 02:45:35 UTC View
Mec Rocket Meco (MRM) -7.388s
Before 		-109.0 dBm -7.00 dB 3 a8 CALB MediumFast 2025-12-18 02:45:36 UTC View
tizon (Sylv) -7.322s
Before 		-120.0 dBm -12.00 dB 3 5d 🥖 MediumFast 2025-12-18 02:45:36 UTC View
Quixote_JS8_5🗼🌐 (QXT5) -7.092s
Before 		-114.0 dBm -9.00 dB 3 - MediumFast 2025-12-18 02:45:36 UTC View
Quixote_JS8_7 (QXT7) -7.090s
Before 		-18.0 dBm 11.00 dB 3 - MediumFast 2025-12-18 02:45:36 UTC View
Varela Bot 🏡🤖 (🤖) -6.201s
Before 		-85.0 dBm 8.25 dB 2 1c 🏡 MediumFast 2025-12-18 02:45:37 UTC View
Aldinra_1640_🗼_🌐 (AldB) -0.696s
Before 		-117.0 dBm -8.50 dB 1 b5 Knb0 MediumFast 2025-12-18 02:45:43 UTC View
Meshtastic 1760 (1760) -0.014s
Before 		-115.0 dBm 3.25 dB 2 40 AldB MediumFast 2025-12-18 02:45:43 UTC View
21

Total Receptions

21

Unique Gateways