Packet #10574257 Success

TELEMETRY_APP packet from Prometeo ๐Ÿ—ผโ˜€๏ธ (nvm5) to !ffffffff

18
Total Receptions
18
Unique Gateways
1
Hop Count
32
Payload Bytes
Packet Information
Database ID: 10574257
Mesh Packet ID: 0x12397b0c
Used for correlation across gateways
Timestamp: 2025-09-14 15:27:36 UTC
From Node: Prometeo ๐Ÿ—ผโ˜€๏ธ (nvm5)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: ๐ŸŒCharly Unid Movil๐Ÿ›ฐ (C181)
Channel: MediumSlow
RSSI: -117 dBm
SNR: -15.25 dBm
Hop Info: 1/1 hops
Start: 1, Limit: 0
Payload Data
Protocol: TELEMETRY_APP
Size: 32 bytes
Decoded: Yes
Decoded Data:
Environment Metrics:
Temperature:16.7ยฐC
Humidity:35.6%
Pressure:945.1 hPa
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) โ†’ MeshPacket (Mesh layer) โ†’ Decoded Payload (Application data)
Total Size:32 bytes
Gateway:!b03de73c
Channel:MediumSlow
Payload Type:TELEMETRY_APP
Hop Count:1 / 1
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
โš  Visible to all nodes on channel
โš  Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b03de73c
Node ID format
channel_id MediumSlow
packet MeshPacket (32 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 382706308
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 67
TELEMETRY_APP
enum
decoded.payload_length 32 bytes size
hop_limit Not set uint32
hop_start 1
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -117.0 dBm
Signal strength at gateway
int32
rx_snr -15.25 dB
Signal quality at gateway
float
rx_time 1757863676
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 8
Relay node ID
uint32
tx_after Not set uint32
timestamp 1757863656.1268377
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:
  • โœ“ Direct LoRa transmission (not via MQTT)
  • โœ“ Custom channel: MediumSlow
  • โœ“ Gateway node ID tracked
Exposure Risks:
  • โš  Visible to all nodes on channel
  • โš  Packet visible to MQTT subscribers
  • โš  Multi-hop path visible (1 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !b03de73c
Signal Metrics: RSSI: -117.0 dBm
SNR: -15.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:32 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1757863647, "environment_metrics": { "temperature": 16.7, "relative_humidity": 35.591797, "barometric_pressure": 945.077, "voltage": 12.4, "current": 22.4 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b03de73c", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 382706308, "to": 4294967295, "id": 305756940, "rx_time": 1757863676, "rx_snr": -15.25, "rx_rssi": -117, "hop_limit": 0, "hop_start": 1, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 8, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0ddfdec6681a190d9a99854115005e0e421dee446c442d66664641353333b341", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1757863647, "environment_metrics": { "temperature": 16.7, "relative_humidity": 35.591797, "barometric_pressure": 945.077, "voltage": 12.4, "current": 22.4 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (32 bytes)
0ddfdec6681a190d9a99854115005e0e421dee446c442d66664641353333b341
Hex Analysis:
Size:32 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
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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
๐ŸŒCharly Unid Movil๐Ÿ›ฐ (C181) Primary 0.000s
Reference
-117.0 dBm -15.25 dB 1 MediumSlow 2025-09-14 15:27:36 Current
Will - Azuqueca (WAzq) -1.381s
Before
-97.0 dBm 4.25 dB 0 MediumSlow 2025-09-14 15:27:34 View
Perseo ๐Ÿ—ผ๐ŸŒ (nvm1) -1.378s
Before
-88.0 dBm 4.00 dB 0 MediumSlow 2025-09-14 15:27:34 View
Mec Rocket Meco (MRM) -1.376s
Before
-95.0 dBm -2.50 dB 0 MediumSlow 2025-09-14 15:27:34 View
SkG@Somewhere ๐Ÿคจ (SkGs) -1.037s
Before
-108.0 dBm -4.75 dB 0 MediumSlow 2025-09-14 15:27:35 View
Tlgo ๐Ÿ“ก๐ŸŒ๐Ÿ”‹๐Ÿ”Œ (TLG0) -0.976s
Before
-78.0 dBm 7.00 dB 0 MediumSlow 2025-09-14 15:27:35 View
GRN1-Base๐Ÿ—ผ๐ŸŒ (GRN1) -0.973s
Before
-101.0 dBm 3.00 dB 0 MediumSlow 2025-09-14 15:27:35 View
SkG@Home ๐Ÿ—ผ๐ŸŒ (SkGH) -0.903s
Before
-118.0 dBm -12.00 dB 0 MediumSlow 2025-09-14 15:27:35 View
Glitchs Azuqueca ๐Ÿ“ก (GltA) -0.815s
Before
-123.0 dBm -11.50 dB 0 MediumSlow 2025-09-14 15:27:35 View
Venturada2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (Vb2) -0.476s
Before
-97.0 dBm Unknown 1 MediumSlow 2025-09-14 15:27:35 View
Villalbilla02 (VBV2) -0.256s
Before
-110.0 dBm -1.75 dB 1 MediumSlow 2025-09-14 15:27:35 View
Venturada base๐Ÿ—ผ๐ŸŒ (Vb) -0.136s
Before
-88.0 dBm 8.25 dB 1 MediumSlow 2025-09-14 15:27:35 View
Meshtastic fbec (fbec) -0.134s
Before
-127.0 dBm -6.75 dB 1 MediumSlow 2025-09-14 15:27:35 View
@lazynoda cocidito ๐Ÿฅต ๐Ÿ—ผ๐ŸŒ (LNCM) -0.066s
Before
-111.0 dBm Unknown 1 MediumSlow 2025-09-14 15:27:36 View
Ocumare_Base_๐Ÿ—ผ๐ŸŒ (CATA) +0.075s
After
-112.0 dBm -15.75 dB 1 MediumSlow 2025-09-14 15:27:36 View
Meshtastic 1760 (1760) +0.857s
After
-119.0 dBm -4.00 dB 1 MediumSlow 2025-09-14 15:27:36 View
Antonio 9f30 (9f30) +1.318s
After
-122.0 dBm -16.75 dB 1 MediumSlow 2025-09-14 15:27:37 View
Meshtastic 18a4 (18a4) +1.510s
After
-121.0 dBm -12.50 dB 1 MediumSlow 2025-09-14 15:27:37 View
18

Total Receptions

18

Unique Gateways