Packet #10261000 Success

TELEMETRY_APP packet from Meshtastic 9fbd (9fbd) to !ffffffff

11
Total Receptions
11
Unique Gateways
4
Hop Count
17
Payload Bytes
Packet Information
Database ID: 10261000
Mesh Packet ID: 0x0489fc98
Used for correlation across gateways
Timestamp: 2025-09-12 10:16:57 UTC
From Node: Meshtastic 9fbd (9fbd)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: SkG@Home πŸ“‘πŸŒ (SkGH)
Channel: MediumSlow
RSSI: -121 dBm
SNR: -14.5 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Payload Data
Protocol: TELEMETRY_APP
Size: 17 bytes
Decoded: Yes
Decoded Data:
Environment Metrics:
Temperature:29.7Β°C
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) β†’ MeshPacket (Mesh layer) β†’ Decoded Payload (Application data)
Total Size:17 bytes
Gateway:!405d4a44
Channel:MediumSlow
Payload Type:TELEMETRY_APP
Hop Count:4 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ Custom channel: MediumSlow
+ 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 !405d4a44
Node ID format
channel_id MediumSlow
packet MeshPacket (17 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3553730493
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 Not set uint32
hop_start 4
Initial hop limit
uint32
hops_taken 4
Calculated: hop_start - hop_limit
derived
rx_rssi -121.0 dBm
Signal strength at gateway
int32
rx_snr -14.50 dB
Signal quality at gateway
float
rx_time 1757672216
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 187
Relay node ID
uint32
tx_after Not set uint32
timestamp 1757672217.9362712
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:
  • βœ“ Direct LoRa transmission (not via MQTT)
  • βœ“ Custom channel: MediumSlow
  • βœ“ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !405d4a44
Signal Metrics: RSSI: -121.0 dBm
SNR: -14.50 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": 1757672212, "environment_metrics": { "temperature": 29.705244, "lux": 100.0 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!405d4a44", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3553730493, "to": 4294967295, "id": 76151960, "rx_time": 1757672216, "rx_snr": -14.5, "rx_rssi": -121, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 187, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d14f3c3681a0a0d57a4ed414d0000c842", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1757672212, "environment_metrics": { "temperature": 29.705244, "lux": 100.0 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (17 bytes)
0d14f3c3681a0a0d57a4ed414d0000c842
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
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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
SkG@Home πŸ“‘πŸŒ (SkGH) Primary 0.000s
Reference
-121.0 dBm -14.50 dB 4 MediumSlow 2025-09-12 10:16:57 Current
GRN1-BaseπŸ—ΌπŸŒ (GRN1) -2.741s
Before
-122.0 dBm -12.50 dB 2 MediumSlow 2025-09-12 10:16:55 View
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -2.583s
Before
-97.0 dBm Unknown 3 MediumSlow 2025-09-12 10:16:55 View
@lazynoda cocidito πŸ₯΅ πŸ—ΌπŸŒ (LNCM) -2.245s
Before
-113.0 dBm -1.25 dB 3 MediumSlow 2025-09-12 10:16:55 View
Machu Pichu (MaPi) -2.240s
Before
-104.0 dBm -13.25 dB 3 MediumSlow 2025-09-12 10:16:55 View
Venturada baseπŸ—ΌπŸŒ (Vb) -2.196s
Before
-91.0 dBm 8.00 dB 3 MediumSlow 2025-09-12 10:16:55 View
RodashtasticπŸ—ΌπŸŒ (RDSt) -2.194s
Before
-115.0 dBm -6.50 dB 3 MediumSlow 2025-09-12 10:16:55 View
Tlgo πŸ“‘πŸŒπŸ”‹πŸ”Œ (TLG0) -2.186s
Before
-116.0 dBm -10.50 dB 3 MediumSlow 2025-09-12 10:16:55 View
Meshtastic fbec (fbec) -2.174s
Before
-131.0 dBm -9.50 dB 3 MediumSlow 2025-09-12 10:16:55 View
Perseo πŸ“‘ 🌐 (nvm1) -1.752s
Before
-101.0 dBm -9.25 dB 4 MediumSlow 2025-09-12 10:16:56 View
Mec Rocket Meco (MRM) -1.731s
Before
-34.0 dBm 9.00 dB 4 MediumSlow 2025-09-12 10:16:56 View
11

Total Receptions

11

Unique Gateways