Packet #17795692 Success

TELEMETRY_APP packet from Meshtastic 5b2c (5b2c) to !ffffffff

45
Total Receptions
1
Unique Gateways
2
Hop Count
26
Payload Bytes
Packet Information
Database ID: 17795692
Mesh Packet ID: 0x48372272
Used for correlation across gateways
Timestamp: 2026-03-27 09:37:28 UTC
From Node: Meshtastic 5b2c (5b2c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: DIR Rooftop (DIR)
Channel: ShortFast
RSSI: -88 dBm
SNR: -3.75 dBm
Hop Info: 2/3 hops
Start: 3, Limit: 1
Relay Node: 8f
Last byte of the last hop that relayed this packet
Payload Data
Protocol: TELEMETRY_APP
Size: 26 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:-0.00 V
Channel Usage:2.7%
Air Util TX:0.0%
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:26 bytes
Gateway:!6985083c
Channel:ShortFast
Payload Type:TELEMETRY_APP
Hop Count:2 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 !6985083c
Node ID format
channel_id ShortFast
packet MeshPacket (26 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3667745580
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 67
TELEMETRY_APP
enum
decoded.payload_length 26 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -88.0 dBm
Signal strength at gateway
int32
rx_snr -3.75 dB
Signal quality at gateway
float
rx_time 1774604248
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 143
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774604248.393611
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: ShortFast
  • ✓ 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: !6985083c
Signal Metrics: RSSI: -88.0 dBm
SNR: -3.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:26 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1774604239, "device_metrics": { "battery_level": 101, "voltage": -0.001, "channel_utilization": 2.685, "air_util_tx": 0.04475, "uptime_seconds": 61 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3667745580, "to": 4294967295, "id": 1211572850, "rx_time": 1774604248, "rx_snr": -3.75, "rx_rssi": -88, "hop_limit": 1, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 143, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dcf4fc66912130865156f1283ba1d0ad72b4025c74b373d283d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774604239, "device_metrics": { "battery_level": 101, "voltage": -0.001, "channel_utilization": 2.685, "air_util_tx": 0.04475, "uptime_seconds": 61 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (26 bytes)
0dcf4fc66912130865156f1283ba1d0ad72b4025c74b373d283d
Hex Analysis:
Size:26 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 Relay Channel Timestamp Actions
DIR Rooftop (DIR) Primary 0.000s
Reference
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC Current
DIR Rooftop (DIR) -0.530s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:27 UTC View
DIR Rooftop (DIR) -0.484s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:27 UTC View
DIR Rooftop (DIR) -0.459s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:27 UTC View
DIR Rooftop (DIR) -0.435s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:27 UTC View
DIR Rooftop (DIR) -0.414s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:27 UTC View
DIR Rooftop (DIR) -0.393s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.370s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.346s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.323s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.300s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.277s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.256s
Before
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.235s
Before
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.210s
Before
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.188s
Before
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.164s
Before
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.140s
Before
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.116s
Before
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.095s
Before
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.073s
Before
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.052s
Before
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) -0.024s
Before
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.021s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.049s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.073s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.104s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.130s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.188s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.231s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.283s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.336s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.372s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.401s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.427s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.457s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.515s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.584s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.638s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +0.686s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +0.722s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +0.747s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +0.773s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +0.801s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +0.828s
After
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:29 UTC View
45

Total Receptions

1

Unique Gateways