Packet #17795671 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: 17795671
Mesh Packet ID: 0x48372272
Used for correlation across gateways
Timestamp: 2026-03-27 09:37:27 UTC
From Node: Meshtastic 5b2c (5b2c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: DIR Rooftop (DIR)
Channel: LongFast
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:LongFast
Payload Type:TELEMETRY_APP
Hop Count:2 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6985083c
Node ID format
channel_id LongFast
Default public channel
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 1774604247.9091344
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)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ 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": "LongFast", "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 LongFast 2026-03-27 09:37:27 UTC Current
DIR Rooftop (DIR) -0.046s
Before
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:27 UTC View
DIR Rooftop (DIR) +0.025s
After
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:27 UTC View
DIR Rooftop (DIR) +0.050s
After
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:27 UTC View
DIR Rooftop (DIR) +0.071s
After
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:27 UTC View
DIR Rooftop (DIR) +0.092s
After
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.114s
After
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.138s
After
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.162s
After
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.185s
After
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.207s
After
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.229s
After
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.250s
After
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.275s
After
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.297s
After
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.321s
After
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.345s
After
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.368s
After
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.390s
After
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.411s
After
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.432s
After
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.460s
After
-88.0 dBm -3.75 dB 2 8f MediumFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.484s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.506s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.533s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.557s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.588s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.615s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.673s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.716s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.767s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.820s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.856s
After
-88.0 dBm -3.75 dB 2 8f ShortFast 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.885s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.911s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.942s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +0.999s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +1.069s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:28 UTC View
DIR Rooftop (DIR) +1.122s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +1.170s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +1.206s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +1.231s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +1.257s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +1.285s
After
-88.0 dBm -3.75 dB 2 8f ShortTurbo 2026-03-27 09:37:29 UTC View
DIR Rooftop (DIR) +1.312s
After
-88.0 dBm -3.75 dB 2 8f LongFast 2026-03-27 09:37:29 UTC View
45

Total Receptions

1

Unique Gateways