Packet #17799269 Success

TELEMETRY_APP packet from Da Fonz (Fonz) to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
29
Payload Bytes
Packet Information
Database ID: 17799269
Mesh Packet ID: 0xf71b768b
Used for correlation across gateways
Timestamp: 2026-03-27 09:49:00 UTC
From Node: Da Fonz (Fonz)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Mechanicus Alpha (M1)
Channel: LongFast
RSSI: -125 dBm
SNR: -18.25 dBm
Hop Info: 1/3 hops
Start: 3, Limit: 2
Relay Node: 8c M1
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: 29 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:66%
Voltage:3.86 V
Air Util TX:0.9%
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:29 bytes
Gateway:!433e868c
Channel:LongFast
Payload Type:TELEMETRY_APP
Hop Count:1 / 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 !433e868c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (29 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 48884384
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 67
TELEMETRY_APP
enum
decoded.payload_length 29 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -125.0 dBm
Signal strength at gateway
int32
rx_snr -18.25 dB
Signal quality at gateway
float
rx_time 1774604939
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 140
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774604940.3545177
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 (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433e868c
Signal Metrics: RSSI: -125.0 dBm
SNR: -18.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:29 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1774604934, "device_metrics": { "battery_level": 66, "voltage": 3.86, "channel_utilization": 0.0, "air_util_tx": 0.8753611, "uptime_seconds": 2549536 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433e868c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 48884384, "to": 4294967295, "id": 4145772171, "rx_time": 1774604939, "rx_snr": -18.25, "rx_rssi": -125, "hop_limit": 2, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 140, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d8652c66912160842153d0a77401d0000000025aa17603f28a0ce9b01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774604934, "device_metrics": { "battery_level": 66, "voltage": 3.86, "channel_utilization": 0.0, "air_util_tx": 0.8753611, "uptime_seconds": 2549536 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (29 bytes)
0d8652c66912160842153d0a77401d0000000025aa17603f28a0ce9b01
Hex Analysis:
Size:29 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
Mechanicus Alpha (M1) Primary 0.000s
Reference
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC Current
Mechanicus Alpha (M1) -0.085s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.057s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.030s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.021s
After
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.043s
After
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.064s
After
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.086s
After
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.110s
After
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.134s
After
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.157s
After
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.180s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.201s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.223s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.250s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.290s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.336s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.385s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.429s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.462s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.486s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.509s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.531s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.552s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.574s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.595s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.619s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.644s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.665s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.689s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.710s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.732s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.753s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.775s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.799s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.823s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.846s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.869s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.891s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.912s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.933s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.954s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.978s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +1.002s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +1.026s
After
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:01 UTC View
45

Total Receptions

1

Unique Gateways