Packet #17799281 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: 17799281
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: MediumFast
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:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:1 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 !433e868c
Node ID format
channel_id MediumFast
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 1774604940.6448193
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: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ 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": "MediumFast", "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 MediumFast 2026-03-27 09:49:00 UTC Current
Mechanicus Alpha (M1) -0.376s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.348s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.321s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.290s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.269s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.248s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.226s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.204s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.180s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.156s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.133s
Before
-125.0 dBm -18.25 dB 1 8c M1 LongFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.110s
Before
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.089s
Before
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.067s
Before
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) -0.041s
Before
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.045s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.095s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.138s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.172s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.195s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.219s
After
-125.0 dBm -18.25 dB 1 8c M1 MediumFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.240s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.262s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.283s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.305s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.329s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.353s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:00 UTC View
Mechanicus Alpha (M1) +0.375s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.398s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.420s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.442s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.463s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortFast 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.485s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.508s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.533s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.556s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.579s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.600s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.622s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.643s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.664s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.688s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.712s
After
-125.0 dBm -18.25 dB 1 8c M1 ShortTurbo 2026-03-27 09:49:01 UTC View
Mechanicus Alpha (M1) +0.735s
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