Packet #39481924 Success

TELEMETRY_APP packet from JPG 37fc (JPGx) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39481924
Mesh Packet ID: 0xf9a8bc8c
Used for correlation across gateways
Timestamp: 2026-05-16 07:17:55 UTC
From Node: JPG 37fc (JPGx)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: JPG 37fc (JPGx)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: fc JPGx
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: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:98%
Voltage:4.13 V
Air Util TX:0.1%
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:28 bytes
Gateway:!f71e37fc
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !f71e37fc
Node ID format
channel_id MediumFast
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4145952764
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 67
TELEMETRY_APP 		enum
decoded.payload_length 28 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1778915874
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 252
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1778915875.1034873
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !f71e37fc
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1778915874, "device_metrics": { "battery_level": 98, "voltage": 4.131, "channel_utilization": 0.0, "air_util_tx": 0.06369444, "uptime_seconds": 529719 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f71e37fc", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4145952764, "to": 4294967295, "id": 4188585100, "rx_time": 1778915874, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 252, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d221a086a1215086215273184401d00000000253b72823d28b7aa20", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1778915874, "device_metrics": { "battery_level": 98, "voltage": 4.131, "channel_utilization": 0.0, "air_util_tx": 0.06369444, "uptime_seconds": 529719 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d221a086a1215086215273184401d00000000253b72823d28b7aa20
Hex Analysis:
Size:28 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

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
JPG 37fc (JPGx) Primary 0.000s
Reference 		Unknown Unknown 0 fc JPGx MediumFast 2026-05-16 07:17:55 UTC Current
JPG 37fc (JPGx) -0.435s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.413s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.393s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.373s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.352s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.332s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.306s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.282s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.258s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.236s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.216s
Before 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.195s
Before 		Unknown Unknown 0 fc JPGx MediumFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.175s
Before 		Unknown Unknown 0 fc JPGx MediumFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.154s
Before 		Unknown Unknown 0 fc JPGx MediumFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.131s
Before 		Unknown Unknown 0 fc JPGx MediumFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.108s
Before 		Unknown Unknown 0 fc JPGx MediumFast 2026-05-16 07:17:54 UTC View
JPG 37fc (JPGx) -0.085s
Before 		Unknown Unknown 0 fc JPGx MediumFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) -0.062s
Before 		Unknown Unknown 0 fc JPGx MediumFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) -0.041s
Before 		Unknown Unknown 0 fc JPGx MediumFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) -0.021s
Before 		Unknown Unknown 0 fc JPGx MediumFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.021s
After 		Unknown Unknown 0 fc JPGx MediumFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.044s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.067s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.090s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.113s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.134s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.154s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.174s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.195s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.219s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.242s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.265s
After 		Unknown Unknown 0 fc JPGx ShortFast 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.287s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.308s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.329s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.350s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.370s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.394s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.418s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.440s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.463s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.484s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.504s
After 		Unknown Unknown 0 fc JPGx ShortTurbo 2026-05-16 07:17:55 UTC View
JPG 37fc (JPGx) +0.525s
After 		Unknown Unknown 0 fc JPGx LongFast 2026-05-16 07:17:55 UTC View
45

Total Receptions

1

Unique Gateways