Packet #40708022 Success

TELEMETRY_APP packet from VE2DID a540 (2DID) to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
28
Payload Bytes
Packet Information
Database ID: 40708022
Mesh Packet ID: 0xab5b5265
Used for correlation across gateways
Timestamp: 2026-05-19 08:40:37 UTC
From Node: VE2DID a540 (2DID)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: !a20a1130 (1130)
Channel: LongFast
RSSI: -77 dBm
SNR: 6.75 dBm
Hop Info: 1/3 hops
Start: 3, Limit: 2
Relay Node: None
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:4.30 V
Channel Usage:10.7%
Air Util TX:0.7%
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:!a20a1130
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 !a20a1130
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1770366272
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 2
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -77.0 dBm
Signal strength at gateway 		int32
rx_snr 6.75 dB
Signal quality at gateway 		float
rx_time 1779180035
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 Not set uint32
tx_after Not set uint32
timestamp 1779180037.3233871
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: !a20a1130
Signal Metrics: RSSI: -77.0 dBm
SNR: 6.75 dB
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": 1779180026, "device_metrics": { "battery_level": 101, "voltage": 4.305, "channel_utilization": 10.748334, "air_util_tx": 0.70655555, "uptime_seconds": 157339 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a20a1130", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770366272, "to": 4294967295, "id": 2874888805, "rx_time": 1779180035, "rx_snr": 6.75, "rx_rssi": -77, "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": 0, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dfa210c6a12150865158fc289401d2df92b4125d3e0343f289bcd09", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1779180026, "device_metrics": { "battery_level": 101, "voltage": 4.305, "channel_utilization": 10.748334, "air_util_tx": 0.70655555, "uptime_seconds": 157339 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0dfa210c6a12150865158fc289401d2df92b4125d3e0343f289bcd09
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
!a20a1130 (1130) Primary 0.000s
Reference 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:37 UTC Current
!a20a1130 (1130) -1.472s
Before 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
!a20a1130 (1130) -1.450s
Before 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
!a20a1130 (1130) -1.384s
Before 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
!a20a1130 (1130) -1.347s
Before 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
!a20a1130 (1130) -1.287s
Before 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -1.266s
Before 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -1.244s
Before 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -1.222s
Before 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -1.176s
Before 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -1.139s
Before 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -1.115s
Before 		-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -1.093s
Before 		-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -1.059s
Before 		-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -1.027s
Before 		-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.979s
Before 		-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.955s
Before 		-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.918s
Before 		-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.885s
Before 		-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.840s
Before 		-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.805s
Before 		-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.727s
Before 		-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.683s
Before 		-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.661s
Before 		-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.626s
Before 		-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.565s
Before 		-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.531s
Before 		-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.498s
Before 		-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.440s
Before 		-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.404s
Before 		-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.381s
Before 		-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.358s
Before 		-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.336s
Before 		-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
!a20a1130 (1130) -0.315s
Before 		-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) -0.282s
Before 		-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) -0.259s
Before 		-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) -0.236s
Before 		-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) -0.208s
Before 		-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) -0.184s
Before 		-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) -0.149s
Before 		-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) -0.127s
Before 		-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) -0.106s
Before 		-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) -0.070s
Before 		-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) -0.047s
Before 		-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
!a20a1130 (1130) -0.024s
Before 		-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
45

Total Receptions

1

Unique Gateways