Packet #10568681 Success

TELEMETRY_APP packet from Alnitak 🗼🌞 (Alk) to !ffffffff

20
Total Receptions
20
Unique Gateways
0
Hop Count
26
Payload Bytes
Packet Information
Database ID: 10568681
Mesh Packet ID: 0xcc6f5c62
Used for correlation across gateways
Timestamp: 2025-09-14 14:32:35 UTC
From Node: Alnitak 🗼🌞 (Alk)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Venturada base🗼🌐 (Vb)
Channel: MediumSlow
RSSI: -113 dBm
SNR: -3.75 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
Payload Data
Protocol: TELEMETRY_APP
Size: 26 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:99%
Voltage:4.18 V
Channel Usage:19.7%
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:26 bytes
Gateway:!2f72ec6c
Channel:MediumSlow
Payload Type:TELEMETRY_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !2f72ec6c
Node ID format
channel_id MediumSlow
packet MeshPacket (26 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3938403508
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 4
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -113.0 dBm
Signal strength at gateway 		int32
rx_snr -3.75 dB
Signal quality at gateway 		float
rx_time 1757860354
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 180
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1757860355.4463158
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: MediumSlow
  • ✓ 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
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !2f72ec6c
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -113.0 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": 65, "device_metrics": { "battery_level": 99, "voltage": 4.183, "channel_utilization": 19.716667, "air_util_tx": 0.08088889, "uptime_seconds": 65 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!2f72ec6c", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3938403508, "to": 4294967295, "id": 3429850210, "rx_time": 1757860354, "rx_snr": -3.75, "rx_rssi": -113, "hop_limit": 4, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 180, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d41000000121308631523db85401dbcbb9d412513a9a53d2841", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 65, "device_metrics": { "battery_level": 99, "voltage": 4.183, "channel_utilization": 19.716667, "air_util_tx": 0.08088889, "uptime_seconds": 65 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (26 bytes)
0d41000000121308631523db85401dbcbb9d412513a9a53d2841
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

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Venturada base🗼🌐 (Vb) Primary 0.000s
Reference 		-113.0 dBm -3.75 dB 0 MediumSlow 2025-09-14 14:32:35 Current
Venturada2🗼🌐☀️ (Vb2) -0.353s
Before 		-99.0 dBm 0.75 dB 0 MediumSlow 2025-09-14 14:32:35 View
Will - Azuqueca (WAzq) +1.475s
After 		-111.0 dBm -7.25 dB 1 MediumSlow 2025-09-14 14:32:36 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) +1.786s
After 		-111.0 dBm Unknown 1 MediumSlow 2025-09-14 14:32:37 View
Meshtastic 1760 (1760) +1.808s
After 		-128.0 dBm -10.75 dB 1 MediumSlow 2025-09-14 14:32:37 View
Tlgo 📡🌐🔋🔌 (TLG0) +1.841s
After 		-111.0 dBm -8.75 dB 1 MediumSlow 2025-09-14 14:32:37 View
Meshtastic fbec (fbec) +1.856s
After 		-129.0 dBm -8.75 dB 1 MediumSlow 2025-09-14 14:32:37 View
Ocumare_Base_🗼🌐 (CATA) +1.990s
After 		-115.0 dBm -14.50 dB 1 MediumSlow 2025-09-14 14:32:37 View
🌐Charly Unid Movil🛰 (C181) +2.046s
After 		-116.0 dBm -14.50 dB 1 MediumSlow 2025-09-14 14:32:37 View
GRN1-Base🗼🌐 (GRN1) +2.113s
After 		-114.0 dBm -7.50 dB 1 MediumSlow 2025-09-14 14:32:37 View
Villalbilla02 (VBV2) +2.396s
After 		-113.0 dBm -5.00 dB 1 MediumSlow 2025-09-14 14:32:37 View
Meshtastic 7960 (7960) +2.424s
After 		-74.0 dBm 8.25 dB 2 MediumSlow 2025-09-14 14:32:37 View
Mec Rocket Meco (MRM) +2.427s
After 		-102.0 dBm 0.25 dB 2 MediumSlow 2025-09-14 14:32:37 View
Meshtastic 18a4 (18a4) +2.755s
After 		-57.0 dBm 12.75 dB 2 MediumSlow 2025-09-14 14:32:38 View
Glitchs Azuqueca 📡 (GltA) +2.799s
After 		-126.0 dBm -14.50 dB 2 MediumSlow 2025-09-14 14:32:38 View
Meshtastic c498📡🌐 (C498) +2.862s
After 		-115.0 dBm -10.50 dB 2 MediumSlow 2025-09-14 14:32:38 View
Zion 🗼 (Zion) +2.937s
After 		-110.0 dBm -16.00 dB 2 MediumSlow 2025-09-14 14:32:38 View
Antonio 9f30 (9f30) +2.971s
After 		-121.0 dBm -15.75 dB 2 MediumSlow 2025-09-14 14:32:38 View
SkG@Home 🗼🌐 (SkGH) +5.360s
After 		-112.0 dBm -5.00 dB 2 MediumSlow 2025-09-14 14:32:40 View
SkG@Somewhere 🤨 (SkGs) +5.698s
After 		Unknown Unknown 3 MediumSlow 2025-09-14 14:32:41 View
20

Total Receptions

20

Unique Gateways