Packet #12803760 Success

TELEMETRY_APP packet from g1bal (g1b0) to !ffffffff

21
Total Receptions
21
Unique Gateways
2
Hop Count
28
Payload Bytes
Packet Information
Database ID: 12803760
Mesh Packet ID: 0xf598eea4
Used for correlation across gateways
Timestamp: 2025-09-29 19:13:17 UTC
From Node: g1bal (g1b0)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Meshtastic 18a4 (18a4)
Channel: MediumSlow
RSSI: -121 dBm
SNR: -11.25 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:4.21 V
Air Util TX:0.2%
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:!c0c318a4
Channel:MediumSlow
Payload Type:TELEMETRY_APP
Hop Count:2 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 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 !c0c318a4
Node ID format
channel_id MediumSlow
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2697665696
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 4
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -121.0 dBm
Signal strength at gateway 		int32
rx_snr -11.25 dB
Signal quality at gateway 		float
rx_time 1759173252
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 245
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759173197.1223924
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
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !c0c318a4
Signal Metrics: RSSI: -121.0 dBm
SNR: -11.25 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": 1759173193, "device_metrics": { "battery_level": 101, "voltage": 4.212, "channel_utilization": 0.0, "air_util_tx": 0.17566667, "uptime_seconds": 190681 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697665696, "to": 4294967295, "id": 4120440484, "rx_time": 1759173252, "rx_snr": -11.25, "rx_rssi": -121, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 245, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d49dada681215086515b4c886401d0000000025f7e1333e28d9d10b", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1759173193, "device_metrics": { "battery_level": 101, "voltage": 4.212, "channel_utilization": 0.0, "air_util_tx": 0.17566667, "uptime_seconds": 190681 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d49dada681215086515b4c886401d0000000025f7e1333e28d9d10b
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 Channel Timestamp Actions
Meshtastic 18a4 (18a4) Primary 0.000s
Reference 		-121.0 dBm -11.25 dB 2 MediumSlow 2025-09-29 19:13:17 Current
g1bal (g1b0) -2.970s
Before 		Unknown Unknown 0 MediumSlow 2025-09-29 19:13:14 View
Venturada2🗼🌐☀️ (Vb2) -0.352s
Before 		-100.0 dBm -8.00 dB 2 MediumSlow 2025-09-29 19:13:16 View
Perseo 📡🌐☀ (nvm1) -0.299s
Before 		-91.0 dBm Unknown 2 MediumSlow 2025-09-29 19:13:16 View
Meshtastic 1760 (1760) -0.003s
Before 		-116.0 dBm 1.00 dB 2 MediumSlow 2025-09-29 19:13:17 View
Suop 📡 🌐 (SUOP) +0.024s
After 		-113.0 dBm -6.00 dB 2 MediumSlow 2025-09-29 19:13:17 View
Kenobi23 QTH (5aec) +0.090s
After 		-98.0 dBm -0.75 dB 2 MediumSlow 2025-09-29 19:13:17 View
Villalbilla02 (VBV2) +0.642s
After 		-114.0 dBm -3.75 dB 3 MediumSlow 2025-09-29 19:13:17 View
Arganda C191 🌐 (ARG) +1.961s
After 		-116.0 dBm -7.50 dB 3 MediumSlow 2025-09-29 19:13:19 View
[TLG] 📡🌐🔋🔌 (tlg0) +2.071s
After 		-113.0 dBm -7.50 dB 3 MediumSlow 2025-09-29 19:13:19 View
Meshtastic 2688 (2688) +2.412s
After 		-140.0 dBm -15.75 dB 3 MediumSlow 2025-09-29 19:13:19 View
Will - Azuqueca (WAzq) +2.539s
After 		-107.0 dBm Unknown 3 MediumSlow 2025-09-29 19:13:19 View
Mec Rocket Meco (MRM) +2.583s
After 		-110.0 dBm -7.50 dB 3 MediumSlow 2025-09-29 19:13:19 View
SkG@Home 📡🌐 (SkGH) +2.675s
After 		-109.0 dBm Unknown 4 MediumSlow 2025-09-29 19:13:19 View
Machu Pichu (MaPi) +2.874s
After 		-93.0 dBm -7.75 dB 3 MediumSlow 2025-09-29 19:13:19 View
Meshtastic c498📡🌐 (C498) +2.924s
After 		-119.0 dBm -14.75 dB 3 MediumSlow 2025-09-29 19:13:20 View
Naranjo C191 🌐 (FNL) +2.948s
After 		-113.0 dBm -6.75 dB 3 MediumSlow 2025-09-29 19:13:20 View
Meshtastic 53fc (53fc) +4.577s
After 		-116.0 dBm -3.00 dB 4 MediumSlow 2025-09-29 19:13:21 View
🌐Charly Unid Movil🛰 (C181) +4.889s
After 		-114.0 dBm -12.75 dB 4 MediumSlow 2025-09-29 19:13:22 View
TO_Cala_Base2🗼🌐☀️ (33C8) +5.009s
After 		-107.0 dBm -0.50 dB 4 MediumSlow 2025-09-29 19:13:22 View
Void🌀 (V01d) +17.669s
After 		-119.0 dBm -9.00 dB 4 MediumSlow 2025-09-29 19:13:34 View
21

Total Receptions

21

Unique Gateways