Packet #14234982 Success

TELEMETRY_APP packet from CPZS_☀️📡 (CPZS) to !ffffffff

21
Total Receptions
21
Unique Gateways
2
Hop Count
26
Payload Bytes
Packet Information
Database ID: 14234982
Mesh Packet ID: 0x5ff35f13
Used for correlation across gateways
Timestamp: 2025-10-08 20:00:22 UTC
From Node: CPZS_☀️📡 (CPZS)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Karabanchel_Baldur (KarB)
Channel: MediumSlow
RSSI: -101 dBm
SNR: -9.75 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: TELEMETRY_APP
Size: 26 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:74%
Voltage:3.93 V
Channel Usage:7.2%
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:!13280088
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 !13280088
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 1127905172
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 2
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -101.0 dBm
Signal strength at gateway 		int32
rx_snr -9.75 dB
Signal quality at gateway 		float
rx_time 1759953622
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 132
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759953622.94483
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: !13280088
Signal Metrics: RSSI: -101.0 dBm
SNR: -9.75 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": 1759953606, "device_metrics": { "battery_level": 74, "voltage": 3.933, "channel_utilization": 7.235, "air_util_tx": 0.052833337, "uptime_seconds": 61 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!13280088", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1127905172, "to": 4294967295, "id": 1609785107, "rx_time": 1759953622, "rx_snr": -9.75, "rx_rssi": -101, "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": 132, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dc6c2e6681213084a1546b67b401d1f85e74025c567583d283d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1759953606, "device_metrics": { "battery_level": 74, "voltage": 3.933, "channel_utilization": 7.235, "air_util_tx": 0.052833337, "uptime_seconds": 61 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (26 bytes)
0dc6c2e6681213084a1546b67b401d1f85e74025c567583d283d
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
Karabanchel_Baldur (KarB) Primary 0.000s
Reference 		-101.0 dBm -9.75 dB 2 MediumSlow 2025-10-08 20:00:22 Current
Will - Azuqueca (WAzq) +0.006s
After 		-112.0 dBm -11.50 dB 2 MediumSlow 2025-10-08 20:00:22 View
Venturada2🗼🌐☀️ (Vb2) +0.012s
After 		-88.0 dBm 2.75 dB 2 MediumSlow 2025-10-08 20:00:22 View
Mec Rocket Meco (MRM) +0.017s
After 		-95.0 dBm 5.25 dB 2 MediumSlow 2025-10-08 20:00:22 View
Meshtastic 1760 (1760) +0.360s
After 		-130.0 dBm -11.25 dB 2 MediumSlow 2025-10-08 20:00:23 View
[TLG] 📡🌐🔋🔌 (tlg0) +0.384s
After 		-72.0 dBm 9.00 dB 2 MediumSlow 2025-10-08 20:00:23 View
GRN1-Base🗼🌐 (GRN1) +0.388s
After 		-87.0 dBm 5.75 dB 2 MediumSlow 2025-10-08 20:00:23 View
Meshtastic 18a4 (18a4) +0.803s
After 		Unknown Unknown 3 MediumSlow 2025-10-08 20:00:23 View
XiaoWatt c4c8 🌐🔌 (c4c8) +0.865s
After 		-97.0 dBm -3.75 dB 3 MediumSlow 2025-10-08 20:00:23 View
tizon (Sylv) +1.129s
After 		-121.0 dBm -9.75 dB 3 MediumSlow 2025-10-08 20:00:24 View
Machu Pichu (MaPi) +1.132s
After 		-104.0 dBm -6.25 dB 3 MediumSlow 2025-10-08 20:00:24 View
Oxygen EA4HKU (O) +1.354s
After 		-111.0 dBm -8.00 dB 3 MediumSlow 2025-10-08 20:00:24 View
Trasto 🐰 Va (trva) +1.356s
After 		-119.0 dBm -15.75 dB 2 MediumSlow 2025-10-08 20:00:24 View
🌐Charly Unid Movil🛰 (C181) +1.392s
After 		-109.0 dBm -7.00 dB 3 MediumSlow 2025-10-08 20:00:24 View
Monolito (MoN) +1.474s
After 		-65.0 dBm 9.50 dB 4 MediumSlow 2025-10-08 20:00:24 View
Carbon EA4HKU (C) +1.652s
After 		-110.0 dBm -0.50 dB 3 MediumSlow 2025-10-08 20:00:24 View
Suop 📡 🌐 (SUOP) +1.735s
After 		-110.0 dBm -1.00 dB 3 MediumSlow 2025-10-08 20:00:24 View
Meshtastic 870c📡🌐 (870c) +1.911s
After 		-95.0 dBm 4.25 dB 4 MediumSlow 2025-10-08 20:00:24 View
Quass002 ☄️ (Q002) +2.273s
After 		-125.0 dBm -16.50 dB 4 MediumSlow 2025-10-08 20:00:25 View
Quass001 ☄️ (Q001) +2.638s
After 		-107.0 dBm -5.75 dB 4 MediumSlow 2025-10-08 20:00:25 View
Meshtastic 54a4 Justicia (54a4) +3.934s
After 		-114.0 dBm -10.25 dB 4 MediumSlow 2025-10-08 20:00:26 View
21

Total Receptions

21

Unique Gateways