Packet #3417086 Success

TELEMETRY_APP packet from Meshtastic 631c (GRBH) to 68 Sector David (68SD)

14
Total Receptions
14
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 3417086
Mesh Packet ID: 0x8bf5cbda
Used for correlation across gateways
Timestamp: 2025-12-11 08:43:36 UTC
From Node: Meshtastic 631c (GRBH)
To Node: 68 Sector David (68SD)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Meshtastic 631c (GRBH)
Channel: PKI
RSSI: Unknown
SNR: Unknown
Hop Info: 0/5 hops
Start: 5, Limit: 5
Relay Node: 1c GRBH
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:101%
Voltage:4.58 V
Channel Usage:16.3%
Air Util TX:2.8%
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:!db51631c
Channel:PKI
Payload Type:TELEMETRY_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db51631c
Node ID format
channel_id PKI
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3679544092
Source node ID 		uint32
to 2064801807
Target node ID 		uint32
decoded.portnum 67
TELEMETRY_APP 		enum
decoded.payload_length 28 bytes size
hop_limit 5
Remaining hops allowed 		uint32
hop_start 5
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 1765442755
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 70
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 28
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765442616.8190582
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Custom channel: PKI
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !db51631c
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": 1765442755, "device_metrics": { "battery_level": 101, "voltage": 4.575, "channel_utilization": 16.266666, "air_util_tx": 2.781139, "uptime_seconds": 58089 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db51631c", "channel_id": "PKI", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3679544092, "to": 2064801807, "id": 2348141530, "rx_time": 1765442755, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 5, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 28, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dc3843a691215086515666692401d22228241252efe314028e9c503", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765442755, "device_metrics": { "battery_level": 101, "voltage": 4.575, "channel_utilization": 16.266666, "air_util_tx": 2.781139, "uptime_seconds": 58089 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0dc3843a691215086515666692401d22228241252efe314028e9c503
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
Meshtastic 631c (GRBH) Primary 0.000s
Reference 		Unknown Unknown 0 1c GRBH PKI 2025-12-11 08:43:36 UTC Current
Meshtastic e41a (GRBT) +1.021s
After 		-39.0 dBm 5.50 dB 0 1c GRBH PKI 2025-12-11 08:43:37 UTC View
25 Washington Ave (25WA) +70.544s
After 		-88.0 dBm -15.75 dB 1 3d P1NY PKI 2025-12-11 08:44:47 UTC View
Steiner Studios Tower (SST) +71.862s
After 		-84.0 dBm 6.25 dB 2 25 25WA PKI 2025-12-11 08:44:48 UTC View
YMH 1 @ Your Mom’s House (YMH1) +71.871s
After 		-116.0 dBm -9.00 dB 2 25 25WA PKI 2025-12-11 08:44:48 UTC View
Whitebox ⬜ (⬜) +72.051s
After 		-123.0 dBm -14.50 dB 2 25 PKI 2025-12-11 08:44:48 UTC View
Mobile Fish 4 (MF4) +84.809s
After 		-116.0 dBm -15.00 dB 5 b8 PKI 2025-12-11 08:45:01 UTC View
Fried Fish FF1 (FF1) +84.815s
After 		-89.0 dBm -8.25 dB 5 b8 🫠 PKI 2025-12-11 08:45:01 UTC View
dkTowerBot (dkTB) +218.041s
After 		-107.0 dBm -17.25 dB 3 7b 4b7b PKI 2025-12-11 08:47:14 UTC View
Izutsumi - seano@masto.nyc (izu) +218.206s
After 		-101.0 dBm -6.50 dB 3 7b 4b7b PKI 2025-12-11 08:47:15 UTC View
beefy tracker (BFYT) +230.272s
After 		-109.0 dBm -4.00 dB 4 98 PKI 2025-12-11 08:47:27 UTC View
Claudiopolis-440c (440c) +242.501s
After 		-90.0 dBm -2.75 dB 5 5b wvs1 , P0NY PKI 2025-12-11 08:47:39 UTC View
DRP0 Astoria (DRP0) +270.210s
After 		-70.0 dBm -4.50 dB 5 b2 😴 , CBZ1 PKI 2025-12-11 08:48:07 UTC View
CBZ0 🚕 mobile (CBZ0) +270.615s
After 		-61.0 dBm 5.75 dB 5 b2 CBZ1 PKI 2025-12-11 08:48:07 UTC View
14

Total Receptions

14

Unique Gateways