Packet #137353 Success

NODEINFO_APP packet from KARM.B-ukh6 Karmanovskiy to FRNZ&NEFT (ukh6) to !ffffffff

4
Total Receptions
4
Unique Gateways
7
Hop Count
104
Payload Bytes
Packet Information
Database ID: 137353
Mesh Packet ID: 0x1894fcbb
Used for correlation across gateways
Timestamp: 2026-01-14 11:36:37 UTC
From Node: KARM.B-ukh6 Karmanovskiy to FRNZ&NEFT (ukh6)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: KARM.B-ukh6 Karmanovskiy to FRNZ&NEFT (ukh6)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 7/7 hops
Start: 7, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 104 bytes
Decoded: Yes
Decoded Data:
Long Name:KARM.B-ukh1 Karmanovskiy to FRNZ&NEFT
Short Name:ukh1
Node ID:!81501324
MAC Address:WIyBUBMk
Hardware:M5STACK_C6L
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:104 bytes
Gateway:!81501324
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:7 / 7
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
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !81501324
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (104 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2169508644
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 104 bytes size
hop_limit Not set uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 7
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1768379945
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
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 36
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1768379797.1961691
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 (7 hops)
MQTT-Specific Fields
Gateway ID: !81501324
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:104 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!81501324", "long_name": "KARM.B-ukh1 Karmanovskiy to FRNZ&NEFT", "short_name": "ukh1", "macaddr": "WIyBUBMk", "hw_model": "M5STACK_C6L" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!81501324", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2169508644, "to": 4294967295, "id": 412417211, "rx_time": 1768379945, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 0, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 36, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921383135303133323412254b41524d2e422d756b6831204b61726d616e6f76736b697920746f2046524e5a264e4546541a04756b68312206588c81501324286f380c42209d9d0797a26ce4bcaa6d72ef35f8de48fd151c229eca9371733144f7c6319e294800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!81501324", "long_name": "KARM.B-ukh1 Karmanovskiy to FRNZ&NEFT", "short_name": "ukh1", "macaddr": "WIyBUBMk", "hw_model": "M5STACK_C6L", "role": "CLIENT_BASE", "public_key": "nZ0Hl6Js5LyqbXLvNfjeSP0VHCKeypNxczFE98Yxnik=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (104 bytes)
0a0921383135303133323412254b41524d2e422d756b6831204b61726d616e6f76736b697920746f2046524e5a264e4546541a04756b68312206588c81501324286f380c42209d9d0797a26ce4bcaa6d72ef35f8de48fd151c229eca9371733144f7c6319e294800
Hex Analysis:
Size:104 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
KARM.B-ukh6 Karmanovskiy to FRNZ&NEFT (ukh6) Primary 0.000s
Reference 		Unknown Unknown 7 LongFast 2026-01-14 11:36:37 Current
EKT MeshPocket (🐴) +4.951s
After 		-56.0 dBm 6.25 dB 7 LongFast 2026-01-14 11:36:42 View
HSKN_Trufanova (😎) +8.536s
After 		-63.0 dBm 11.50 dB 7 LongFast 2026-01-14 11:36:45 View
ZAV.B Grof_Tver (GRO1) +13.663s
After 		-121.0 dBm -11.50 dB 7 LongFast 2026-01-14 11:36:50 View
4

Total Receptions

4

Unique Gateways