Packet #28012981 Success

NODEINFO_APP packet from Aldinra_1640_🗼_🌐 (AldB) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

3
Total Receptions
3
Unique Gateways
1
Hop Count
85
Payload Bytes
Packet Information
Database ID: 28012981
Mesh Packet ID: 0x00ef2667
Used for correlation across gateways
Timestamp: 2025-12-16 09:45:02 UTC
From Node: Aldinra_1640_🗼_🌐 (AldB)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic 18a4 (18a4)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 1/5 hops
Start: 5, Limit: 4
Relay Node: 60 1760
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 85 bytes
Decoded: Yes
Decoded Data:
Long Name:Aldinra_1640_🗼_🌐
Short Name:AldB
Node ID:!a0cc1640
MAC Address:MO2gzBZA
Hardware:HELTEC_V3
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:85 bytes
Gateway:!c0c318a4
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:1 / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !c0c318a4
Node ID format
channel_id MediumFast
packet MeshPacket (85 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2697729600
Source node ID 		uint32
to 1129719940
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 85 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1765878504
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 80
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 96
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765878302.1069791
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: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
MQTT-Specific Fields
Gateway ID: !c0c318a4
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:85 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!a0cc1640", "long_name": "Aldinra_1640_🗼_🌐", "short_name": "AldB", "macaddr": "MO2gzBZA", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697729600, "to": 1129719940, "id": 15672935, "rx_time": 1765878504, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 80, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 96, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092161306363313634301216416c64696e72615f313634305ff09f97bc5ff09f8c901a04416c6442220630eda0cc1640282b4220c01d820fc1f8ab27be5fe8bce72c582cf2f15d95e6714f8fc6d1a72ce3252212", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!a0cc1640", "long_name": "Aldinra_1640_🗼_🌐", "short_name": "AldB", "macaddr": "MO2gzBZA", "hw_model": "HELTEC_V3", "public_key": "wB2CD8H4qye+X+i85yxYLPLxXZXmcU+PxtGnLOMlIhI=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (85 bytes)
0a092161306363313634301216416c64696e72615f313634305ff09f97bc5ff09f8c901a04416c6442220630eda0cc1640282b4220c01d820fc1f8ab27be5fe8bce72c582cf2f15d95e6714f8fc6d1a72ce3252212
Hex Analysis:
Size:85 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 18a4 (18a4) Primary 0.000s
Reference 		Unknown Unknown 1 60 1760 MediumFast 2025-12-16 09:45:02 UTC Current
Aldinra_1640_🗼_🌐 (AldB) -3.898s
Before 		Unknown Unknown 0 40 AldB MediumFast 2025-12-16 09:44:58 UTC View
Meshtastic 1760 (1760) -0.971s
Before 		-115.0 dBm -0.75 dB 0 40 AldB MediumFast 2025-12-16 09:45:01 UTC View
3

Total Receptions

3

Unique Gateways