Packet #1509026 Success

NODEINFO_APP packet from EA7-AL-11 Sierra Alhamilla 🗼☀️ (AL11) to !a2e17690

1
Total Receptions
1
Unique Gateways
4
Hop Count
104
Payload Bytes
Packet Information
Database ID: 1509026
Mesh Packet ID: 0xe2e51b22
Used for correlation across gateways
Timestamp: 2026-07-12 11:15:13 UTC
From Node: EA7-AL-11 Sierra Alhamilla 🗼☀️ (AL11)
To Node: !a2e17690 (7690)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: EB4APF portable (4APF)
Channel: SFNarrow
RSSI: -113 dBm
SNR: 2.5 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: e3 TORO , RR70
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: 104 bytes
Decoded: Yes
Decoded Data:
Long Name:EA7-AL-11 Sierra Alhamilla 🗼☀️
Short Name:AL11
Node ID:!8573b80f
MAC Address:0dKFc7gP
Hardware:NRF52_PROMICRO_DIY
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:!433eea80
Channel:SFNarrow
Payload Type:NODEINFO_APP
Hop Count:4 / 4
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 (4 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !433eea80
Node ID format
channel_id SFNarrow
packet MeshPacket (104 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 2238953487
Source node ID 		uint32
to 2732684944
Target node ID 		uint32
decoded.portnum NODEINFO_APP
NODEINFO_APP 		enum
decoded.payload_length 104 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -113.0 dBm
Signal strength at gateway 		int32
rx_snr 2.50 dB
Signal quality at gateway 		float
rx_time 1783854912
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 32
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 227
Relay node ID 		uint32
tx_after Not set uint32
timestamp Not set 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: SFNarrow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433eea80
Signal Metrics: RSSI: -113.0 dBm
SNR: 2.50 dB
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": "!8573b80f", "long_name": "EA7-AL-11 Sierra Alhamilla 🗼☀️", "short_name": "AL11", "macaddr": "0dKFc7gP", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 2238953487, "to": 2732684944, "channel": 32, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhODU3M2I4MGYSJUVBNy1BTC0xMSBTaWVycmEgQWxoYW1pbGxhIPCfl7zimIDvuI8aBEFMMTEiBtHShXO4Dyg/OAJCILymWz3hFEF9QxjrBox5mBDiHc89CAZrmd3+hZrR4lAMSAE=", "request_id": 510109170, "bitfield": 1 }, "id": 3806665506, "rx_time": 1783854912, "rx_snr": 2.5, "rx_rssi": -113, "hop_start": 4, "relay_node": 227, "transport_mechanism": "TRANSPORT_LORA" }, "channel_id": "SFNarrow", "gateway_id": "!433eea80" }, "mesh_packet": { "from": 2238953487, "to": 2732684944, "channel": 32, "decoded": { "portnum": "NODEINFO_APP", "payload": "CgkhODU3M2I4MGYSJUVBNy1BTC0xMSBTaWVycmEgQWxoYW1pbGxhIPCfl7zimIDvuI8aBEFMMTEiBtHShXO4Dyg/OAJCILymWz3hFEF9QxjrBox5mBDiHc89CAZrmd3+hZrR4lAMSAE=", "request_id": 510109170, "bitfield": 1, "parsed_payload": { "id": "!8573b80f", "long_name": "EA7-AL-11 Sierra Alhamilla 🗼☀️", "short_name": "AL11", "macaddr": "0dKFc7gP", "hw_model": "NRF52_PROMICRO_DIY", "role": "ROUTER", "public_key": "vKZbPeEUQX1DGOsGjHmYEOIdzz0IBmuZ3f6FmtHiUAw=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } }, "id": 3806665506, "rx_time": 1783854912, "rx_snr": 2.5, "rx_rssi": -113, "hop_start": 4, "relay_node": 227, "transport_mechanism": "TRANSPORT_LORA" } }
Raw Packet Data (104 bytes)
0a0921383537336238306612254541372d414c2d31312053696572726120416c68616d696c6c6120f09f97bce29880efb88f1a04414c31312206d1d28573b80f283f38024220bca65b3de114417d4318eb068c799810e21dcf3d08066b99ddfe859ad1e2500c4801
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
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
EB4APF portable (4APF) Primary 0.000s
Reference 		-113.0 dBm 2.50 dB 4 e3 TORO , RR70 SFNarrow 2026-07-12 11:15:13 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways