Packet #3106156 Success

NEIGHBORINFO_APP packet from PA3JH 🏠 (2.7.5) (3JH1) to !ffffffff

1
Total Receptions
1
Unique Gateways
0
Hop Count
132
Payload Bytes
Packet Information
Database ID: 3106156
Mesh Packet ID: 0xb2b5a1ed
Used for correlation across gateways
Timestamp: 2025-08-19 15:47:50 UTC
From Node: PA3JH 🏠 (2.7.5) (3JH1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NEIGHBORINFO_APP
Port: 71
Gateway: PA3JH 🏠 (2.7.5) (3JH1)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/5 hops
Start: 5, Limit: 5
Payload Data
Protocol: NEIGHBORINFO_APP
Size: 132 bytes
Decoded: Yes
Decoded Data:
Neighbor Information Report
Reporting Node: PA3JH 🏠 (2.7.5) (3JH1)
Last Sent By: PA3JH 🏠 (2.7.5) (3JH1)
Broadcast Interval:900 seconds
Neighbors Found:9
9

Active Neighbors

Neighbor Details
Neighbor Node SNR Last Heard Broadcast Interval Signal Quality
EHV-Router-46m (6.2) ☀️ (Boca) -6.8 dB Unknown Unknown Poor
EHV-GESTEL-01 (GSTL) -15.8 dB Unknown Unknown Poor
PA3JH RAK 📟 (3JH4) 7.2 dB Unknown Unknown Excellent
PA3JH 🗼 (2.7.3) (3JH2) -5.0 dB Unknown Unknown Fair
de bison: 2dae (2dae) -16.0 dB Unknown Unknown Poor
PA3JH 🤖 (3JH3) 5.5 dB Unknown Unknown Excellent
PA3JH T-1000 📟 (3JH6) 6.2 dB Unknown Unknown Excellent
Meshtastic 374e (374e) 3.5 dB Unknown Unknown Good
EHV-BRL-33m S&F ✅ (7.2) (Boca) -8.2 dB Unknown Unknown Poor
This neighbor information was reported by PA3JH 🏠 (2.7.5) (3JH1) and shows which nodes it can directly communicate with and their signal quality.
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:132 bytes
Gateway:!a2ea1998
Channel:LongFast
Payload Type:NEIGHBORINFO_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a2ea1998
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (132 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2733250968
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 71
NEIGHBORINFO_APP 		enum
decoded.payload_length 132 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 1755611269
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 152
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1755611270.6226954
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !a2ea1998
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NEIGHBORINFO_APP
Size:132 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "node_id": 2733250968, "last_sent_by_id": 2733250968, "node_broadcast_interval_secs": 900, "neighbors": [ { "node_id": 3618296060, "snr": -6.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "EHV-Router-46m (6.2) ☀️ (Boca)" }, { "node_id": 1127999960, "snr": -15.75, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "EHV-GESTEL-01 (GSTL)" }, { "node_id": 482352614, "snr": 7.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "PA3JH RAK 📟 (3JH4)" }, { "node_id": 862420264, "snr": -5.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "PA3JH 🗼 (2.7.3) (3JH2)" }, { "node_id": 308358574, "snr": -16.0, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "de bison: 2dae (2dae)" }, { "node_id": 1127901036, "snr": 5.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "PA3JH 🤖 (3JH3)" }, { "node_id": 940467120, "snr": 6.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "PA3JH T-1000 📟 (3JH6)" }, { "node_id": 1964717902, "snr": 3.5, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "Meshtastic 374e (374e)" }, { "node_id": 3774230072, "snr": -8.25, "last_rx_time": null, "node_broadcast_interval_secs": null, "last_rx_time_str": "Unknown", "node_name": "EHV-BRL-33m S&F ✅ (7.2) (Boca)" } ], "neighbor_count": 9, "node_name": "PA3JH 🏠 (2.7.5) (3JH1)", "last_sent_by_name": "PA3JH 🏠 (2.7.5) (3JH1)" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a2ea1998", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2733250968, "to": 4294967295, "id": 2998247917, "rx_time": 1755611269, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 5, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 152, "tx_after": 0, "decoded": { "portnum": 71, "payload": "0898b3a8970a1098b3a8970a188407220b08fca1abbd0d150000d8c0220b08d8d3ef99041500007cc1220b08e6bb80e601150000e840220b08a8fa9d9b03150000a0c0220b08aedb84930115000080c1220b08eccee99904150000b040220b08b0c7b9c003150000c840220b08ceeeeca8071500006040220b08b8dcd8870e15000004c1", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "node_id": 2733250968, "last_sent_by_id": 2733250968, "node_broadcast_interval_secs": 900, "neighbors": [ { "node_id": 3618296060, "snr": -6.75 }, { "node_id": 1127999960, "snr": -15.75 }, { "node_id": 482352614, "snr": 7.25 }, { "node_id": 862420264, "snr": -5.0 }, { "node_id": 308358574, "snr": -16.0 }, { "node_id": 1127901036, "snr": 5.5 }, { "node_id": 940467120, "snr": 6.25 }, { "node_id": 1964717902, "snr": 3.5 }, { "node_id": 3774230072, "snr": -8.25 } ], "type": "protobuf", "portnum": "NEIGHBORINFO_APP", "message_class": "NeighborInfo" } } } }
Raw Packet Data (132 bytes)
0898b3a8970a1098b3a8970a188407220b08fca1abbd0d150000d8c0220b08d8d3ef99041500007cc1220b08e6bb80e601150000e840220b08a8fa9d9b03150000a0c0220b08aedb84930115000080c1220b08eccee99904150000b040220b08b0c7b9c003150000c840220b08ceeeeca8071500006040220b08b8dcd8870e15000004c1
Hex Analysis:
Size:132 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 Channel Timestamp Actions
PA3JH 🏠 (2.7.5) (3JH1) Primary 0.000s
Reference 		Unknown Unknown 0 LongFast 2025-08-19 15:47:50 Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways