Packet #27876289 Success

NODEINFO_APP packet from GRN1-Base🗼🌐 🔋 (GRN1) to !ffffffff

20
Total Receptions
20
Unique Gateways
2
Hop Count
85
Payload Bytes
Packet Information
Database ID: 27876289
Mesh Packet ID: 0xc81241ac
Used for correlation across gateways
Timestamp: 2025-12-15 18:57:44 UTC
From Node: GRN1-Base🗼🌐 🔋 (GRN1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mikasa 🧣 📟 (🧣)
Channel: MediumFast
RSSI: -84 dBm
SNR: -7.0 dBm
Hop Info: 2/3 hops
Start: 3, Limit: 1
Relay Node: dc f1dc
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:GRN1-Base🗼🌐 🔋
Short Name:🔋
Node ID:!43b706e8
MAC Address:SMpDtwbo
Hardware:HELTEC_WSL_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:!aca70b7c
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:2 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !aca70b7c
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 1136068328
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 85 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -84.0 dBm
Signal strength at gateway 		int32
rx_snr -7.00 dB
Signal quality at gateway 		float
rx_time 1765825064
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 Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 220
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765825064.5691159
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)
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !aca70b7c
Signal Metrics: RSSI: -84.0 dBm
SNR: -7.00 dB
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": "!43b706e8", "long_name": "GRN1-Base🗼🌐 🔋", "short_name": "🔋", "macaddr": "SMpDtwbo", "hw_model": "HELTEC_WSL_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!aca70b7c", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1136068328, "to": 4294967295, "id": 3356639660, "rx_time": 1765825064, "rx_snr": -7.0, "rx_rssi": -84, "hop_limit": 1, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 220, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213433623730366538121647524e312d42617365f09f97bcf09f8c9020f09f948b1a04f09f948b220648ca43b706e8282c422045a1acfcf826e9af974bf72bdea2275852627239b42b620cef8a23e0f0d61e63", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!43b706e8", "long_name": "GRN1-Base🗼🌐 🔋", "short_name": "🔋", "macaddr": "SMpDtwbo", "hw_model": "HELTEC_WSL_V3", "public_key": "RaGs/Pgm6a+XS/cr3qInWFJicjm0K2IM74oj4PDWHmM=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (85 bytes)
0a09213433623730366538121647524e312d42617365f09f97bcf09f8c9020f09f948b1a04f09f948b220648ca43b706e8282c422045a1acfcf826e9af974bf72bdea2275852627239b42b620cef8a23e0f0d61e63
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
Mikasa 🧣 📟 (🧣) Primary 0.000s
Reference 		-84.0 dBm -7.00 dB 2 dc f1dc MediumFast 2025-12-15 18:57:44 UTC Current
GRN1-Base🗼🌐 🔋 (GRN1) -4.591s
Before 		Unknown Unknown 0 e8 GRN1 MediumFast 2025-12-15 18:57:39 UTC View
Venturada2🗼🌐☀️ (Vb2) -4.238s
Before 		-106.0 dBm -10.00 dB 0 e8 GRN1 , LCG1 MediumFast 2025-12-15 18:57:40 UTC View
Rodashtastic🗼🌐 (RDSt) -3.913s
Before 		-116.0 dBm -7.50 dB 0 e8 GRN1 MediumFast 2025-12-15 18:57:40 UTC View
JAGO1_Cañaveral (JAGO) -3.842s
Before 		-123.0 dBm -14.00 dB 1 b0 Vbm , PUPM , Vb2 MediumFast 2025-12-15 18:57:40 UTC View
Ocumare Norte🗼🌐 (RRN) -3.835s
Before 		-103.0 dBm -8.25 dB 1 b0 Vbm , Vb2 MediumFast 2025-12-15 18:57:40 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -3.806s
Before 		-81.0 dBm 7.25 dB 1 b0 Vbm , Vb2 MediumFast 2025-12-15 18:57:40 UTC View
Villalbilla02 (VBV2) -3.516s
Before 		-115.0 dBm -5.25 dB 1 b0 Vb2 MediumFast 2025-12-15 18:57:41 UTC View
🎄 SkG@Home 📡🌐 (SkGH) -3.243s
Before 		-98.0 dBm -10.00 dB 1 61 TO1 MediumFast 2025-12-15 18:57:41 UTC View
Eagle’s Nest (EAGL) -2.022s
Before 		-117.0 dBm -7.50 dB 2 74 MediumFast 2025-12-15 18:57:42 UTC View
PXT_Home (PXT1) -1.904s
Before 		-110.0 dBm -0.50 dB 3 48 mfms MediumFast 2025-12-15 18:57:42 UTC View
EA4GGL (4GGL) -1.431s
Before 		-126.0 dBm -12.75 dB 3 25 🌇 MediumFast 2025-12-15 18:57:43 UTC View
Quixote_JS8_5🗼🌐 (QXT5) -1.337s
Before 		-115.0 dBm -13.50 dB 3 - MediumFast 2025-12-15 18:57:43 UTC View
Quixote_JS8_7 (QXT7) -1.328s
Before 		-18.0 dBm 11.00 dB 3 - MediumFast 2025-12-15 18:57:43 UTC View
P3 iGate 🏠🌐 (P3N2) -0.751s
Before 		-38.0 dBm 10.75 dB 3 25 P3N1 MediumFast 2025-12-15 18:57:43 UTC View
Meshtastic b2b4📡🌐 (b2b4) +0.644s
After 		-105.0 dBm -3.75 dB 3 2d SkyB MediumFast 2025-12-15 18:57:45 UTC View
Karabanchel_Baldur (KarB) +0.654s
After 		-104.0 dBm -9.75 dB 3 2d SkyB MediumFast 2025-12-15 18:57:45 UTC View
tizon (Sylv) +0.889s
After 		-115.0 dBm -7.50 dB 3 2d SkyB MediumFast 2025-12-15 18:57:45 UTC View
Fenix (FENX) +0.904s
After 		-116.0 dBm -9.25 dB 3 2d SkyB MediumFast 2025-12-15 18:57:45 UTC View
Getafe ☀️ (GTF) +0.928s
After 		-118.0 dBm -7.50 dB 3 2d SkyB MediumFast 2025-12-15 18:57:45 UTC View
20

Total Receptions

20

Unique Gateways