Packet #29806874 Success

NODEINFO_APP packet from heltec Juanfran portable 868 (ay8p) to !ffffffff

11
Total Receptions
11
Unique Gateways
6
Hop Count
93
Payload Bytes
Packet Information
Database ID: 29806874
Mesh Packet ID: 0x381d0413
Used for correlation across gateways
Timestamp: 2025-12-24 10:47:52 UTC
From Node: heltec Juanfran portable 868 (ay8p)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: 🐰🗼 (📡)
Channel: MediumFast
RSSI: -126 dBm
SNR: -13.75 dBm
Hop Info: 6/7 hops
Start: 7, Limit: 1
Relay Node: 37 KTS1
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: 93 bytes
Decoded: Yes
Decoded Data:
Long Name:heltec Juanfran portable 868
Short Name:ay8p
Node ID:!db295918
MAC Address:EFHbKVkY
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:93 bytes
Gateway:!9e761ff4
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:6 / 7
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 !9e761ff4
Node ID format
channel_id MediumFast
packet MeshPacket (93 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3676920088
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 93 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 6
Calculated: hop_start - hop_limit 		derived
rx_rssi -126.0 dBm
Signal strength at gateway 		int32
rx_snr -13.75 dB
Signal quality at gateway 		float
rx_time 1766573271
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 55
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1766573272.149083
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 (6 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e761ff4
Signal Metrics: RSSI: -126.0 dBm
SNR: -13.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:93 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!db295918", "long_name": "heltec Juanfran portable 868", "short_name": "ay8p", "macaddr": "EFHbKVkY", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e761ff4", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3676920088, "to": 4294967295, "id": 941425683, "rx_time": 1766573271, "rx_snr": -13.75, "rx_rssi": -126, "hop_limit": 1, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 55, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216462323935393138121c68656c746563204a75616e6672616e20706f727461626c65203836381a046179387022061051db295918282b4220ca6a88fa208d4b2c86b3d2219584ba55574eb92e3878ba1829e76bdbaa40e5494800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db295918", "long_name": "heltec Juanfran portable 868", "short_name": "ay8p", "macaddr": "EFHbKVkY", "hw_model": "HELTEC_V3", "public_key": "ymqI+iCNSyyGs9IhlYS6VVdOuS44eLoYKedr26pA5Uk=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (93 bytes)
0a09216462323935393138121c68656c746563204a75616e6672616e20706f727461626c65203836381a046179387022061051db295918282b4220ca6a88fa208d4b2c86b3d2219584ba55574eb92e3878ba1829e76bdbaa40e5494800
Hex Analysis:
Size:93 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
🐰🗼 (📡) Primary 0.000s
Reference 		-126.0 dBm -13.75 dB 6 37 KTS1 MediumFast 2025-12-24 10:47:52 UTC Current
San_Pablo🗼 (SP00) -3.047s
Before 		-120.0 dBm -11.50 dB 2 a4 📍 MediumFast 2025-12-24 10:47:49 UTC View
EAL Station 1 🗼🌐 (EAL1) -3.016s
Before 		-111.0 dBm -4.75 dB 2 a4 📍 MediumFast 2025-12-24 10:47:49 UTC View
Mula_LaTorre_Int (MUL2) -1.439s
Before 		-43.0 dBm 11.00 dB 3 9c MULA MediumFast 2025-12-24 10:47:50 UTC View
EA8EE_Albacete (EA8E) -1.355s
Before 		-108.0 dBm -10.75 dB 3 47 EAL2 MediumFast 2025-12-24 10:47:50 UTC View
CARREFOUR ea5wa (WA01) -1.352s
Before 		-93.0 dBm 8.25 dB 3 47 EAL2 MediumFast 2025-12-24 10:47:50 UTC View
Karman’s HeltecV4 Beta (KHV4) -1.092s
Before 		-100.0 dBm -6.75 dB 5 74 CN1 MediumFast 2025-12-24 10:47:51 UTC View
JP Terraza (JPT1) -0.774s
Before 		-104.0 dBm 1.00 dB 5 74 CN1 MediumFast 2025-12-24 10:47:51 UTC View
NarKT3S3📡 (NKT3) +3.212s
After 		-108.0 dBm -8.50 dB 6 0c 30BV MediumFast 2025-12-24 10:47:55 UTC View
EA5HBZ (JFML) +10.457s
After 		-112.0 dBm -9.25 dB 7 f7 VALL MediumFast 2025-12-24 10:48:02 UTC View
Alex (A.MC) +11.217s
After 		-113.0 dBm -4.25 dB 7 f7 VALL MediumFast 2025-12-24 10:48:03 UTC View
11

Total Receptions

11

Unique Gateways