Packet #39446882 Success

NODEINFO_APP packet from Seri Mobile (SRM) to !ffffffff

46
Total Receptions
2
Unique Gateways
0
Hop Count
77
Payload Bytes
Packet Information
Database ID: 39446882
Mesh Packet ID: 0x014ec90e
Used for correlation across gateways
Timestamp: 2026-05-16 05:18:26 UTC
From Node: Seri Mobile (SRM)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Seri Base d120 (SRB)
Channel: ShortTurbo
RSSI: -32 dBm
SNR: 7.0 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: f2 SRM
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: 77 bytes
Decoded: Yes
Decoded Data:
Long Name:Seri Mobile
Short Name:SRM
Node ID:!4fd48ef2
MAC Address:5zpP1I7y
Hardware:HELTEC_MESH_POCKET
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:77 bytes
Gateway:!16ced120
Channel:ShortTurbo
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !16ced120
Node ID format
channel_id ShortTurbo
packet MeshPacket (77 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1339330290
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 77 bytes size
hop_limit 7
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -32.0 dBm
Signal strength at gateway 		int32
rx_snr 7.00 dB
Signal quality at gateway 		float
rx_time 1778908704
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 242
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1778908706.0724251
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: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !16ced120
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -32.0 dBm
SNR: 7.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:77 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!4fd48ef2", "long_name": "Seri Mobile", "short_name": "SRM", "macaddr": "5zpP1I7y", "hw_model": "HELTEC_MESH_POCKET" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1339330290, "to": 4294967295, "id": 21940494, "rx_time": 1778908704, "rx_snr": 7.0, "rx_rssi": -32, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 242, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213466643438656632120b53657269204d6f62696c651a0353524d2206e73a4fd48ef2285e380142207a52523c02f6649ebaa1b369272d4e086ad7b08ad6cc6b012cdf77d348993b284800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!4fd48ef2", "long_name": "Seri Mobile", "short_name": "SRM", "macaddr": "5zpP1I7y", "hw_model": "HELTEC_MESH_POCKET", "role": "CLIENT_MUTE", "public_key": "elJSPAL2ZJ66obNpJy1OCGrXsIrWzGsBLN9300iZOyg=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (77 bytes)
0a09213466643438656632120b53657269204d6f62696c651a0353524d2206e73a4fd48ef2285e380142207a52523c02f6649ebaa1b369272d4e086ad7b08ad6cc6b012cdf77d348993b284800
Hex Analysis:
Size:77 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
Seri Base d120 (SRB) Primary 0.000s
Reference 		-32.0 dBm 7.00 dB 0 f2 SRM ShortTurbo 2026-05-16 05:18:26 UTC Current
Seri Base d120 (SRB) -0.821s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.799s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.778s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.757s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.736s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.712s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.689s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.665s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.641s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.621s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.600s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.576s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM MediumFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.555s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM MediumFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.530s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM MediumFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.506s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM MediumFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.483s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM MediumFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.459s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM MediumFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.436s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM MediumFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.414s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM MediumFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.393s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM MediumFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.372s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM MediumFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.349s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM MediumFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.323s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.301s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.278s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.256s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.236s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.201s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.180s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.156s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.133s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.110s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.085s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortFast 2026-05-16 05:18:25 UTC View
Seri Base d120 (SRB) -0.064s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortTurbo 2026-05-16 05:18:26 UTC View
Seri Base d120 (SRB) -0.043s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortTurbo 2026-05-16 05:18:26 UTC View
Seri Base d120 (SRB) -0.021s
Before 		-32.0 dBm 7.00 dB 0 f2 SRM ShortTurbo 2026-05-16 05:18:26 UTC View
Seri Base d120 (SRB) +0.024s
After 		-32.0 dBm 7.00 dB 0 f2 SRM ShortTurbo 2026-05-16 05:18:26 UTC View
Seri Base d120 (SRB) +0.047s
After 		-32.0 dBm 7.00 dB 0 f2 SRM ShortTurbo 2026-05-16 05:18:26 UTC View
Seri Base d120 (SRB) +0.070s
After 		-32.0 dBm 7.00 dB 0 f2 SRM ShortTurbo 2026-05-16 05:18:26 UTC View
Seri Base d120 (SRB) +0.092s
After 		-32.0 dBm 7.00 dB 0 f2 SRM ShortTurbo 2026-05-16 05:18:26 UTC View
Seri Base d120 (SRB) +0.114s
After 		-32.0 dBm 7.00 dB 0 f2 SRM ShortTurbo 2026-05-16 05:18:26 UTC View
Seri Base d120 (SRB) +0.135s
After 		-32.0 dBm 7.00 dB 0 f2 SRM ShortTurbo 2026-05-16 05:18:26 UTC View
Seri Base d120 (SRB) +0.156s
After 		-32.0 dBm 7.00 dB 0 f2 SRM ShortTurbo 2026-05-16 05:18:26 UTC View
Seri Base d120 (SRB) +0.177s
After 		-32.0 dBm 7.00 dB 0 f2 SRM LongFast 2026-05-16 05:18:26 UTC View
Eco-Monkey LLP (mnky) +4.031s
After 		-95.0 dBm -5.50 dB 1 64 SRS LongFast 2026-05-16 05:18:30 UTC View
46

Total Receptions

2

Unique Gateways