Packet #5787147 Success

TELEMETRY_APP packet from Cat_Portable8 (Cat8) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	5787147
Mesh Packet ID:	`0x967ff96a` Used for correlation across gateways
Timestamp:	2026-01-13 16:15:18 UTC
From Node:	Cat_Portable8 (Cat8)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	Korolyok 5d88 (Krk8)
Channel:	LongFast
RSSI:	-117 dBm
SNR:	-8.0 dBm
Hop Info:	1/7 hops Start: 7, Limit: 6

Payload Data

Protocol: TELEMETRY_APP

Size: 17 bytes

Decoded: Yes

Decoded Data:

Environment Metrics:

Temperature:	34.0°C
Humidity:	11.6%

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:	17 bytes
Gateway:	!849a5d88
Channel:	LongFast
Payload Type:	TELEMETRY_APP
Hop Count:	1 / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!849a5d88` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (17 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`202344783` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`67` TELEMETRY_APP	enum
`decoded.payload_length`	`17` bytes	size
`hop_limit`	`6` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-117.0` dBm Signal strength at gateway	int32
`rx_snr`	`-8.00` dB Signal quality at gateway	float
`rx_time`	`1768310094` 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`	`216` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1768310118.703775` 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

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!849a5d88`
Signal Metrics:	RSSI: -117.0 dBm SNR: -8.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TELEMETRY_APP
Size:	17 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "time": 1768189540, "environment_metrics": { "temperature": 33.981514, "relative_humidity": 11.571884 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!849a5d88", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 202344783, "to": 4294967295, "id": 2524969322, "rx_time": 1768310094, "rx_snr": -8.0, "rx_rssi": -117, "hop_limit": 6, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 216, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d646e64691a0a0d12ed07421570263941", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1768189540, "environment_metrics": { "temperature": 33.981514, "relative_humidity": 11.571884 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (17 bytes)

0d646e64691a0a0d12ed07421570263941

Hex Analysis:

Size:	17 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	Channel	Timestamp	Actions
Korolyok 5d88 (Krk8) Primary	0.000s Reference	-117.0 dBm	-8.00 dB	1	LongFast	2026-01-13 16:15:18	Current
Korolyok 5d88 (Krk8)	+0.380s After	-117.0 dBm	-8.00 dB	7	LongFast	2026-01-13 16:15:19	View
hmbm (f55c)	+9.058s After	-102.0 dBm	-14.25 dB	2	LongFast	2026-01-13 16:15:27	View
Fostral (FSTR)	+9.092s After	-82.0 dBm	-17.00 dB	2	LongFast	2026-01-13 16:15:27	View
patch866 (pth8)	+10.245s After	-66.0 dBm	2.00 dB	2	LongFast	2026-01-13 16:15:28	View
BBS Восток (DM📲) (BBSv)	+11.002s After	-47.0 dBm	6.25 dB	3	LongFast	2026-01-13 16:15:29	View
VEGA 6d78 (VEGA)	+15.163s After	-93.0 dBm	-13.25 dB	5	LongFast	2026-01-13 16:15:33	View
EGarpunov 2 868 (Base) (BAO) (EG28)	+16.124s After	-97.0 dBm	2.75 dB	4	LongFast	2026-01-13 16:15:34	View
EGarpunov 2 868 (Base) (BAO) (EG28)	+16.303s After	-97.0 dBm	2.75 dB	7	LongFast	2026-01-13 16:15:35	View
Korolyok h0use (K8k*)	+17.143s After	-112.0 dBm	-1.75 dB	6	LongFast	2026-01-13 16:15:35	View
Aster-02 (AST2)	+18.673s After	-101.0 dBm	-14.25 dB	5	LongFast	2026-01-13 16:15:37	View
SYSXX BGW8 (SXB8)	+18.742s After	-125.0 dBm	-17.75 dB	5	LongFast	2026-01-13 16:15:37	View
Zamkad8 (zmkd)	+19.089s After	-120.0 dBm	-15.25 dB	5	LongFast	2026-01-13 16:15:37	View
Zamkad8 (zmkd)	+19.303s After	-120.0 dBm	-15.25 dB	7	LongFast	2026-01-13 16:15:38	View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	+24.881s After	-115.0 dBm	-14.50 dB	7	LongFast	2026-01-13 16:15:43	View
ZA_MKAD_22_868_1 (8681)	+26.163s After	-136.0 dBm	-13.50 dB	7	LongFast	2026-01-13 16:15:44	View
Dragon868-1 (D1)	+36.030s After	-124.0 dBm	-17.00 dB	7	LongFast	2026-01-13 16:15:54	View
Dragon868-1 (D1)	+36.274s After	-124.0 dBm	-17.00 dB	7	LongFast	2026-01-13 16:15:54	View
SYSXX YGW8 (SXY8)	+84.244s After	-100.0 dBm	-13.25 dB	6	LongFast	2026-01-13 16:16:42	View
SYSXX YGW8 (SXY8)	+84.759s After	-100.0 dBm	-13.25 dB	7	LongFast	2026-01-13 16:16:43	View
RN3ABX Georgy 2 (ABX2)	+90.187s After	-112.0 dBm	-3.25 dB	7	LongFast	2026-01-13 16:16:48	View
RN3ABX Georgy 2 (ABX2)	+90.450s After	-112.0 dBm	-3.25 dB	7	LongFast	2026-01-13 16:16:49	View
Tsaritsyno_KB_U_868 (KBU8)	+432.674s After	-42.0 dBm	6.25 dB	5	LongFast	2026-01-13 16:22:31	View
SYSXX OGW8 (SXG8)	+1302.887s After	-50.0 dBm	6.00 dB	7	LongFast	2026-01-13 16:37:01	View
SYSXX BGW8 (SXB8)	+1302.939s After	-5.0 dBm	6.25 dB	7	LongFast	2026-01-13 16:37:01	View
SYSXX OGW8 (SXG8)	+1303.140s After	-50.0 dBm	6.00 dB	7	LongFast	2026-01-13 16:37:01	View
RN3ABX Georgy 2 (ABX2)	+1304.767s After	-128.0 dBm	-15.50 dB	7	LongFast	2026-01-13 16:37:03	View

27

Total Receptions

18

Unique Gateways