---
lang: "en"
title: "Indoor Bluetooth Tag for MikroTik KNOT or other IoT Localization/Telemetry setups"
sku: "TG-BT5-IN"
canonical_url: "https://shop.marcomweb.it/en/bluetooth-beacon/indoor-bluetooth-tag-for-mikrotik-knot-or-other-iot-localizationtelemetry-setups"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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TG-BT5-IN: Indoor Bluetooth Tag for MikroTik KNOT or other IoT Telemetry/Asset Tracking setups

Bluetooth tags play a huge role in IoT setups, where Bluetooth is used to transmit data over short distances. You can use these small devices for proximity-based tracking of various objects. For example, if you have a KNOT gateway in different parts of a construction site, you can use these tags to locate construction tools, electrical equipment, and other assets.

Just attach the tags to the necessary objects - and the closest gateway will detect the tags in its vicinity. Exceptionally useful in warehouse logistics - let your cargo inform you as soon as it enters the warehouse! They use so little power that a single built-in 220 mAh battery will last for years.

Once activated, the tag will transmit iBeacon, Eddystone, or MikroTik telemetry advertising packets to the gateway (such as the KNOT or any other BLE gateway). These packets contain the MAC address used for ID, as well as telemetry data - such as acceleration, inclination, and battery charge level. The gateway then sends the data to the remote server using MQTT or HTTP protocols. By default, advertising packets are sent once every 5 seconds, but you can change this value to your liking. For example, if you set the interval to 1 second, the battery will typically last two years. The built-in accelerometers can not only detect acceleration (movement) but can also record if the device has fallen or tilted (freefall detection). The indoor version of our BLE tags works best in a temperature range of 0°C to 70°C. It is splash-resistant and has a built-in accelerometer.

## Technical features

- Cortex-M33 Architecture
- RAM size 32 KB
- Memory size 352 KB
- FLASH memory type
- Bluetooth version 5.2
- CE, FCC, IC, EAC, ROHS Certification
- IP IP55

---

Source: https://shop.marcomweb.it/en/bluetooth-beacon/indoor-bluetooth-tag-for-mikrotik-knot-or-other-iot-localizationtelemetry-setups

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.