Hardware
Datasheets.
What gets installed with Friolink, with the manufacturer’s data and the source of each figure. Every datasheet can be downloaded as a PDF for a proposal or a validation file.
Status with Friolink
- Field-testedRunning at a real site with this device.
- Lab-testedTested with the real device, not yet at a client.
- Compatible per manufacturerSupported per manufacturer, without the physical device.
- Coming soonOn the development roadmap.
Site gateway
- Lab-tested
Friolink · Site gateway
Friolink Gateway
A small unit that stays at the client’s site: it collects what the Zigbee and Bluetooth sensors and the site’s controllers measure and sends it to Friolink, encrypted. It is Friolink software on a mini PC or a virtual machine.
- Recommended hardware
- Intel N100 / N95 / N97 mini PC · 4 cores · 4 GB · 64 GB SSD
- Zigbee
- Zigbee 3.0 via USB dongle (SONOFF ZBDongle-E / -P, ConBee II / III, SMLIGHT SLZB-07) or an existing Zigbee network
- Bluetooth
- Bluetooth LE via USB adapter (TP-Link UB500 recommended) or the Friolink Bluetooth bridge; passive listening
- Controllers
- KMC via TotalControl (BACnet), read-only, every 30 to 60 s
- Upload to Friolink
- Outbound HTTPS and WSS, one batch every 60 s; no open ports (works behind CGNAT, Starlink or 4G)
- Offline
- Local queue of about one week; resends in order with the real timestamps
See all specifications and sources
- Version
- 0.1.01
- Recommended hardware
- Intel N100 / N95 / N97 mini PC · 4 cores · 4 GB · 64 GB SSD2
- Minimum
- x86-64 PC · 2 cores · 2 GB · 16 GB2
- Virtual machine and OS
- Proxmox VE 8 / 9 · VMware ESXi · Debian 12 / 13 · Ubuntu 22.04 / 24.04 LTS2
- Zigbee
- Zigbee 3.0 via USB dongle (SONOFF ZBDongle-E / -P, ConBee II / III, SMLIGHT SLZB-07) or an existing Zigbee network2
- Bluetooth
- Bluetooth LE via USB adapter (TP-Link UB500 recommended) or the Friolink Bluetooth bridge; passive listening2
- Controllers
- KMC via TotalControl (BACnet), read-only, every 30 to 60 s1
- Upload to Friolink
- Outbound HTTPS and WSS, one batch every 60 s; no open ports (works behind CGNAT, Starlink or 4G)1
- Offline
- Local queue of about one week; resends in order with the real timestamps1
- Local web
- HTTPS :9443 · Installer and Client roles · 15-min lockout after 5 attempts1
- Updates
- Signed package, verified twice; automatic rollback if it fails1
- Remote access
- Outbound encrypted tunnel of up to 60 min, permission-based, logged and can be turned off by the client1
With Friolink
- One product for Zigbee and Bluetooth sensors and controllers
- Its own installation code, no factory passwords
- A single “Gateway offline” alert that groups its sensors
- Encrypted backup to replace a broken unit
- Read-only: never writes to controllers, operates equipment or opens ports
Sources
- 1Friolink technical documentation: Friolink Gateway (GATEWAY.md, v0.1.0)
- 2Compatible hardware list: Friolink Gateway (GATEWAY-COMPATIBILIDAD.md)
Friolink Gateway is software. Electrical safety and radio certifications (CE, FCC and local approvals) are those declared by the manufacturer of each mini PC, dongle or adapter.
Sensors
- Field-tested
SONOFF (ITEAD) · Zigbee temperature and humidity sensor
SONOFF SNZB-02P
Battery-powered ambient sensor for rooms, warehouses and chilled cold rooms. It connects to Friolink Gateway over Zigbee and reports whenever the value changes.
- Radio / protocol
- Zigbee 3.0 (IEEE 802.15.4) · EFR32MG22
- Temperature accuracy
- ±0,2 °C
- Humidity
- ±2 % RH accuracy
- Battery
- CR2477 · 3 V
- Battery life
- Up to 4 years (manufacturer’s lab data)
- Dimensions
- 45 × 45 × 17,7 mm
See all specifications and sources
- Radio / protocol
- Zigbee 3.0 (IEEE 802.15.4) · EFR32MG222
- Temperature accuracy
- ±0,2 °C1
- Humidity
- ±2 % RH accuracy1
- Operating temperature
- −10 to 60 °C · 5 to 95 % RH non-condensing (indoor use)1
- Battery
- CR2477 · 3 V1
- Battery life
- Up to 4 years (manufacturer’s lab data)1
- Reporting interval
- On value change (5 s minimum); at least hourly if unchanged1
- Range
- Not published
- Protection
- Not published · indoor use2
- Dimensions
- 45 × 45 × 17,7 mm2
- Weight
- 26,7 g2
- Certifications (manufacturer)
- CE · FCC · ISED · RoHS · IEC/EN 62368-1 · UL 4200A2
- Connection to Friolink
- Friolink Gateway, via Zigbee · field-tested since 09/20263
With Friolink
- Paired from the gateway’s web page, no manufacturer app
- Temperature, humidity and battery on the device record
- Low-battery alert before it stops measuring
Sources
- 1SONOFF, product page: sonoff.tech/en-us/products/sonoff-zigbee-temperature-and-humidity-sensor-snzb-02p
- 2SONOFF, user manual V1.2: cdn.shopify.com/s/files/1/0742/9963/8001/files/User_Manual_SNZB-02P_EN_V1.2.pdf
- 3Friolink compatible hardware list: Friolink Gateway (GATEWAY-COMPATIBILIDAD.md)
Certifications (CE, FCC and others) are those declared by each device’s manufacturer; Friolink does not certify third-party hardware. Technical data comes from the sources cited.
- Field-tested
TOPFLYtech · Bluetooth temperature and humidity sensor, with probe
TOPFLYtech T-one
Sealed sensor with a 1 m external probe, designed for freezers, frozen-goods rooms and refrigerated boxes. It is picked up by Friolink Gateway or the KnightX 100 LTE gateway.
- Radio / protocol
- Bluetooth LE 5.1 · TFT Eddystone, Eddystone UID, Beacon
- Temperature
- Probe: −40 to +125 °C
- Temperature accuracy
- ±0.3 °C from 0 to 35 °C · ±0.5 °C from −25 to 0 °C · ±0.7 °C from −40 to −25 °C
- Battery
- CR2477 · 1000 mAh · not replaceable
- Range
- Up to 200 m at 4 dBm, open field
- Protection
- IP67
See all specifications and sources
- Radio / protocol
- Bluetooth LE 5.1 · TFT Eddystone, Eddystone UID, Beacon1
- Temperature
- Probe: −40 to +125 °C1
- Temperature accuracy
- ±0.3 °C from 0 to 35 °C · ±0.5 °C from −25 to 0 °C · ±0.7 °C from −40 to −25 °C1
- Humidity
- Yes · accuracy not clearly published1
- Battery
- CR2477 · 1000 mAh · not replaceable1
- Battery life
- 1,800 days at 10 s and 0 dBm (factory setting)1
- Reporting interval
- 10 s by default, configurable1
- Range
- Up to 200 m at 4 dBm, open field1
- Protection
- IP671
- Operating temperature
- −30 to +80 °C (housing)1
- Dimensions
- 59,9 × 40,0 × 14,6 mm1
- Weight
- 59 g with probe · 36 g without1
- Internal memory
- Up to 15,000 records1
- Certifications (manufacturer)
- CE · FCC1
- Connection to Friolink
- Friolink Gateway or KnightX 100 · field-tested2
With Friolink
- Passive listening: the gateway never connects to the sensor
- Decoder tested with real advertisements
- Sensor battery on the device record
Sources
- 1TOPFLYtech, product page: www.topflytech.com/en/t-one/
- 2Friolink compatible hardware list: Friolink Gateway (GATEWAY-COMPATIBILIDAD.md)
Certifications (CE, FCC and others) are those declared by each device’s manufacturer; Friolink does not certify third-party hardware. Technical data comes from the sources cited.
- Field-tested
TOPFLYtech · Bluetooth temperature and door sensor
TOPFLYtech T-sense
Sealed temperature sensor with magnetometer door detection: it reports instantly when a fridge or cold room is opened. It is picked up by Friolink Gateway or the KnightX 100.
- Radio / protocol
- Bluetooth LE 5.1 · TFT Eddystone, Eddystone UID, Beacon
- Temperature
- −30 a +80 °C
- Temperature accuracy
- ±0.2 °C · drift below 0.02 °C per year
- Door
- Magnetometer, real-time status (enabled in configuration)
- Range
- 200 m at 4 dBm · 400 m at 8 dBm
- Protection
- IP67
See all specifications and sources
- Radio / protocol
- Bluetooth LE 5.1 · TFT Eddystone, Eddystone UID, Beacon1
- Temperature
- −30 a +80 °C1
- Temperature accuracy
- ±0.2 °C · drift below 0.02 °C per year1
- Door
- Magnetometer, real-time status (enabled in configuration)1
- Humidity
- Not measured1
- Battery
- CR2477 · 1000 mAh · not replaceable1
- Battery life
- 1,600 days at 10 s and 4 dBm · 1,100 days at 5 s and 4 dBm1
- Reporting interval
- 10 s by default, configurable1
- Range
- 200 m at 4 dBm · 400 m at 8 dBm1
- Protection
- IP671
- Operating temperature
- −30 a +80 °C1
- Dimensions
- 59,9 × 40,0 × 14,6 mm1
- Weight
- 23 g with battery1
- Internal memory
- 15,000 records · over-the-air firmware updates1
- Certifications (manufacturer)
- Not published on the manufacturer’s page1
- Connection to Friolink
- Friolink Gateway or KnightX 100 · field-tested2
With Friolink
- Door opening reported instantly; temperature at its own interval
- Door-opening tolerance in the alert rules
- Sensor battery on the device record
Sources
- 1TOPFLYtech, product page: www.topflytech.com/en/product-ble-t-sense-temp-door/
- 2Friolink compatible hardware list: Friolink Gateway (GATEWAY-COMPATIBILIDAD.md)
Certifications (CE, FCC and others) are those declared by each device’s manufacturer; Friolink does not certify third-party hardware. Technical data comes from the sources cited.
LTE gateway for transport
- Lab-tested
TOPFLYtech · LTE Cat 1 gateway with Bluetooth hub
TOPFLYtech KnightX 100
For trucks, containers and sites without fixed internet. It collects the Bluetooth sensors in the box (T-one, T-sense) and uploads them over the cellular network, with GPS location.
- Cellular network
- LTE Cat 1 FDD (B1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28/66) and TDD (B34/38/39/40/41) · GSM 850/900/1800/1900 fallback
- Positioning
- GPS, Glonass, Beidou, Galileo and QZSS · under 1.5 m CEP
- Bluetooth hub
- Bluetooth LE 5.1 for sensors
- Battery
- Rechargeable Li-ion 6400 mAh · 3.7 V · USB-C
- Battery life
- About 134 days reporting every 10 min · about 71 days every 1 min (manufacturer)
- Protection
- IP67
See all specifications and sources
- Cellular network
- LTE Cat 1 FDD (B1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28/66) and TDD (B34/38/39/40/41) · GSM 850/900/1800/1900 fallback1
- Positioning
- GPS, Glonass, Beidou, Galileo and QZSS · under 1.5 m CEP1
- Bluetooth hub
- Bluetooth LE 5.1 for sensors1
- Battery
- Rechargeable Li-ion 6400 mAh · 3.7 V · USB-C1
- Battery life
- About 134 days reporting every 10 min · about 71 days every 1 min (manufacturer)1
- Data transport
- TCP · UDP · MQTT · SMS · AES1
- Protection
- IP671
- Operating temperature
- −20 a 80 °C1
- Dimensions
- 91,8 × 43,5 × 29,2 mm1
- Weight
- 165 g1
- Certifications (manufacturer)
- CE · FCC · RCM · Anatel · NBTC · CITC · TDRA1
- Connection to Friolink
- Connects to Friolink through its own service; connected sensors, battery and location on the gateway record2
With Friolink
- Per-trip report: origin, destination, minimums, maximums, time out of range and alarms
- Asset location on a map, on the record
- Grouped alert if the gateway stops reporting
Sources
- 1TOPFLYtech, product page: www.topflytech.com/en/knightx-100-4g-cat-1/
- 2Friolink technical documentation: Sistemas Gateway LTE (GATEWAY-SISTEMAS-LTE.md)
Certifications are those declared by TOPFLYtech. Approval of the cellular device in each country is a separate process, handled before each sale.
Controllers
- Field-tested
KMC Controls · BACnet · Modbus · Reading existing controllers
Compatible controllers
If the cold rooms already have controllers, Friolink reads them without replacing them and without writing anything: temperature, states and alarms join the platform alongside its own sensors.
- KMC TotalControl 4.5
- Field-tested · BACnet MS/TP via TotalControl · a logistics operator in production
- KMC BAC-5901CE
- Conquest general-purpose with Ethernet · 10 inputs and 8 outputs · BTL B-AAC
- Generic BACnet/IP
- Coming to the Gateway · discovery (Who-Is) and point mapping
- Modbus TCP / RTU
- Coming to the Gateway · templates for Carel, Dixell, Eliwell, Danfoss and Full Gauge · RS-485 via USB adapter
- Mode
- Read-only: never changes parameters or operates equipment
See all specifications and sources
- KMC TotalControl 4.5
- Field-tested · BACnet MS/TP via TotalControl · a logistics operator in production1
- KMC BAC-5831
- Advanced Application Controller 16 × 12 · BTL listed (archive)3
- KMC BAC-5802
- Advanced Application Controller 8 × 8 · BTL listed (archive)3
- KMC BAC-5901CE
- Conquest general-purpose with Ethernet · 10 inputs and 8 outputs · BTL B-AAC4
- KMC BAC-A1616BC
- BACnet Building Controller 16 × 16 · IP and MS/TP · discontinued by the manufacturer5
- Generic BACnet/IP
- Coming to the Gateway · discovery (Who-Is) and point mapping2
- Modbus TCP / RTU
- Coming to the Gateway · templates for Carel, Dixell, Eliwell, Danfoss and Full Gauge · RS-485 via USB adapter2
- Mode
- Read-only: never changes parameters or operates equipment2
- Polling
- Every 30 to 60 s2
With Friolink
- Alarms that do not depend on the controller: if it says all is well and Friolink’s own probe disagrees, you are alerted
- Same rules, escalation and reports as Friolink’s own sensors
- No changes to the controllers’ programming
Sources
- 1KMC Controls, TotalControl: www.kmccontrols.com/product/totalcontrol/
- 2Friolink compatible hardware list: Friolink Gateway (GATEWAY-COMPATIBILIDAD.md)
- 3BACnet International, BTL listings: www.bacnetinternational.net/btl/
- 4KMC Controls, Conquest controllers: www.kmccontrols.com/blog/general-purpose-controllers-backbone-of-the-kmc-conquest-line/
- 5KMC Controls, BAC-A1616BC: www.kmccontrols.com/product/controller-bacnet-bbc-16x16-web-clock/
BTL listings and certifications of each controller belong to the manufacturer. Friolink is not part of those listings: it reads controllers as a BACnet or Modbus client. Brands are mentioned only to indicate technical compatibility.
Certifications (CE, FCC and others) are those declared by each device’s manufacturer. Friolink does not certify third-party hardware. Names and trademarks belong to their owners; their mention indicates technical compatibility, not a commercial partnership.
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