Data Sheet

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The TapNLink Wi-Fi, Bluetooth Low Energy (BLE), NFC module (Part N°: TnL-FIW103) offers
instant integration of contactless/radio interfaces to enable the connection of a microcontroller-
based target system to a local information appliance (smartphones, PDAs, tablets, PCs, etc.).
TapNLink connects directly the microcontroller of the target system and allows non-intrusive
read and/or write access to variables in the target microcontroller’s memory. The data
addresses and access parameters for the target system are configured in the TapNLink. No
coding of the target system’s native functionality is required to connect TapNLink to the target
microcontroller.
TapNLink supports local connection to mobile devices (Android or iOS, Windows 10), where
data can be viewed and modified via a graphical user interface created by the target system
designer. The solution includes MQTT infrastructure to enable data transmission via the local
mobile device to any Cloud-based IoT platform. Data that is read by the TapNLink can be
transmitted via the mobile device’s data or network connection when available. For this, IoTize
provides an MQTT-base relay with IoT Cloud platform translators. This MQTT infrastructure is
open source software that target system designers can install on servers and adapt to any
private or public IoT Cloud platform.
Communication Channels
 Near Field Communication (NFC) Type5 tag (ISO/IEC 15693)
 Wi-Fi 802.11b/g/n
 Bluetooth Low Energy (BLE) 4.2
Target system interface protocols
 SWD debugging/programming interface protocol
 Software Secure Serial Port (S3P)
Security features
 Configurable access profiles
 Configurable, encrypted passwords
 AES-128 module-level data encryption
 Configurable secure pairing with NFC
Configurable target memory access controls
 Accessible data addresses: up to ~ 500
 User profiles: up to ~ 100
 Access capabilities: Read or Write or Read/Write
Electrical characteristics
2.3V to 3.6V
100 µA
7 mA
50 mA
110 mA (802.11g)
 Input voltage:
 Low power consumption:
o Standby:
o NFC:
o Wi-Fi Rx:
o Wi-Fi Tx:
o BLE Tx/Rx:
65 mA
Mechanical characteristics
 Dimensions: 28 x 38 x 3 mm
Package options
 Bare board
 Plastic casing (IP44)
 Silicone resin (IP65)
Operating temperature range
 -20°C, +55°C
Acceptance
 CE (Europe), FCC (USA), IC (Canada).
 REACH and RoHS compliant
TnL-FIW103 Datasheet 5