Wireless Rf Modules; Bluetooth 2.1; Bluetooth Low Energy (4.0) - MTX -3G-JAVA series User Manual

4.13 Wireless RF modules
MTX‐3G‐JAVA can be shipped with an internal RF card installed which allows for use with almost all
protocols that exist nowadays, such as Bluetooth, WiFi, ISM, ZigBee, etc.
The RF card is connected to the internal ASC1 port. This means that models mounting an RF card,
ASC1 will not be available to be used by the DB15 connector. There is, however, another signal
available to control the RF card:

RESET_RF: active low, driven by GPIO12_P13 of the IO extender (see
allows the RF module to be reset.
RF card modules can have internal or external antennas. In the case of modules mounting external
antennas, an SMA Female connector will be available.
4.13.1 Bluetooth 2.1
It is based on a Bluegiga WT12, which is a next‐generation, class 2, Bluetooth 2.1 + EDR module. By
default WT12 is shipped with a powerful and easy‐to‐use iWRAP firmware. This firmware enables
users to access Bluetooth functionality with simple ASCII commands delivered to the module over
the ASC1 serial interface.

Bluetooth Class 2 radio

Integrated chip antenna

Transmit power: 3dBm

Receiver sensitivity: ‐86dBm

Enhanced Data Rates (EDR) with data throughput up to 2‐3Mbps

Support for Adaptive Frequency Hopping (AFH) and 802.11 co‐existence

UART with bypass mode

8Mbits of flash memory

Supported Bluetooth profiles: SPP, DUN, OBEX OPP, HFP v1.5, DID, and HID + HCI
You can find more information about using the module and how to communicate with it by
consulting the module specific user manual available at ftp.matrix.es or by asking our engineers at
gsmsupport@matrix.es
4.13.2 Bluetooth Low Energy (4.0)
It is based on Bluegiga WT113, which is a Bluetooth Smart module targeted for small and low‐power
sensors and accessories. It integrates all the features required for a Smart application, including
radio, software stack and GATT‐based profiles. The BLE113 can also host end‐user applications.

Bluetooth 4.0 low energy radio

Transmit power: 0dBm
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MTX M2M® by MATRIX ELECTRONICA S.L.U
MTX‐3G‐JAVA Family
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2015/10 v1.6
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