User Manual

TETRA Bluetooth Radio Module
Solutions for a Real Time World Datasheet
Re-Tek - xxxx - 5 - 45388 Warm Springs Blvd. Fremont, CA 94539
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Copyright Unigen Corporation, 2011
PRODUCT INTRODUCTION
The Tetra module supports Bluetooth v4.0 for the Low Energy operation and Bluetooth v3.0 +
High Speed
*
for communication with existing Bluetooth devices. Tetra operates on the High Speed
(+HS) bandwidth via a XSR six pin JST connector. The interface is the USB HCI protocol. Tetra
utilizes a serial EEPROM for retaining the Bluetooth Address, Country Code of operation, and
previously paired Bluetooth devices. It stores the Bluetooth address and link key information on
the module.
The slim design of Tetra features on-board, double helix, printed, antenna which addresses many
antenna placement issues. The module is designed to be placed in areas that are small and slim
offering optimum antenna placement. Also, instead of using RF cable assemblies and/or external
antenna, the module can be placed using a low cost 6 wire cable assembly which is used to
connect the module to the motherboard and host.
F
EATURES AND BENEFITS
 Dual Mode Bluetooth, V3.0+HS, V4.0, BLE
 Programmable EEPROM
 Full Speed USB 2.0 Protocol Interface
 Double Helix Printed PCB Antenna
 +9dBm Transmit Power; -90dBm Receive Sensitivity
 Dimensions: 30mm x 6.5mm x 2.25mm
 6 pin XSR JST Low Profile Connector
 LED Driver
 Deep Sleep Mode of 40µA With Fast Wake-up
 Range up to 35 meters
*
Bluetooth High Speed is dependent on the Bluetooth Stack on the Host.