4 - 6 MT2070/MT2090 User Guide

Bluetooth Technology Profile Support
With Bluetooth Technology Profile Support, the cradle is not required for wireless communication. The dev ice
communicates directly to the host using Bluetooth technology. The device supports the standard Bluetoot h Serial
Port Profile (SPP) and HID Profiles which enable the device to communic ate with other Bluetooth devices that
support these profiles.
SPP - the device connects to the PC/host via Bluetooth and performs like there’s a seria l connection.
HID - the device connects to the PC/host via Bluetooth and performs like a keybo ard.

Master/Slave Set Up

The device can be set up as a Master or Slave.
When the device is set up as a Slave, it is discoverable and connectab le to other devices. When the device is set
up as a Master, the Bluetooth address of the remote device to which a connection is reques ted is required. A
pairing bar code with the remote device address must be created and scanned to attempt a c onnection to the
remote device. See the Pairing Bar Code Format on page 4-23 for information ab out creating a pairing bar code.
Master
When the device is set up as a Master (SPP), it initiates the radio connection to a slave device. Initiating the
connection is done by scanning a pairing bar code for the remote device ( see Pairing Bar Code Format on page
4-23).
Slave
When the device is set up as a Slave device (SPP or HID), the device acc epts an incoming connection request
from a remote device.
NOTE The number of devices is dependent on the host’s capability.