User's Manual

1. Product General Information
1.1 Product Description
GL2BSS72, the Stereo Receiver with Audio-out jack and GL2BSI72 the Stereo Sender
with Audio-In jack for Multimedia Speaker in wireless (Bluetooth enabled) or rear speakers
of 5.1 channel. The application scenario is shown the wireless audio streaming to be built
as cable-free on supporting 3D quality level of MP3, AC3 and WMA. In terms of
combination with multimedia or 5.1 channel speaker on Stereo sound in wireless, the
technology of Bluetooth in frequency hopping is much more reliable on streaming and
interference avoidance.
Plug n play mechanism is the key of accessing to media application. The stereo Audio
receiver/sender enables Plug n Play mechanism on connecting to CD Player or PC BT
stereo transmitter set automatically. The set configuration would help user on experiencing
Stereo with Bluetooth (wireless) without setting trouble and. And good quality of 3D sound
will initialize audio streaming into consumer electronics successfully.
2. Product General
2.1 General Specifications
Standards: Bluetooth v1.1 Compliant
Chipset: GCT GDM 1202 Bluetooth Digital Audio Streaming IC
Integrated 128MHz embedded processor to support digital
audio codec
Integrated analog combo codec supporting dual mode
operation of 16-bits 32/44.1/48KHz stereo audio DAC (for
Audio-in/out set)
GCT GDM 1002 Bluetooth Zero-IF Radio Transmitter IC
Module dimension : 30 x 24 x 2.0 mm
Emission Type Frequency Hopping Spread Spectrum (FHSS)
RF Frequency 2400MHz – 2483.5 MHz – SA / Europe / Japan
2446.5MHz – 2483.5MHz – France
Transmission output power Typically 1 dBm
Receiving Sensitivity : Typically -82dBm
Antenna : 1 dBi external dipole antenna
Channel Numbers : 79 (f= 2402 + k MHz, k = 1, 2 ,…78)
33 (f= 2447 + k MHz, k = 1, 2..,32)
Operation Range : Typically 10m, up to 30m
Power Consumption Power Voltage - 5 Volt DC+ 10%