Q2686 Wavecom, Q2686 Datasheet - Page 20

• Manufacturer Part Number: Q2686
• Description: Wireless CPU
• Manufacturer: Wavecom

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2.2.1 RF Functionalities
The Radio Frequency (RF) range complies with the Phase II EGSM 900/DCS
1800 and GSM 850/PCS 1900 recommendations. The frequencies are:
The Radio Frequency (RF) part is based on a specific quad-band chip with a:
2.2.2 Baseband Functionalities
The digital part of the Q2686 Wireless CPU
PHILIPS chip. This chipset uses a 0.18 μm CMOS mixed technology, which
allows massive integration as well as low current consumption.
2.3 Operating System
The Q2686 Wireless CPU
process applications such as vertical applications (telemetry, multimedia,
automotive).
The Operating System offers a set of AT commands to control the Wireless
CPU
CPU
connected to the Wireless CPU
The Operating System is Open AT
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without
prior written agreement.
WM_PRJ_Q2686_PTS_001-007
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are not available,
Digital low-IF receiver
Quad-band LNA (Low Noise Amplifier)
Offset PLL (Phase Locked Loop) transmitter
Frequency synthesizer
Digitally controlled crystal oscillator (DCXO)
Tx/Rx FEM ( Front-End Wireless CPU
With this standard Operating System, some interfaces of the Wireless
E-GSM 900
DCS 1800
PCS 1900
GSM 850
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since they are dependent on the peripheral devices
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is designed to integrate various types of specific
Transmit band (Tx)
1710 to 1785 MHz
1850 to 1910 MHz
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824 to 849 MHz
880 to 915 MHz
.
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compliant.
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) for quad-band GSM/GPRS
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is composed of a PCF5212
Q2686 Wireless CPU
1805 to 1880 MHz
1930 to 1990 MHz
Receive band (Rx)
869 to 894 MHz
925 to 960 MHz
General Description
March 6, 2007
Page: 19 / 87
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