User Manual

GSM/GPRS Module Series
GC65 Hardware Design
GC65_Hardware_Design Confidential / Released 11 / 76
2. Changes or modifications not expressly approved by the party responsible for compliance could void
the user’s authority to operate the equipment.
2.2.2. FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.
This equipment should be installed and operated with minimum distance 20cm between the radiator and
your body as well as kept minimum 20cm from radio antenna depending on the Mobile status of this
module usage. This module should NOT be installed and operating simultaneously with other radio.
The manual of the host system, which uses GC65, must include RF exposure warning statement to
advice user should keep minimum 20cm from the radio antenna of GC65 module depending on the
Mobile status.
Note: If a portable device (such as PDA) uses GC65 module, the device needs to do permissive change
and SAR testing.
The following list of antenna is indicating the maximum permissible antenna gain.
Part Number
Frequency
Range (MHz)
Peak Gain
XZ-V)
Average Gain
XZ-V)
VSWR Impedance
3R007A
PCS1900:1850~1990
GSM850:824-894
1 dBi typ. 1 dBi typ. 3 max 50Ω
2.3. Key Features
The following table describes the detailed features of GC65 module.
Table 1: Module Key Features
Feature Implementation
Power Supply
Single supply voltage: 3.3V~4.6V
Typical supply voltage: 4.0V
Power Saving
Typical power consumption in sleep mode: 1.3 mA@ DRX=5
1.1 mA@ DRX=9
Frequency Bands
 Quad-band: GSM850/GSM900/DCS1800/PCS1900
 The module can search these frequency bands automatically
 The frequency bands can be set by AT command