Gage Wireless GRC-24 Spread Spectrum Data Transceiver User Manual Zeus Technology System Inc
Gage Wireless, Inc. Spread Spectrum Data Transceiver Zeus Technology System Inc
Users Manual
Gage Wireless, Inc.
User’s Installation Guide
Model # GRC - 24
FCC Warnings
This equipment has been tested and found to comply with the limits for a Class B
Residential digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and,
and if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
This device is intended only for OEM integrators under the following conditions:
1) The antenna must be installed such that 20 cm is maintained between the antenna
and users for all installations, and
2) The transmitter module may not be co-located with any other transmitter or
antenna, and
3) The Module is approved using the FCC ‘unlicensed modular transmitter approval’
method. Therefore the module must only be used with the originally approved
antennas.
As long as the 3 conditions above are met, further transmitter testing will not be
required. However, the OEM integrator is still responsible for testing their end-product
for any additional compliance requirements required with this module installed (for
example, digital device emissions, PC peripheral requirements, etc.).
IMPORTANT NOTE: In the event that any of these conditions can not be met (for
example certain laptop configurations, co-location with another transmitter, or use of a
different antenna), then the FCC authorization is no longer considered valid and the FCC
ID can not be used on the final product. In these circumstances, the OEM integrator will
be responsible for re-evaluating the end product (including the transmitter) and obtaining
a separate FCC authorization.
Suggested End Product Labeling
This transmitter module is authorized only for use in devices where the antenna may
be installed such that 20 cm may be maintained between the antenna and users (for
example access points, routers, wireless ASDL modems, and similar equipment).
The final end product must be labeled in a visible area with the following:
"Contains TX Module FCC ID: TCX-GRC-24 ".
RF Exposure Statements That Must be Included in the Final Devices Users
Manual
The users manual for end users must include the following information in a
prominent location "IMPORTANT NOTE: To comply with FCC RF exposure
compliance requirements, the antenna used for this transmitter must be installed to
provide a separation distance of at least 20 cm from all persons and must not be co-
located or operating in conjunction with any other antenna or transmitter. This device
is approved for fixed or mobile applications. Portable conditions can NOT be allowed
due to the RF exposure compliance requirements."
Additional Information to OEM Integrators
The end user should NOT be provided any instructions on how to remove or install
the modular TX device.
NOTE: ANY CHANGES OR MODIFICATION NOT EXPRESSLY
APPROVED BY THE MANUFACTURER COULD VOID THE
USER’S AUTHORITY TO OPERATE THE EQUIPMENT.
INTRODUCTION
The GRC-24 is a data transceiver which can be operated both indoors and
outdoors. It transmits and receives data on frequencies in the license-free 2.4 GHz
Industrial, Scientific, and Medical (ISM) frequency band. Data rates up to 115Kb/s can
be supported. It is designed to be built into a wide variety of application devices
requiring data communication up to several miles.
Several GRC-24 transceivers can be configured into a wireless network with some
functioning as relays. The transceiver uses frequency hopping spread spectrum
technology to mitigate interference.
OPERATION
The physical interface to the transceiver is through a 26-pin header. The
transceiver is powered and data is sent to and from the transceiver through this header.
The transceiver is powered from a 5-volt regulated supply capable of handling 1 amp
supply current. The signals available at this connector are TTL level compatible signals.
The signaling format is the same as RS-232 so only level conversion is required to
connect the transceiver to a RS-232 compatible device. The signals and their
corresponding actions are listed in TABLE 1.
TABLE 1. Interface Connector Pin Functions
Pin Name Designation Signal Function Direction
1 Ground Power Supply
2 Transmitted Data TxD Data To DCE
3 Clear to Send CTS Control From DCE
4 Data Set Ready DSR Control From DCE
5 Data Carrier Detect DCD Control From DCE
6 Ring Indicator RI Control From DCE
7 Received Data RxD Data From DCE
8 Request to Send RTS Control To DCE
9 Data Terminal Ready DTR Control To DCE
10 Datagram Control To DCE
11 Sig Status
14 +5 volts dc Power Supply
15 +5 volts dc Power Supply
17 LED - Link Indicator Output
18 LED - Power Indicator Output
19 LED - Tx Indicator Output
20 LED - Rx Indicator Output
26 Ground Power Supply
APPROVED ANTENNAS
WARNING: The GRC-24 transceiver has been approved only for the specific omni-
directional antenna listed in TABLE 2. The FCC regulations mandate that third party
antenna substitutions require FCC certification by the party making the substitution.
Manufacturer Model # Gain
Gage Wireless, Inc. GAN-3-O 3dBi