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Wireless module product information, such as a wireless modem - CIRCUIT DESIGN,INC.

Product overview

DSSS low power radio transceiver

STD-502-R

Photo:STD-502-R

The STD-502-R 2.4 GHz transceiver uses direct sequence spread spectrum (DSSS) modulation and a true diversity circuit, enabling reliable communications even in the congested 2.4 GHz band.
The STD-502-R complies with the European ETSI EN300440, U.S. FCC Part 15.247, IC RSS-210 standards and Japanese ARIB STD-T66 standard, making it ready for the global market.

Low power consumption and battery operation give the STD-502-R the performance demanded for applications where long range and reliability are required.
The transceiver uses a transparent data interface to enable users to communicate using their own protocols.

The modules can be set easily via the UART interface using dedicated commands.
Circuit Design developed an onboard ASIC containing SS correlator (a key part of spread spectrum communications) instead of relying upon conventional RFICs. This ensures long term supply for industrial applications.

Feature Back to top of the page

CE, FCC and IC conformity certification
ARIB STD-T66 compliant
Uses direct sequence spread spectrum (DSSS) modulation
A true diversity receiver containing two built-in receiver circuits.
Module settings using dedicated commands
Data communication using transparent interface
Low power operation
77 channels
300m (LOS) range

Applications Back to top of the page

Industrial telecontrol
Telemetry Systems

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photo:STD-302N-R

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STD-302N-R

Photo:LMD-400R

High performance channel programmable transceiver

LMD-400R

Photo:STD-503

DSSS Low Power Radio Transceiver

STD-503

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