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2.4 GHz Radio Modem Module (RS-232/RS-485) Interface

ADAM-4550 Introduction

The ADAM-4550 is a new Direct-Sequence Spread Spectrum radio modem. It operates in the 2.4 GHz ISM band license-free with worldwide compliance. Communication with the user is provided through both RS-232 and RS-485 serial interfaces at speeds up to 115.2 kbps.

The unit operates half duplex with an over-the-air data rate of 1 Mbps. The basic modem has 100 mW of output power and has a range of over 150 meters using a small whip antenna on its rear panel. Ranges in excess of 20 km (line-of-sight) are possible with an external pole-mounted high gain antenna available from Advantech.

ADAM-4550 Features

  • Software configurable RS-232 and RS-485 data rates up to 115.2 Kbps
  • Over 20 km transmission radius possible with external antenna and amplifier
  • Built-in watchdog timer and automatic RS-485 data flow control
  • Spread-spectrum radio modulation
  • Operates in a worldwide license-free band (2.4 GHz)
  • Over-the-air data flow rate between units of 1 Mbps
  • Software configurable radio transceiver address
  • Easily mounts on DIN-rail, panel or piggyback
  • EEPROM for storing communication setups
  • Supports point-to-point or point-to-multipoint application
  • Transparent IEEE 802.1 protocol with 10 K buffer helps assure data integrity
  • Power and data flow indicators for troubleshooting
  • Includes diagnostic software for radio link measurement
  • Complies with FCC Part 15 Rules and ETSI 300.683/300.328

ADAM-4550 Ordering Information

  • ADAM-4550 : 2.4 GHz radio modem module (RS-232/485 interface)
  • Antenna, Cable, and Adapter : Available on request

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