M48-458-TR2I

500mW UHF NBFM multi channel radio modem

The M48-458-TR2I presents M48 modem IC combined with a TR2I radio module and suitable interface circuits, power supplies, connectors to provide a complete RS232 radio modem interface. Optionally, the board can be housed in an EAS120 extruded aluminium housing. In the simplest case, a pair of these units (with suitable aerials and power supplies connected, of course) can be connected directly to the serial ports of a pair of industrial PCs and the resulting wireless data link used without any further installation or programming.

Key Facts

Functionality

Modems, Multichannel, Narrow Band

Band

Narrowband

Frequency

458.5 - 459.1MHz UK band (any in 420-480MHz)

Channel

Multi Channel

Frequency

UHF, 458-460MHz

RF Power

100mW

RF Power

10–≤100mW

Data Rate

≤10kbps, up to 64kbps

Data Rate

≤10kbps, up to 64kbps

Operational Range

100-200m, 200-300m, 300-500m, 500-1000m

Operational Range

500m-1km

Country

Australia, Europe, Far East, North America, United Kingdom

Two way

Yes

Data sheet

Features

  • Usable range over 1km
  • 100mW RF power output
  • 128 serial select channels
  • 5kbps pulse duration coded protocol
  • Synchronisation codes and checksum to reduce false triggering on noise
  • Programmable transmit address and four receive addresses
  • Programmable timing parameters (preamble length, etc)
  • Programmable auxiliary serial output (to program radio modules)
  • Programmable serial modem baud rate (1200 - 76800 bps, half-duplex)
  • Addressable point-to-point and point to multi point
  • Packet acknowledge/resend (ACK) mode
  • Store and forward repeater function

Applications

  • PDAs, organisers & laptops
  • Handheld / portable terminals
  • Remote operated vehicles
  • Data loggers
  • In-building environmental monitoring and control
  • Industrial (SCADA) telemetry and M2M systems
  • Fleet management, vehicle data acquisition

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