LNM2H / LNM3H

High Power Narrow Band Category 1 Radio Modem

The LNM2H radio modem module offers a 500mW RF output 19200 data link with 3.3V TTL UART interface. It meet meets the ETSI Category 1 high performance receiver specification to be used where the operation of a SRD may have inherent safety of human life implications

Key Facts

Functionality

High Power, Modems, Multichannel, Narrow Band

Band

Narrowband

Frequency

458MHz (UK), 866MHz (India), 869MHz (EU)

Channel

Multi Channel

Frequency

173-180MHz, 180-300MHz, 300-418MHz, 433-434MHz, 458-460MHz, 868-870MHz, 902-928MHz

RF Power

400mW / 500mW

RF Power

>100–≤500mW

Data Rate

>10kbps

Data Rate

>10kbps

Operational Range

200-300m, 500-1000m

Operational Range

3-5km

Country

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

Two way

Yes

Data sheet

Features

  • Standard 458MHz (UK), 866MHz (India), 869MHz (EU)
  • Available from 160MHz to 915MHz
  • 12.5kHz / 25kHz channel spacing Narrow Band FM Multichannel
  • Data rates up to 19200kbps
  • ETSI EN 300 220-1 Category 1 High performance level receiver
  • Point-to-Point, Point-to-Multipoint
  • Store and Forward Repeater Mode with Dual Addressing to extend operating range
  • Whitening of the data by XORing with a 9-bit pseudo-random (PN9) sequence
  • 2-byte CRC checksum
  • Digital Received Signal Strength Indicator (RSSI)
  • Range Test Mode

Applications

  • Safety-critical wireless applications such as social alarms and healthcare monitoring
  • High-end security and fire alarms
  • Lone Worker Alarms
  • Industrial/Commercial Telemetry and Telecommand or Non-specific SRD usage
  • In-building environmental monitoring and control

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