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Radiometrix Ltd

HNM2 - High power Narrow band Modem UHF


HNM2 - High power Narrow band Modem UHF

20.00 Grams
Calculated at checkout

Product Description



The HNM2 radio modem offers a 500mW RF output 19200 data link with RS232, RS485 or USB 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. Note on line we are offering the UK 458MHZ band unit but others are available.




Standard 458MHz (UK), 869MHz (EU)

Available from 160MHz to 915MHz

12.5/25kHz Narrow Band 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

Mini USB Type B, RS232 DE9F sockets, RS485 Terminal Block and SPI interfaces

Range Test Mode




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


Technical Summary


Size: 80 x 86 x 15mm

Operating frequencies: CH0:458.525, CH1:458.550,…CH15:458.900MHz

Supply range: 6V to 16V DC

Current consumption: 280mA TX

Current consumption: 40mA RX

RF baud rate: 1200, 2400, 4800, 9600 (default), 19200bps.

User baud rate: 600, 1200, 2400, 4800, 9600, 19200, 38400bps.

Hardware flow control: RTS/CTS

Modulation: 2, 4-level GFSK (default)

SAW front end filter

Digital RSSI

Can be USB powered or external supply.

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