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805U Radio Modem Module User Manual

Page 46 © April 2011

Chapter 5 SPECIFICATIONS

General

EMC specification EN 300 683 89/336/EEC

Radio specification

EN-300-220/1

869.4 – 869.65 MHz, 500mW

Housing

110 x 185 x 30mm

DIN rail mount

Powder-coated, extruded

aluminium

Terminal blocks

Removable

Suitable for 2.5sqmm conductors

LED indication

OK operation, Serial RX

and TX, Radio RX and

TX, DCD active

Operating Temperature

-30 to +60 degrees C

-40 to +70 degrees C

0 – 99% RH non-

condensing

Full performance

Typical performance

Power Supply

Nominal supply

10 to 30VDC

13 to 24VAC

Overvoltage and reverse voltage

protected

Current Drain @ 12VDC

80 mA quiescent

20mA (low power mode)

During transmission 350mA

Current Drain @ 24VDC

50 mA quiescent

15mA (low power mode)

During transmission 250mA

Radio Transceiver

Single channel

synthesized, fixed band

250KHz

869.4 – 869.65MHz

Transmit power

500mW

Signal detect / RSSI -120 to -60 dBm

Expected line-of-sight range

5 km @ 19200 baud

3 km @ 38400 baud

1.5 km @ 76800 baud

Range may be extended by up to

5 intermediate modules as

repeaters, in controlled mode

Antenna Connector

Female SMA coaxial

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 55 56

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