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DN-90G

Description
Networking Modules 900MHz RS-232
CategoryModule/solution   
File Size1011KB,5 Pages
ManufacturerMurata
Websitehttps://www.murata.com
Environmental Compliance
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DN-90G Overview

Networking Modules 900MHz RS-232

DN-90G Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerMurata
Product CategoryNetworking Modules
Shipping RestrictionsThis product may require additional documentation to export from the United States.
RoHSDetails
PackagingBulk
Factory Pack Quantity1
- 900 MHz RS-232C and RS-232C/RS-485 Serial Modems
- Optional 128-Bit AES Encryption
- Point-to-point,Point-to-multipoint, Peer-to-peer and
Store & Forward Capabilities
- Frequency Hopping Spread Spectrum Transceiver
- 100 kbps RF Data Rate
- Transmitter Power up to 158 mW EIRP with 2 dBi Antenna
- FCC and Canadian IC Certified for Unlicensed Operation
The DN-90 series 900 MHz serial modems provide a low cost, ready-to-use solution for
robust wireless data communications in the 900 MHz ISM band. There are currently two
products in the DN-90 series, the DN-90G and the DN-90GI. The DN-90G provides an
RS-232C serial interface. The DN-90GI offers a selectable RS-232C or two-wire,
multi-drop RS-485 interface. DN-90 series modems are based on RFM’s DNT90
frequency hopping spread spectrum (FHSS) transceiver, and can communicate with
other DNT90-based modems and sensor nodes, as well as customer developed
products. DN-90 series modems are supplied with a dipole antenna and a wall-plug
power supply. DN-90 modems transmit data at 100 kbps. Each modem’s output power
can be set up to 158 mW EIRP using the supplied 2 dBi dipole antenna. DN-90 series
modems are well-suited for sensor and data networks carrying moderate traffic that
need robust communications in locations with non-ideal RF propagation and/or where
RF interference or noise are present.
DN-90 Absolute Maximum Ratings
Rating
Power Supply Input Voltage Range
Non-Operating Ambient Temperature Range
Value
-0.5 to +24
-40 to +85
Units
V
o
DN-90
Series
900 MHz
Wireless
Serial
Modems
C
DN-90 Specifications
Characteristic
Operating Frequency Range
Hop Dwell Time
Number of RF Channels
Modulation
RF Data Transmission Rate
Receiver Sensitivity @ 10
-5
BER
EIRP RF Output Power Level, 2 dBi Antenna
Optimum Antenna Impedance
RF Connection
Network Topologies
Access Schemes
DN-90G RS-232C Configuration
DN-90GI RS-232C Configuration
DN-90GI RS-485 Configuration
50
RSMA Coaxial Connector
Point-to-Point, Point-to-Multipoint,
Peer-to-Peer and Store & Forward
Ad Hoc TDMA
9-pin connector, hardware flow control optional
3-wire, no hardware flow control
2-wire, multi-drop capable
Sym
Notes
Minimum
902.76
8
25, 26 or 52
FSK
100
-100
158
kbps
dBm
mW
Ω
Typical
Maximum
927.24
100
Units
MHz
ms
Copyright © Murata Manufacturing Co.,
N.A.,
All Rights Reserved 2010
©2010-2015 by Murata Electronics
Ltd.
Inc.
DN90G/GI Series (R) 01/09/15
1 of 5
www.murata.com
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