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RFM products are now
Murata products.
ZN-241G
Features:
• Auto-Configuring
• 100mW Transmit Power
• 2.4GHz
• Seemless fit into existing wired
networks
• Multiple Interfaces
• Automatic Relay
Benefits:
• Low Cost/High Power
• Easy to install and use
• Deployable in a wide range of uses
• Excellent range and coverage indoors
and out
• License-free deployment around the
world
• Reliable communications even when a
direct path is blocked
General
Purpose
Wireless Serial
Modem
Built on 802.15.4 technology, the ZN-241G is ideal for a range of applications from simple RS-232 cable
replacement to sophisticated multi-drop RS-485 networks and everything in between. Available in RS-232,
USB and industrial RS-485 models, the ZN-241G has an Auto-Configure feature that removes the need for
ANY modem configuration. For demanding applications, the ZN-241G is completely configurable to support
a variety of different needs. With -a full 100mW of transmitted power, the ZN-241G can cover an entire
factory floor or bridge distances of a mile or more outdoors.
Radio Specifications
RF Frequency
2401 - 2483.5 MHz
Spreading Technique
Direct Sequence Spread Spectrum
Modulation
O-/QPSK
Transmit Power
+18 dBm at antenna connection; 100mW with 2dBi dipole antenna (included)
Receive Sensitivity
-95 dBm for 10-5 BER
RF Channels
16 User selectable
RF Data Rate
250 Kbps
Antenna Connector
Reverse SMA Male
©2010-2015 by Murata Electronics N.A., Inc
ZN-241G (R) 09/03/2015
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www.murata.com
Electrical Specifications
Operating Voltage
6VDC - 12VDC
Power Consumption
2W Max peak; 750mW typical
Operating Temperature
-40°C to +85°C
Serial Interfaces
ZN-241G — RS-232
ZN-241GU — USB
ZN-241GI — RS-485 half-duplex
Indicators
Power
Link
Activity
Mechanical Specifications
ZN-241G
Case Materials
ZN-241GU
Black Anodized Aluminum
Dimensions (mm)
82.5mm x 64.24mm x 25.5mm
Weight
Data Connector
ZN-241GI
122g
DB9
Power Connector
©2010-2015 by Murata Electronics N.A., Inc
ZN-241G (R) 09/03/2015
USB Type B
DIN Connector
Screw Terminals
2 Terminal Connector
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www.murata.com
Value
Even with the high transmit power, the Murata ZN-241G is priced to fit any budget, making the choice to replace wires even more compelling. With the
multiple interfaces and multiple operating modes, the ZN-241G delivers unsurpassed value for any application. The ZN-241G is built on standard
802.15.4 radio technology and provides a crisp 250Kbps over-the-air data rate using Direct Sequence Spread Spectrum methods. The result is a
wireless network with plenty of data throughput for most applications and the robustness to provide reliable, worry-free data transmission.
Versatility
Operating in the international license-free 2.4GHz frequency the ZN-241G can be deployed around the world. With the choice of an RS-232, a USB or an
RS-485 interface, the ZN-241G has a model to fit almost any application. The Auto-Configure feature makes setting up point-to-point links a snap. The
broadcast mode coupled with the RS-485 interface, provides a simple replacement for half-duplex, multi-drop RS-485 wiring. The ZN-241G also has a fullyaddressable multi-point mode to support more demanding applications. Whatever your need, the ZN-241G can handle it.
Even though the ZN-241G is a low cost wireless modem, it includes a repeater function to help overcome signal blockages. This function allows a remote
node to relay data through another remote node when the direct path is blocked. Similarly, a remote node can receive data through another remote node
when the direct path from the base is blocked.
©2010-2015 by Murata Electronics N.A., Inc
ZN-241G (R) 09/03/2015
3 of 3
www.murata.com