Microhard Systems 04P10 MHX920 900MHz SPREAD SPECTRUM OEM TRANSCEIVER User Manual New3 MHX 920 pmd

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Document ID	404636
Application ID	2osbXXM2LYZRNae/1CsobQ==
Document Description	BROCHURE
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	12.38kB (154704 bits)
Date Submitted	2004-03-12 00:00:00
Date Available	2004-03-12 00:00:00
Creation Date	2004-02-13 19:10:36
Producing Software	Acrobat Distiller 5.0 (Windows)
Document Lastmod	2004-03-01 13:51:01
Document Title	New3 MHX-920.pmd
Document Creator	PageMaker 7.0
Document Author:	llei

MHX-920
OEM Industrial Wireless Modem
The MHX-920 is a long range - high speed 900MHz Frequency Hopping Spread Spectrum
Modem. The MHX-920’s rate can be optimized for long distance communication over
60 miles. MHX-920 radios offer the fastest communication over the longest distances.
Applications:
- SCADA (PLCs, Modbus, HART)
- Telemetry
- GPS Vehicle Data/Tracking, DGPS
- Electric, Oil, & Gas Utilities/Metering
- Display Signs
- Traffic Control, Loop detectors
- Transparent low latency communication
If you thought our MHX-910 was good - you’ll
be amazed with the MHX-920. There are
many radios that make claims - just run our
radios side by side and see what happens.
The MHX-920 features robust, high speed, low latency, secure data communications. The MHX-920 has a full data
serial port and a separate diagnostics port for real-time diagnostics; which does not interfere with data communications. MHX-920 offers excellent noise figure, superior interference rejection, very agile frequency synthesis,
digital modulation, and matched filter detection. The MHX-920 can be user optimized for speed and distance.
Features of the MHX-920
Rev 1.0
•
Transparent, low latency link providing true 230 kbps continuous
throughput to support protocols such as MODBUS
•
License-free communication in the 902 - 928 MHz ISM band
•
Industrial Grade - extended temperature specification
•
Supports point-to-point, point-to-multipoint, Store and Forward
Repeater, TDMA, Multimaster
•
Maximum allowable transmit power, (1W)
•
Low power consumption in Sleep Mode and High Voltage
Option
•
32-bit CRC, selectable forward error correction with retransmit
•
Separate diagnostics port - transparent remote diagnosis and
online network control
•
Backwards and Footprint Compatible with MHX-910 and
Spectra-910 radios
MHX-920 HV Option
Preliminary Specifications subject to change without Notice
MHX-920
Specifications (preliminary)
Frequency
902 - 928 MHz
Core Voltage
4VDC to 5.5VDC, 7VDC to
40VDC(See option 100)
Spreading Method
Frequency Hopping
Band Segments
16 user selectable
IO voltage
(user selectable)
3.3VDC to 5.5VDC, RS232/485/
422 Levels(See option 100)
Hopping Patterns
128 user selectable
Current (mA)
4 VDC
Hopping Channels
50 to 128 user selectable
Error Detection
32 bit CRC, retransmit on error
Data Encryption
Dynamic Key Substitution
Range
+60 miles (line of sight)
Sensitivity
-108 dBm
Output Power
1mW, 100mW to 1W (30dBm)
System Gain
140dB
Data Port Inteface
RS-232/RS485/RS422 TTL or
Drivers Level
Serial Baud Rate
300bps to 230.4kbps
Operating Modes
Point-to-Point, Point-to-Multipoint,
Store&Forward Repeater, TDMA,
Multimaster, Peer to Peer, Transparent
Signals Interface
RxD1, TxD1, RTS, CTS, DCD,
DSR, DTR, RxD2, TxD2,
RSSI1,RSSI2,RSSI3,
Tx LEDs, Rx LEDS,
Reset, Config, Wake-up,
RSmode, User Analog Input
Diagnostics
Forward & Reflected Power,
VSWR, Current, Battery voltage,
Temperature, RSSI, Real-time
event logging and remote diagnostics
Rejection
Excellent Strong Signal Interference & Rejection Characteristics
Contact Information
Microhard Systems Inc.
#110, 1144-29th Ave N.E.
Calgary, AB, Canada T2E 7P1
email: info@microhardcorp.com
Tel: (403) 248-0028
Fax: (403) 248-2762
Rev 1.0
Transmit
Receive
Idle
Sleep
1200
220
60
12 VDC 30 VDC
(High Voltage Option)
600
220
95
40
20
Antenna Connector
MCX, Reverse polarity SMA
(See option 110)
Environment
-40 °C to +75 °C
Weight
Approx. 80 grams
Dimensions
Approx. 3.5” x 2.1” x 0.7”
Approvals
FCC Part 15.247, pending
IC RSS210, pending
Order Options
Option 100
HV OPTION - High Input voltage
(7V to 40V) with optional RS232/
RS485/RS422 Drivers
Option 110
Reverse Polarity SMA Connector
Copyright 2003 Microhard Systems Inc.
Specifications subject to change without notice.
Microhard
Systems Inc.
TM
www.microhardcorp.com
Preliminary Specifications subject to change without Notice

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Title                           : New3 MHX-920.pmd
Author                          : llei

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