Landis+Gyr Technology Inc. IWRS4 Manual De Usuario

Gridstream Series IV IWR Radio Data Sheet

Landis+Gyr

98-0064 Rev AB

Landis+Gyr Confidential Information

Gridstream Series IV IWR Radio Specifications

Table 1. General Series IV IWR Specification

Electrical (General)

Input Voltage Range
Input Current (in transmitting mode)
Input Current (in receiving mode)
RF Frequency Range
Channel Spacing
RF Data Rate

6 - 28 VDC
320 mA typical (12 VDC operation)
38 mA typical (12 VDC operation)
902-928 MHz
100 kHz, 300 kHz (depending on mode)
9.6-38.4 Kbps (100 kHz channels), 9.6-115.2 Kbps (300 kHz channels)

Receiver

Sensitivity (at 10% packet error rate)
Co-channel rejection
Adjacent Channel Rejection
Alternate Channel Rejection

-112 dBm (9.6 Kbps), -102 dBm (115.2 Kbps) typical
10 dB Typical
30 dB Typical
45 dB Typical

Transmitter

Output Power (at Antenna Connector)
Modulation Type
Modulation Index
Out-of-band Spurious Emissions

126 mW (21 dBm)/316 mW (25 dBm)/1 Watt (30 dBm)
2-FSK, GFSK
1
<-70 dBc

Antenna Requirements

Type
Gain

Vertically polarized, omnidirectional
< 5 dBi

Processing

CPU
Clock Speed
SRAM Memory
FLASH Memory

M16C/65P
14.7456 MHz
47 kbytes internal + 512 kbytes external
768 kbytes internal + 1 Mbytes external

Data Ports/Formats

LAN Packet Port

Transparent Port

Serial Interface

Protocol
Parity
Data Bits
Stop Bits
Duplex

RS-232C; DB9 female; 1200 to
115,200 bps
Gridstream LAN Packet Protocol
None
8
1
Full

RS-232C/RS-485; DB9 Female; 300 to 38,400 bps

Any Asynchronous Byte-Oriented Protocol
None
7 or 8
1 or 2
Full