905U-E Wireless Ethernet Modem

Key Features:

The ELPRO 905U-E Wireless Ethernet Modem is a license free wireless transceiver capable of long-range communications Operating at 900 MHz and up to 1W, and utilizing 802.11 standards-based ELPRO 905U-E provides reliable and secure two-way wireless communications in complex applications.

• 902–928 MHz frequency and up to 1W RF power (sub bands configurable)
• FHSS to 200 kbps data throughput
• Bridge/router, access point client–configurable
• Serial client/server/multicast Modbus TCP to RTU gateway/ Modbus
• Point-to-point or multipoint functionality, with simultaneous use of RJ-45, RS-232/RS-485 ports
• 10/100Base-T IEEE 802.3 Ethernet, RJ-45 connector
• Spanning tree (self-healing) support
• Security to 128-bit AES encryption
• MAC address/IP filtering
• Over-the-air network diagnostics and configuration
• On-board discrete I/O channel for failure status

Product Details

Transmitter and Receiver

Frequency

902–928 MHz

915–928 MHz

Transmit power

0.1–1W (configurable)

Transmission

Frequency hopping spread spectrum (FHSS)

Modulation

Frequency shift keying

Receiver sensitivity

–106 dBm @ 19.2 kbps, –103 dBm @ 115.2 kbps (1% FER)

Channel spacing

50 x 250 kHz

Data rate

19.2–200 kbps

Auto mode selects fastest rate possible relative to RSSI

Range (LoS)

20 miles (32 km) @ 4W EIRP

Antenna connector

Female SMA standard polarity

Input and Output

Discrete I/O

Input voltage-free contact

Output FET 30 Vdc 500 mA

Ethernet Port

Ethernet port 10/100Base-T, RJ-45 connector, IEEE 802.3

Serial Port

RS-232 DB-9 female DCE, RTS/CTS/DTR/DCD

RS-485 2-pin terminal block

Data rate (bps)

1200, 2400, 4800, 9600, 14400, 19200, 38400, 57600, 76800,  115200, 230400

Serial settings 7/8 data bits, stop/start/parity (configurable)

Protocols and Configuration

System address

ESSID, 1 to 31-character text string

Protocols supported

TCP/IP, UDP, ARP, PPP, ICMP, HTTP, FTP, TFTP, TELNET,  Modbus TCP

Security

128-bit AES, 64-bit proprietary encryption

256 characters (alphanumeric)

Bandwidth protection

MAC address, whitelist/blacklist

IP filtering, whitelist/blacklist

ARP/GARP filtering, whitelist/blacklist

LED Indication and Diagnostics

LED indication

Power/OK, RX, TX, link, LAN, serial, digital I/O status

Reported diagnostics

RSSI measurements (dBm)

Connectivity information/statistics

System log file

Power Supply

Nominal supply

10–30 Vdc, under/over voltage protection

Average current draw

220 mA @ 12V (idle), 120 mA @ 24V (idle)

Transmit current draw

550 mA @ 12V (1W), 290 mA @ 24V (1W)

General

Temperature rating –40 to +140°F (–40 to +60°C)

Humidity rating 0–99% RH noncondensing

Compliance

EMC FCC Part 15

RF (radio) FCC Part 15.247; RSS 210

Hazardous area CSA Class I, Division 2; AS/NZS 4268

Safety IEC 60950 (RoHS compliant)

SOLUTIONS

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