Wireless modem ARF 868 LP

USBRS232ISM band

Overview
Wireless broadcast device to replace long wired links and extend the transmission range of radio sensors. Designed for industrial data exchange between equipment over distances up to 1 km.

Highlights

• Range up to 1 km
• Reliable RF transmission with multi-mode operation
• Serial interfaces: RS232/RS485 or USB; RF data rate 2.4–57.6 kbps
• Serial throughput: 1.2–115.2 kbps
• Multi-mode communication: transparent, addressed, repeater
• Compatible with MODBUS protocol

Typical applications

• Industry: replace long wired connections with a radio link to transmit equipment and sensor data over long distances

Part numbers / Variants

• ARF7943AA: ARF868 LOW POWER 25 mW RADIO MODEM — integrated antenna
• ARF7943BA: ARF868 LOW POWER 25 mW RADIO MODEM — external antenna

Technical specifications

• HF power: 25 mW
• Selectable channels: +500 channels @ 14 dBm
• External power supply
• Serial throughput: 1.2–115.2 kbps
• RF data rate: 2.4–57.6 kbps
• Interfaces: RS232 / RS485 or USB
• Dimensions: 135 x 75 x 35 mm (integrated antenna)
• Enclosure protection: IP41 (options IP53 and IP67)
• Multi-mode communication: transparent, addressed, repeater
• Protocol compatibility: MODBUS