Proxlink PL2 Wireless Broadcast Network Topolgy Radio Frequency Technology Modem. Pre-owned in great condition with normal wear & tear. ProxLink wirelessly interconnects devices with RS-232 interfaces. Any devices that are interconnected through a standard RS-232 interface and cable at 19.2 Kbps or lower can be wirelessly connected with ProxLink. ProxLink is a wireless replacement for the RS-232 cable. ProxLink is resistant to interference and noise from other devices operating in the 902-928MHz ISM band. Multiple ProxLink can be operated simultaneously in the same facility. It comes with radio module, antenna, DC power supply, serial interface cable & user manual. The antenna is cracked. Please refer to the pictures. What you see is what you get.