Industrial Wireless Radio Controls in Weatherproof enclosure TWO (2) Channel. Industrial Wireless control system? Range 2 Mile. Line-of-sight with 938432 Yagi antenna. Power 12VDC Solar Ready? Input Dry isolated contact N/O? Relay output SPST 5 Amp 240V/30V. Solar Ready 12Vdc Operation Installation features. Operation license-free 433MHz ISM band? Easy installation. Panel mount Enclosure size 9 x 9 x 3.5 Inches. Two Channel Supervised Radio System (Transmitter and Receiver). One Transmitter, One Receiver and Two short range 6 Inch Antenna with 5ft coax cable w SMA connector and instructions. ANTENNAS 2 Yagi antenna t for ranges up to 3Km, yagi938432 w 10ft Coax? Dry isolated input contact N/O? Relay output SPST N/O 5 Amp, 30V DC / 240Vac Class 2, Pilot Duty Applications: Industrial Monitoring, Pump control, Lighting controls, Monitor remote instruments, sensors and detectors, Generators Packing and mobile system, SCADA installations, Factory process control and alarms. N/O Normally Open, digital dry contact. 16 addresses per system GFSK. 0.8 lb (0.40kg) each unit. 9.00 x 9.00 x 3.50 in. Relay SPST contact 5. Amp, 30V/240vac Class 2 pilot duty. 433 MHz. License free Industrial ISM band. FCC CFR part 15.247, 95 sub E. 50 Ohm SMA RF connector. 14° to 140° F (-10° to 60° C).