Ritron Callbox provides wireless, real-time, two-way communication for fixed locations. Facilities can control safety and security with enhanced access control as visitors announce themselves from the outside and radio-equipped personnel inside take appropriate actions. This wireless technology enables facilities to improve response time and enhance security without adding additional personnel or infrastructure. The Ritron callboxcan be PC programmed to be compatible with any brand of VHF or UHF business band radio. Each Callbox is available with either a tamper-resistant heavy duty XT enclosure or a light duty, NEMA rated weather-resistant light duty enclosure.