Check the listing for details. Valcom VSSTA-50 0688-164 VSSTA 921STA Station Board Simplex 5100. Condition: Used. Listed at 379.00 USD. Removed during building remodel. Operational when removed This Valcom VSSTA-50 0688-164 VSSTA 921STA Station Board Simplex 5100 is a reliable and high-quality intercom system perfect for any business or industrial facility. The system has been designed to provide excellent communication capabilities without compromising on simplicity and ease of use. With its brand name Valcom, this intercom system has a proven track record of delivering superior performance and reliability. It is a non-modified, non-custom bundle that comes with all the necessary features to meet your communication needs. This system is ideal for use in access control equipment and intercom systems, making it a must-have for anyone looking to enhance their facility's safety and communication capabilities.