SECO-LARM U.S.A. started shipping the new Wireless Desktop Transmitter. The SD-862T-GWSQ wireless desktop transmitter is the ideal solution for difficult access control installations and is perfect for various desktop applications, mounting on cement or brick walls, or any other location where it is difficult to run wires. It has a built-in RF transmitter (315MHz) with an operating range up to 250 ft. and includes a 9VDC battery as well as English, Spanish, French, and blank message plates. The wireless desktop transmitter requires a SK-910 (315MHz) series receiver.