logo_GMSGMS pioneered the development of technologically advanced communications products for the commercial television broadcast and law enforcement surveillance industries. GMS designs and manufactures miniature and sub-miniature transmitters and receivers specifically for investigative, surveillance, and security applications. We maintain a high degree of expertise in our core business: development and production of microwave/RF related devices, video collection links which are used in specialized concealments, and remotely controlled surveillance equipment.


Analog Transmitter & Receiver, C-OFDM Transmitter & Receiver


Wireless High Definition 720p DVB-T COFDM Helicopter Surveillance Downlink, Wireless DVB-T COFDM Video Uplink, First 6.5Ghz wireless DVB-T COFDM fan cam, GMS and Flying-Cam, HD UAV in action, Wireless Handheld Camera, Live traffic coverage on TV, small UAV projects, BUSTER UAV, Predator, Wireless DVB-T, COFDM High Definition Fan Cam, Surface Vessel.


Rocktronics, Inc. (Head Office)

President & CEO : Mr. Stewart Choi
1464 E. Valencia Dr., Fullerton, CA 92831 U.S.A
Tel: 714)578-0500 Fax: 714)578-0505

Rocktronics Korea, Inc. (Branch Office)

Teran Bldg., GangNam-Ku, Seoul, Korea Tel: 02)553-0095 Fax: 02)553-2833

MegaFos, Inc.

(export License / value add / assembly service subsidiary)
Tel: 714)447-0700 Fax: 714)447-0701