Astra Microwave Products Limited designs, develops, and manufactures sub-systems for RF and microwave systems used in defense, space, meteorology, and telecommunication applications in India. It offers transmit/receive modules for active apertures, low power microwave sub-systems for central acquisition radar, electronic beam formers for 3-D radar, microwave receivers, high power 4-port circulators for radar applications, and limiters; data and video telemetry transmitter systems, video telemetry receivers, telemetry tracking systems, and telemetry transmitters for missile applications; and frequency synthesizers for army applications, VHF/UHF and microwave range front-end LRUs for ground surveillance applications, and VHF/UHF and microwave range biconical, dual-polarized antennas for use in ground surveillance applications. The company also provides ground based products, including coherent frequency generators, L-band modulators, switchable routers, V/UHF T/R modules, and Ka-band indoor/outdoor units; and onboard products, such as C-band T/R modules, SSPA screening, power dividers, X-band phase shifters, power amplifiers, S-band transmitters, RISAT antenna, switch matrix, Ku-band receivers and beacon sources, and C-band MMIC receivers for space applications. In addition, it offers MSS terminals for communication during disasters and automatic weather stations for data collection; GSM and CDMA repeaters, RF and optical mobile jammers, tower mounted amplifiers and boosters, and band pass and CDMA rejection filters for use in telecom applications; and non-linear junction detectors, RFID solutions, tower mounted amplifiers, and industrial security systems for security applications. Further, the company offers automatic weather stations for remote data collection and met towers for meteorology applications. It also exports its products. Astra Microwave Products Limited was incorporated in 1991 and is based in Hyderabad, India.