Rugged die- cast aluminum enclosure with a black powder coat finish is standard, olive drab green (MIl- 841OD) is also available on request.Radio Waves: Stories Making Waves in the World of RadioД«ecause I keep my ear to the waves, as well as receive many tips from others who do the same, I find myself privy to radio-related stories that might interest SWLing PostВ readers. It also provide protection from electrostatic discharge (ESD) introduced on to the antenna system originating from wind driven ESD build- up and to those ESD from nearby lightning storms.Additional circuitry balance output levels to each port within 1 dB This unit is designed to give high performance results in any radio monitoring post using multiple intercept receivers. This design provide additional protection from very strong RF levels from nearby transmitters, or in cases where transmit and receive antennas are located in close proximity to each other.

A very robust circuit design with premium components and a RF Power limited front- end with dual amplifier stages. MCA216M has a mechanical and electrical design construction that will meet any government, military or commercial specification. It can be used in any monitoring post using receivers, scanners or spectrum analyzers. It is specifically suited for larger signal intercept and VHF/UHF monitoring stations, both fixed or mobile platforms. MCA216M is an active multicoupler designed to distribute VHF/UHF antenna signals to sixteen (16) VHF/UHF receivers simultaneously without loss of signal level and with high isolation between ports to minimize interaction between output devices. MCA204MIL is a special version with an integrated RF power limiter front- end, designed specifically to operate safely in very high RF environment, such as military mobile installation, or when transmit antennas are in close proximity to receive antenna. Rugged die- cast aluminum enclosure with a black powder coat finish is standard, olive drab green (MIl- 841OD) is also available on request. This unit is designed to give high performance results in any radio monitoring post using multiple intercept receivers. MCA204M and MCA204MIL has a mechanical and electrical design construction that will meet any government, military or commercial specification. It is specifically suited for signal intercept and VHF/UHF monitoring stations, both fixed or mobile platforms. MCA204M and MCA104MIL are active multicouplers designed to distribute VHF/UHF antenna signals to four (4) receivers without loss and with high isolation between ports. MCA104MIL is a special version with an integrated RF power limiter front- end, designed specifically to operate safely in very high RF environments, such as military mobile installation, or when transmit antennas are in close proximity to receive antenna.

MCA104M/MCA104MIL has a mechanical and electrical design construction that will meet any government, military or commercial specification.

It can be used in any HF monitoring post using receivers, scanners or spectrum analyzers. It is specifically suited for signal intercept and HF monitoring stations, both fixed or mobile platforms. MCA104M and MCA104MIL are active multicouplers designed to distribute HF antenna signals to four receivers without loss and with high isolation between ports. Active models include broad- band low- noise amplifiers, front- end protection, and, depending on model, input High- Pass or Low- Pass Filters. These units are designed to meet most government, military and commercial radio monitoring demands. Standard port configurations from 2 up to 16 are available. If an external pre- amplifier, receive filter or lightning protection device is used, only one is needed to service several receivers.Д«oth Passive and Active broad- band models as well as narrow- band specialty couplers are manufactured with premier components to meet a multitude of VLF to UHF monitoring applications. Isolation will reduce the possibility of RF interaction between receivers caused by local oscillators, synthesizers, etc. The advantage of using a multicoupler in signal monitoring applications were several receivers are used (such as in SIGINT/COMINT), is in the port- to- port isolation of the coupler. The fundamental application of the receiver multicoupler is to enable multiple radio receivers, spectrum analyzers or scanners, to share a common antenna system.

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