0ur policy is to provide one-stop shopping for Telecommunication products which cover Indoor-Outdoor cellular requirement. To perform this policy, we get support from various giant manufacturer such as : LS Feeder from Korea (formally LG Cable), RACAL Antenna from United Kingdom, Combilent from Denmark, Powerwave from USA with following details :

	Diplexer (GSM-DCS)
	The CP10711-4 product series from Combilent are high-isolation, dual-band diplexers (or cross band coupler) designed for a primary application of duplexing separate 800/900 MHz band and 1800/1900/2100 MHz bands transmitting or receiving equipment onto a single RF cable.
	(DCS-UMTS)
	The CP10700/1/2 is a high-isolation diplexer designed for combining or plitting signals in the full GSM1800 and UMTS bands on a single RF cable. The unit is configured to provide a path for DC and AISG signals between various ports. Its small size makes it suitable for masthead installations where space is a premium and may be used for indoor or outdoor applications.
	Triplexer (GSM-DCS-UMTS)
	The CP10715 from Combilent is a high-isolation triplexer designed for a primary application of triplexing separate 800/900 MHz band, 1800 MHz and 2100 MHz bands onto a single RF cable. As with all of the Combilent products, the unit has a number of DC path options to enable use with TMAs and / or AISG antennas.