Digital is more than a breath of fresh air, it's a new wind blowing through our economy and our society. In DTT, a Multiplex designates a group of several channels broadcast on the same hertzian frequency by digital television transmitters (TNT) requiring less bandwidth with several television channels transmitted either in SD (Standard definition) or in HD (high definition). This article focuses on the deployment of the R1 TNT multiplex in high definition HD mode on the Kinshasa and Matadi axis which must be installed according to the DVB-T2/S2 (TNT-HD) standards instead of the DVB-T standard (experimental) adopted by the DRC, following its robustness in its modulation, its compression compared to other standards. R1 will consist of 12 TV channels, namely RTNC1, France 24, and Bosolo TV, RTG@, Antenne A, RTCE, Mercure TV, RTNC3, TOP Congo, RFI, BBC and GPB to offer viewers of these entities digital programs of good quality with the integration of other services in particular: the Internet, telephony, teleshopping, etc. The final result of the measurement of the bit error rate in relative value obtained after the implementation of the R1 DTT multiplex (DVB- T2/HD) is the improvement of the quality of images and sound. This value is between 10-5 and 10-8 for the 55 dBuV level for CBER and VBER.

Remote surveillance is a security weapon all over the world. The freedom market also called «M’zee Laurent Désiré Kabila» is one of the largest markets in Kinshasa, located in the Commune of Masina in the DRC. Thus, the security of sellers and their goods is essential. The objective of this article is to set up a remote surveillance network by IP camera via fiber optics. The daytime IP cameras and alarms are installed in different access points of the said market. The images captured by the IP cameras in this environment are transmitted to the WIN APPLICATION server (Database) installed in the control room, also called monitoring (server) for their processing (reading, storage, visualization, and printing). The results obtained show the feasibility of the optimal video surveillance project on the detection of suspicious elements. Surveillance cameras do not protect against burglaries but allow burglars to be unmasked.