POOR SIGNAL

I use a prepaid Telkom mobile sim card ***) and receive a signal via a Huawei B593-346F modem. To enhance the signal I have a set of horizontal and vertical antennae pointing directly towards the nearest Telkom tower which is quite close to my location. At first I had excellent reception. But for the last two or three months the quality of the signal has deteriorated tremendously. Especially in the morning I get as low as 14.6 mbps download speed and 4.6 mbps upload speed. That is NOT what I pay for.<br> <br> I have reported this issue on the Telkom website several times but received no response. Prepaid customers are not important? And whatever happened to the LTE coverage that you claim to have in this area?