Example image of eyePlorer eyePlorer map for 'Satellite modem': Communications satellite Data transmission Modem Relay Asymmetric digital subscriber line Public switched telephone network Satellite Internet access Computer Data terminal equipment Intermediate frequency L band Upconverter Modulation Downconverter Low-noise block converter Direct current Error detection and correction Framing Phase-shift keying Quadrature amplitude modulation Convolutional code Interleaving Low-density parity-check code Reed–Solomon error correction Turbo code Viterbi algorithm Viterbi decoder Arellano University Digital Video Broadcasting Drop and insert EIA-422 Ethernet G.703 ITU-T V-Series Recommendations Low-voltage differential signaling MPEG-2 Multiplexing RS-232 Signal-to-noise ratio Upmarket Digital-to-analog converter Reconstruction filter Analytic signal Automatic gain control Sampling (signal processing) Anti-aliasing filter Frequency-shift keying Equalizer Intersymbol interference Forward error correction