The Terra Electronics SA-51D multiswitch amplifies and distributes SAT and TV signals in SMATV communal systems with a 5-input multiswitch. The signal levels for both types can be adjusted using switches.

The die-cast housing provides Class A shielding. It includes four SAT inputs and one TV input, as well as V.Lo, H.Lo, V.Hi, H.Hi and RTV outputs.

• Type: Multiswitch
• SAT inputs: 4 × 950–2400 MHz
• TV input: 1 × 47–790 MHz
• Outputs: V.Lo, H.Lo, V.Hi, H.Hi, RTV
• SAT tap gain: 22 dB
• SAT gain adjustment: 0–15 dB, in 1 dB steps
• SAT cable equalization: 0 / 3 / 5 / 7 dB
• TV tap gain: 22 dB
• TV gain adjustment: 0–15 dB, in 1 dB steps
• TV cable equalization: 0 / 6 / 12 / 18 dB
• SAT/SAT isolation: 30 dB
• TV/SAT isolation: 30 dB
• Maximum SAT output level: 114 dBµV
• Maximum TV output level: 109 dBµV
• Pre-amplifier power supply: 12 V DC / 0.1 A
• Maximum DC pass-through: 2 A
• Power supply: 9–18 V DC
• Power consumption: 4 W
• Operating temperature: -20 °C to 50 °C
• Dimensions: 178 × 135 × 32 mm
• Weight: 0.53 kg