Iridium AD511 Active Antenna

Price: $2,150.00
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AD511-2 Active Iridium Antenna

This active antenna allows Iridium users requiring an installation with long cable runs to use a lower-grade, more-flexible cable. Ideal for most cable runs between 150 and 500 feet. These extended cable lengths offer the ability to provide Iridium installations on ships and land where previously an Iridium solution could not operate.

The new AD-511-2 replaces the older series AD511, AD520-10 & AD510-10 models.

AD-511-2 Iridium Active Antenna is designed to allow Iridium installations with up to 160 meters of coaxial RF cable, without any degradation of performance, compared to only 30 meters maximum for a standard passive antenna device.

AD-511-2 Iridium Active Antenna is supplied without coaxial cable as standard but allows pre-set lengths between 27 and 160 meters subject to use of the correct, AST identified coaxial cable. (Main antenna coax cable not included).

High Quality Active AD511-2 Antenna

AD-511-2 provides extreme ruggedness and reliability, manufactured from an anodized hard aluminum bottom case and a pressure molded GRP radome to provide a sealed, dust and water-resistant antenna.

Special Note: Use of the incorrect cable at the specified length or shortening of the cable supplied can damage the antenna and invalidate the Manufacture warranty.

Box Contents for the Active Iridium Antenna AD511-2

Iridium Active Antenna (AD511-2): includes- heavy duty alloy mounting bracket, DC leads, Power Break-In Box and 0.5 m coaxial cable w/TNC M TNC M end connectors.

AD511-3 Power Break-In Box: This is designed to sit close to the Iridium phone device and requires a DC power input between +18V to +36V DC at 500mA (Power supply not included). A 0.5-meter coaxial lead is supplied to connect the Iridium phone device to the Power Break-In Box.

Accessories for the AD511-2 Active Antenna 

AD511 Antenna Custom Cable


Support Document for the AD511-2 Active Antenna


AD511-2 Iridium Active Antenna User Manual (PDF)



Part Number




Product Specification

  • Dimensions: 240x85x70mm
  • Weight (excluding mounting bracket): 0.8kg
  • Operating Temperature: -40 to +85 degrees C
  • Antenna Head Connection: N Type
  • Frequency: 1610 – 1630MHz
  • Polarization: Right Hand Circular
  • Antenna Type: RHCP Dipole
  • Ceramic Filter Bandwidth: 25MHz (Rx)
  • Operating Voltage: +18 to 36Vdc (nominal 24Vdc)

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