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Alpha2 ESA Antenna
Alpha2 ESA Antenna

Alpha2 ESA Antenna

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Ultra-Compact and Lightweight Design 


Its extremely small and light form factor imposes virtually no limitations on installation space. The antenna can be easily installed on vehicles and vessels, and on the ground, a elevation adjustment kit ensures optimal performance. 

Full-duplex Electronically Steered Array (ESA) Antenna 

It simultaneously handles transmission and reception (Full-Duplex) and automatically tracks GEO satellites at ultra-high speeds without mechanical driving parts. his design maintains a stable, two-way link even in highly turbulent environments.



High Performance & Reliability 

Despite its compact size and 25.2 kg weight, the unit is engineered to MIL-grade durability, ensuring stable operation even in harsh environments up to 60 °C. The IP66 protection rating provides strong resistance against dust and water, delivering high reliability for demanding field applications.


Built-in Modem and One-Box Solution  


With an integrated modem board and OpenAMIP-based modem interface, the system completes service setup automatically with no additional configuration after installation. Built-in Wi-Fi support enables seamless wireless connectivity for field operations.











Alpha2 ESA is an electronic beam steering antenna that has been proven for export worldwide, boasting stable performance and strong power output. 


Alpha2 ESA antenna features an EIRP of 49 dBW and a G/T of 12 dB/K, which is usable for geostationary satellites (GEO). It proves that OTM services are possible while on the move, and is used on SUV and ships.

Ultra-Compact and Lightweight Design

Its extremely small and light form factor imposes virtually no limitations on installation space. The antenna can be easily installed on vehicles and vessels, and on the ground, a elevation adjustment kit ensures optimal performance.

Full-duplex Electronically Steered Array (ESA) Antenna 


It simultaneously handles transmission and reception (Full-Duplex) and automatically tracks GEO satellites at ultra-high speeds without mechanical driving parts. his design maintains a stable, two-way link even in highly turbulent environments.


High Performance & Reliability

Despite its compact size and 25.2 kg weight, the unit is engineered to MIL-grade durability, ensuring stable operation even in harsh environments up to 60 °C. The IP66 protection rating provides strong resistance against dust and water, delivering high reliability for demanding field applications.

Built-in Modem and One-Box Solution 


With an integrated modem board and OpenAMIP-based modem interface, the system completes service setup automatically with no additional configuration after installation. Built-in Wi-Fi support enables seamless wireless connectivity for field operations.

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Antenna Spec 

•  Model Name : Alpha2(GU420) / GU420M(Military) 

•  Antenna Type : Active Phased Electronically Steered Array Antenna

•  Frequency : TX : 13.7–14.5 GHz

                         RX : 10.7–12.75 GHz

•  Local Oscillator Frequency : TX: 12.8 / 13.05 GHz

                                                  RX: 9.75 / 10.6 / 11.3 GHz

•  Scanning Range : Azimuth: 0º–360º 

                                   Elevation: 30º–90º

•  Size (W x D x H) : 1090 mm × 602 mm ×  90 mm

•  Weight : ≤ 25.2 kg

•  10 MHz Reference : TX / RX port requires 10 MHz.


Ant Transmit/Receive Performance 

•  EIRP (Typical) :  Linear : ≥ 49 dBW @ 90º @ 14.1 GHz

•  G/T (Typical) : ≥ 12dB/K @ 90° @ 11.7 GHz @ 40K 

•  Polarization : Linear H/V, Circular LHCP/RHCP

•  First Side Lobe : ≤ -15dB
• Cross Polarization : ≤ -30 dB
•  Satellite Tracking : DVB-S2

                                     DVB-S2X Carrier Detection

•  Tracking Mode : OTM, OpenAMIP Mode,

                                 Manual Mode

•  Communication Mode : Full Duplex 

•  Modem(OpenAMIP) : Built-in iDirect, Comtech UHP modem(Option)

Interface Features

•  Interface Ports : Built-in iDirect modem,

                                 DC port, Lan Port

•  Contol interface : Ethernet RJ45, WiFi

•  Built-in modem : YES


Power Supply Requirement

•  Rated Voltage : 28 V (24–31 V)

•  Power Consumption : ≤ 550 Watt (Peak)

Ant environmental performance 

•  Pol Switching Time : ≤ 0.5ms

•  Beam Switching Time : ≤  0.3 ms

•  Tracking Speed : 110°/sec

•  Tracking Accuracy : 0.2°

•  Operating Temp : -40 ºC – +60 ºC

•  Storage Temp : -55 ºC – +70 ºC

•  Water-proof : IP66 

•  Military Standard : MIL-STD-810G (GU420M)

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Antenna Spec

•  Model Name : Alpha2 (GU420) / GU420M (Military) 

•  Antenna Type : Active Phased Electronically Steered Array

                               Antenna

•  Frequency : TX : 13.7–14.5 GHz, RX : 10.7–12.75 GHz

•  Local Oscillator Frequency : TX: 12.8 / 13.05 GHz

                                                      RX: 9.75 / 10.6 / 11.3 GHz

•  Scanning Range : Azimuth : 0º–360º  Elevation: 30º–90º

•  Size (W x D x H) : 1090 mm × 602 mm × 90 mm

•  Weight : ≤ 25.2 kg

•  10 MHz Reference : TX/ RX port requires 10 MHz.

Ant Transmit/Receive Performance 

•  EIRP (Typical) :  Linear : ≥ 49 dBW @ 90º @ 14.1 GHz

•  G/T (Typical) : ≥ 12dB/K @ 90° @ 11.7 GHz @ 40K 

•  Polarization : Linear H/V, Circular LHCP/RHCP

•  First Side Lobe : ≤ -15dB
•  Cross Polarization : ≤ -30 dB
•  Satellite Tracking : DVB-S2 / DVB-S2X Carrier Detection

•  Tracking Mode : OTM, OpenAMIP Mode, Manual Mode

•  Communication Mode : Full Duplex 

•  Modem(OpenAMIP) : Built-in iDirect, Comtech UHP modem 

                                           (Option)


Interface Features

•  Interface Ports : Built-in iDirect modem, DC port, Lan Port

•  Contol interface : Ethernet RJ45, WiFi

•  Built-in modem : YES


Power Supply Requirement

•  Rated Voltage : 28 V (24–31 V)

•  Power Consumption : ≤ 550 Watt (Peak)

Ant environmental performance 

•  Pol Switching Time : ≤ 0.5ms

•  Beam Switching Time : ≤  0.3 ms

•  Tracking Speed : 110°/sec

•  Tracking Accuracy : 0.2°

•  Operating Temp : -40 ºC – +60 ºC

•  Storage Temp : -55 ºC – +70 ºC

•  Water-proof : IP66 

•  Military Standard : MIL-STD-810G (GU420M)

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