Diamond D777 Civil & Military Receiving Antenna


The Diamond D777 Civil & Military Receiving Antenna stands as a testament to Japanese engineering excellence. Crafted with precision and durability in mind, this antenna boasts a sturdy construction fashioned from fiberglass materials, ensuring longevity and reliability in all weather conditions.


Pre-tuned for optimal performance straight out of the box, this antenna eliminates the hassle of manual tuning, allowing users to swiftly integrate it into their setups. Its comprehensive weatherproofing guarantees continued functionality even in harsh environments, offering peace of mind to users in varied operational scenarios.

Designed to excel in both civilian and military applications, the D777 covers a wide frequency range, catering to diverse communication needs. With a frequency range of 120 to 300 MHz, it accommodates a spectrum of signals crucial for effective communication.

Diamond D777 Civil & Military Receiving Antenna

The antenna’s innovative design incorporates a 5/8 wave configuration for 120 MHz and a 2 x 5/8 wave setup for 300 MHz, ensuring optimal signal reception across the frequency band. Standing at approximately 1.7 meters tall and weighing a mere 1 kilogram, it strikes the perfect balance between performance and portability. Featuring impressive gain figures of 3.4 dBi at 120 MHz and 5.5 dBi at 300 MHz, the D777 delivers enhanced signal strength, facilitating clear and uninterrupted communication over extended distances.

Its compatibility with standard 50-ohm systems and SO239 connectors simplifies integration into existing setups, while the inclusion of mounting components ensures easy installation on masts ranging from 30 mm to 62 mm in diameter.

Engineered to withstand the elements, this antenna boasts a rated wind velocity of 60 m/sec, ensuring stability and reliability even in challenging outdoor conditions. Whether deployed in civilian communications infrastructure or military operations, the Diamond D777 antenna stands ready to deliver superior performance and unwavering reliability.


Length1.7 m
Weight1 kg
Impedance50 Ohms
Rated Wind Velocity60 m/sec
Mast Diameter30 mm to 62 mm
D777120/300 MHz (receive only)
Gain3.4 dBi (120 MHz) 5.5 dBi (300 MHz)
Type5/8 wave (120 MHz), 2 x 5/8 wave (300 MHz)

Additional information

Weight1.3 kg