When you dial the number on the mobile phone, you can hear the dial tone if your mobile phone supports this function. When the call is answered, you can speak and listen with your head- set.

To Receive calls

If your mobile phone is in auto answer mode, HCB-21 will automatically connect. And you will hear the sound in your headset.

If your mobile phone does not support auto answer, when the mobile phone rings, please press mobile phone “TALK” but- ton to receive calls. And you will hear the voice through your headset.

To End Calls

Please use the “END” button on the mobile phone; or if the other party hang up the phone, then it is necessary to push the ”END” key.

Specification

Battery (Li-polymer): 125mAh

Frenquency : 2.4GHz

Channels: 79

Channel intervals : 1 MHz

Distances: Indoor 5 m; outdoor 10 m

Talking time: 5 hours

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Huey Chiao HCB-21 manual To Receive calls, To End Calls, Specification

HCB-21 specifications

The Huey Chiao HCB-21 is a remarkable advancement in the world of unmanned aerial vehicles (UAVs), primarily designed for military and commercial applications. This drone is notable for its versatility, advanced technology, and robust performance characteristics, making it an ideal choice for various missions, including surveillance, reconnaissance, and logistical support.

One of the defining features of the Huey Chiao HCB-21 is its integrated flight control system, which allows for precise maneuverability and stability in diverse environmental conditions. This system is equipped with GPS and inertial navigation, enabling the drone to complete its missions with high accuracy, even in challenging terrains. Its autonomous capabilities are further enhanced by advanced algorithms that support real-time obstacle detection and avoidance.

The HCB-21 boasts a modular design, permitting easy configuration for different mission profiles. This adaptability allows users to quickly switch payloads, such as high-resolution cameras, sensors for electronic warfare, or supply transport equipment, thereby maximizing the drone's utility in various operational contexts. The payload capacity is substantial, enabling it to carry out complex tasks without compromising performance.

Performance-wise, the HCB-21 is powered by a fuel-efficient engine that offers an impressive flight time. This extended range is crucial for missions that require prolonged surveillance or reconnaissance over vast areas. The drone's maximum altitude also facilitates a broader operational scope, allowing it to gather intelligence from altitudes that are often inaccessible to traditional ground-based systems.

In terms of construction, the Huey Chiao HCB-21 features a lightweight yet durable airframe, constructed from advanced composite materials. This not only enhances its aerodynamic efficiency but also contributes to its resilience against environmental factors such as wind and precipitation.

Another significant technological feature is its advanced data communication system. The HCB-21 can transmit high-definition video and sensor data in real-time, providing operators with immediate situational awareness. This capability is complemented by secure data encryption protocols that ensure that sensitive information remains protected from cyber threats.

In summary, the Huey Chiao HCB-21 represents a culmination of sophisticated technologies and superior design, tailored for a wide range of applications. Its modular capabilities, extended flight endurance, and robust construction make it an essential asset for modern aerial operations, paving the way for enhanced operational effectiveness in both military and commercial arenas. As the field of UAVs continues to evolve, the HCB-21 stands out as a prominent player in this rapidly advancing sector.