Since the launch of Bluetooth, Bluetooth has been a relatively practical technology. At present, there are many products using Bluetooth technology. The most widely used is the Bluetooth 2.1+EDR version of Bluetooth technology, which is superior to the previous version. The current 3.0 technology has also gradually begun to use, Jabra's recently released Bluetooth headset HAL02 has adopted the 3.0 version of Bluetooth technology, and has a dual noise reduction microphone, the main use of out-of-town people.
The Jabra HAL02 Bluetooth Headset features an all-in-one design. The overall look looks very simple. The dark tone matches a full business atmosphere, but the silver trim on the edge of the ear shell is stylish. The headset is lightweight and has a folded structure for carrying out. The ear-mounted earmuffs are made of sponge and are breathable and comfortable for long-term wear. The HAL02 Bluetooth headset can play music for up to 6 hours in a row, while it can work continuously for 8 hours with its call, and the standby time is 312 hours. The battery capacity is very good.
This headset is currently not available in China, and interested friends can follow the follow-up reports.
915MHz Antenna is an active RFID positioning system. It has been widely used in a variety of positioning scenarios. Aimming at the demand of miniaturization of electronic tags in the actual scene, we realized the miniaturization design of the label PCB antenna with bend line in the semicircle with radius of 14 mm. Based on the lumped component circuit, this antenna realized the resonance characteristic of 915Mhz Antenna andtag antenna & tag chip achieved 50 Ω impedance horses. 915MHZ antenna is usually used for amateur radio, smart home and so on.
915MHz Antenna
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Shenzhen DELIN Communication Technology Co., Ltd. , http://www.delinct.com