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Zigbee CC2530 Chip Antenna

AN9520 central frequency is 2450 MHz and Bandwith is 200 MHz , therfore this Antenna Support 2350~2550 MHz.

CC2530 Central Frequency is 2400MHz and has 16 channels , and channel Bandwith is 5 MHz , therfore CC2530 Support 2320~2480 MHz

i used channel 26 , but cc2530 not connected to Coordinator , connect range is 1~1.5 m in 0dBm

please help me!!!!