3in1 2.4G 5.2G 5.8G WiFi shield blocking signal Blocker Frequency F/ 2.4Ghz Bluetooth interference RF amplifier antenna

3in1 2.4G 5.2G 5.8G WiFi shield blocking signal Blocker Frequency F/ 2.4Ghz Bluetooth interference RF amplifier antenna
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sku: 1005003692907293
$5.26
Shipping from: China
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