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Frequency: 868MHz~915MHz. 3dBi Antenna Specification. Gain: 3.0dBi. This case is designed to accommodate the widely available 18650 battery and can be supplied with a V3 board compatibile power cord, which needs to be soldered on the battery tabs.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.