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Chip: SIM800L. 1 x SIM800L GPRS GSM Module Micro SIM Card Board Quad-band TTL Serial Port Arduino. Onboard signal lights all the way. It flashes slowly when there is a signal. Power module automatically boot, homing network.
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.