AsReader manufactures UHF RAIN (& HF/NFC) RFID Readers/Writers & Barcode Scanners for Smartphones. From shirt-pocket-sized 25dBm/316mW readers for reading 1m, to gun-type 30dBm/1Watt that can read 10m and generate phasing data to locate the tag, not with just an RSSI Geiger-counter-style, but with a live map -- showing the tags in X, Y, & Z Space! NO Bluetooth. Cases for Apple iOS devices from iPhone 5/6/7/8/Plus, iPad mini1/2/3 to iPad Air2 &Pro9.7. Android with MoQ.