Where is the cheapest place to buy an MFRC522 / RC522?

NAME CASE In Stock Min
Order
Price Manufacturer
Or Distributor
URL
RC522+ B BLUE +8P   200 $1.28 https://focalforce.en.alibaba.com https://www.alibaba.com/product-detail/Free-Shipping-RFID-Kit-RC522-MFRC522_62227010451.html
  BLUE +8P   1000 $1.24 https://focalforce.en.alibaba.com https://www.alibaba.com/product-detail/Free-Shipping-RFID-Kit-RC522-MFRC522_62227010451.html
  BLUE +8P   5 $1.15 https://3cmarket.en.alibaba.com https://www.alibaba.com/product-detail/High-quality-mfrc-522-S50-Spi_62084338300.html
  BLUE +8P   100 $1.11 https://3cmarket.en.alibaba.com https://www.alibaba.com/product-detail/High-quality-mfrc-522-S50-Spi_62084338300.html
  BLUE +8P   500 $1.06 https://3cmarket.en.alibaba.com https://www.alibaba.com/product-detail/High-quality-mfrc-522-S50-Spi_62084338300.html
  BLUE +8P   1000 $1.00 https://3cmarket.en.alibaba.com https://www.alibaba.com/product-detail/High-quality-mfrc-522-S50-Spi_62084338300.html
  BLUE +8P   10 $0.90 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-MFRC522-RFID-IC-Card-Reader_1600180673508.html
  BLUE +8P   100 $0.85 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-MFRC522-RFID-IC-Card-Reader_1600180673508.html
  BLUE +8P   1000 $0.80 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-MFRC522-RFID-IC-Card-Reader_1600180673508.html
  BLUE +8P   10000 $0.78 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-MFRC522-RFID-IC-Card-Reader_1600180673508.html
  BLUE +8P   10 $0.80 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-RFID-IC-card-Sensing-module_1600180714080.html
  BLUE +8P   100 $0.78 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-RFID-IC-card-Sensing-module_1600180714080.html
  BLUE +8P   1000 $0.76 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-RFID-IC-card-Sensing-module_1600180714080.html
  BLUE +8P   10000 $0.70 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-RFID-IC-card-Sensing-module_1600180714080.html
  BLUE +8P   10 $0.88 https://danlin-jiye.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RC522-mfrc-522-RFID-IC_62586832926.html
  BLUE +8P   100 $0.85 https://danlin-jiye.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RC522-mfrc-522-RFID-IC_62586832926.html
  BLUE +8P   500 $0.83 https://danlin-jiye.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RC522-mfrc-522-RFID-IC_62586832926.html
  BLUE +8P   5000 $0.75 https://danlin-jiye.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RC522-mfrc-522-RFID-IC_62586832926.html
  DARK +8P   1 $3.94 https://szkeyes.en.alibaba.com https://www.alibaba.com/product-detail/MF522-AN-module-MFRC522-RC522-13_60782583301.html
  DARK +8P   10 $3.64 https://szkeyes.en.alibaba.com https://www.alibaba.com/product-detail/MF522-AN-module-MFRC522-RC522-13_60782583301.html
  DARK +8P   50 $3.33 https://szkeyes.en.alibaba.com https://www.alibaba.com/product-detail/MF522-AN-module-MFRC522-RC522-13_60782583301.html
  DARK +8P   100 $3.03 https://szkeyes.en.alibaba.com https://www.alibaba.com/product-detail/MF522-AN-module-MFRC522-RC522-13_60782583301.html
  BLUE +8P   10 $1.20 https://qzindustial.en.alibaba.com https://www.alibaba.com/product-detail/QZ-industrial-new-and-high-quality_62304206902.html
  BLUE +8P   50 $1.15 https://qzindustial.en.alibaba.com https://www.alibaba.com/product-detail/QZ-industrial-new-and-high-quality_62304206902.html
  BLUE +8P   100 $1.10 https://qzindustial.en.alibaba.com https://www.alibaba.com/product-detail/QZ-industrial-new-and-high-quality_62304206902.html
  BLUE +8P   1000 $1.05 https://qzindustial.en.alibaba.com https://www.alibaba.com/product-detail/QZ-industrial-new-and-high-quality_62304206902.html
  BLUE +8P   10 $0.90 https://szgoldtech.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RFID-IC-Card-Reader-Proximity_60834109019.html
  BLUE +8P   100 $0.85 https://szgoldtech.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RFID-IC-Card-Reader-Proximity_60834109019.html
  BLUE +8P   1000 $0.80 https://szgoldtech.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RFID-IC-Card-Reader-Proximity_60834109019.html
  BLUE +8P   10000 $0.78 https://szgoldtech.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RFID-IC-Card-Reader-Proximity_60834109019.html
RC522 A12 DARK 9P5V   2 $4.29 https://goldensunic-sz.en.alibaba.com https://www.alibaba.com/product-detail/A12-Compact-RFID-Reader-Writer-and_62387782282.html
RC522 A12 DARK 9P5V   50 $4.17 https://goldensunic-sz.en.alibaba.com https://www.alibaba.com/product-detail/A12-Compact-RFID-Reader-Writer-and_62387782282.html
RC522 A12 DARK 9P5V   100 $4.04 https://goldensunic-sz.en.alibaba.com https://www.alibaba.com/product-detail/A12-Compact-RFID-Reader-Writer-and_62387782282.html
RC522 A12 DARK 9P5V   500 $3.87 https://goldensunic-sz.en.alibaba.com https://www.alibaba.com/product-detail/A12-Compact-RFID-Reader-Writer-and_62387782282.html
  BLUE +8P   1 $0.85 https://arduino.en.alibaba.com https://www.alibaba.com/product-detail/HW-126-MFRC522-RC522-RFID-RF_62297357387.html
  BLUE +8P   500 $0.79 https://arduino.en.alibaba.com https://www.alibaba.com/product-detail/HW-126-MFRC522-RC522-RFID-RF_62297357387.html
  BLUE +8P   10000 $0.65 https://arduino.en.alibaba.com https://www.alibaba.com/product-detail/HW-126-MFRC522-RC522-RFID-RF_62297357387.html
  BLUE +8P   10 $0.79 https://keepintegrity.en.alibaba.com https://www.alibaba.com/product-detail/RC522-MFRC522-RFID-RF-IC-Card_62328494587.html
  BLUE +8P   100 $0.74 https://keepintegrity.en.alibaba.com https://www.alibaba.com/product-detail/RC522-MFRC522-RFID-RF-IC-Card_62328494587.html
  BLUE +8P   500 $0.70 https://keepintegrity.en.alibaba.com https://www.alibaba.com/product-detail/RC522-MFRC522-RFID-RF-IC-Card_62328494587.html
  BLUE +8P   1000 $0.68 https://keepintegrity.en.alibaba.com https://www.alibaba.com/product-detail/RC522-MFRC522-RFID-RF-IC-Card_62328494587.html
  BLUE +8P   10 $1.42 https://logickey.en.alibaba.com https://www.alibaba.com/product-detail/MFRC-522-RC522-MFRC522-RFID-RF_60725544605.html
  BLUE +8P   50 $1.31 https://logickey.en.alibaba.com https://www.alibaba.com/product-detail/MFRC-522-RC522-MFRC522-RFID-RF_60725544605.html
  BLUE +8P   100 $1.21 https://logickey.en.alibaba.com https://www.alibaba.com/product-detail/MFRC-522-RC522-MFRC522-RFID-RF_60725544605.html
  BLUE +8P   10 $0.86 https://yidadongli.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RFID-IC-Card-Reader-Proximity_1600088806847.html
  BLUE +8P   100 $0.82 https://yidadongli.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RFID-IC-Card-Reader-Proximity_1600088806847.html
  BLUE +8P   1000 $0.77 https://yidadongli.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RFID-IC-Card-Reader-Proximity_1600088806847.html
  BLUE +8P   1 $0.85 https://ebest-hk.en.alibaba.com https://www.alibaba.com/product-detail/HW-126-MFRC522-RC522-RFID-RF_1600128002415.html
  BLUE +8P   500 $0.79 https://ebest-hk.en.alibaba.com https://www.alibaba.com/product-detail/HW-126-MFRC522-RC522-RFID-RF_1600128002415.html
  BLUE +8P   10000 $0.65 https://ebest-hk.en.alibaba.com https://www.alibaba.com/product-detail/HW-126-MFRC522-RC522-RFID-RF_1600128002415.html
RC522 A12 DARK 9P5V   2 $5.29 https://etimga.en.alibaba.com https://www.alibaba.com/product-detail/Compact-RFID-Reader-Writer-and-NFC_62575147338.html
RC522 A12 DARK 9P5V   50 $5.17 https://etimga.en.alibaba.com https://www.alibaba.com/product-detail/Compact-RFID-Reader-Writer-and-NFC_62575147338.html
RC522 A12 DARK 9P5V   100 $5.04 https://etimga.en.alibaba.com https://www.alibaba.com/product-detail/Compact-RFID-Reader-Writer-and-NFC_62575147338.html
RC522 A12 DARK 9P5V   500 $4.87 https://etimga.en.alibaba.com https://www.alibaba.com/product-detail/Compact-RFID-Reader-Writer-and-NFC_62575147338.html
  BLUE +8P   1 $0.85 https://cnysonix.en.alibaba.com https://www.alibaba.com/product-detail/Mfrc522-Rc522-Rfid-Rf-Ic-Card_1600168641617.html
  BLUE +8P   500 $0.79 https://cnysonix.en.alibaba.com https://www.alibaba.com/product-detail/Mfrc522-Rc522-Rfid-Rf-Ic-Card_1600168641617.html
  BLUE +8P   10000 $0.65 https://cnysonix.en.alibaba.com https://www.alibaba.com/product-detail/Mfrc522-Rc522-Rfid-Rf-Ic-Card_1600168641617.html
  DARK +8P   2 $3.94 https://szkeyes.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RFID-module-S50-Fudan-card_60288452184.html
  DARK +8P   10 $3.64 https://szkeyes.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RFID-module-S50-Fudan-card_60288452184.html
  DARK +8P   50 $3.33 https://szkeyes.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RFID-module-S50-Fudan-card_60288452184.html
  DARK +8P   100 $3.03 https://szkeyes.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RFID-module-S50-Fudan-card_60288452184.html
  BLUE +8P   2 $1.00 https://ebest-hk.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RC522-RFID-RF-IC-Card_1600077053009.html
  BLUE +8P   100 $0.95 https://ebest-hk.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RC522-RFID-RF-IC-Card_1600077053009.html
  BLUE +8P   1000 $0.85 https://ebest-hk.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RC522-RFID-RF-IC-Card_1600077053009.html
  BLUE +8P   1 $1.10 https://etimga.en.alibaba.com https://www.alibaba.com/product-detail/MFRC-522-RC522-mfrc-522-RFID_62549018995.html
  BLUE +8P   100 $0.99 https://etimga.en.alibaba.com https://www.alibaba.com/product-detail/MFRC-522-RC522-mfrc-522-RFID_62549018995.html
  BLUE +8P   1000 $0.97 https://etimga.en.alibaba.com https://www.alibaba.com/product-detail/MFRC-522-RC522-mfrc-522-RFID_62549018995.html
  GREEN +8P   2 $3.41 https://etimga.en.alibaba.com https://www.alibaba.com/product-detail/A3-MFRC522-RC522-RFID-radio-frequency_62419526840.html
  GREEN +8P   50 $3.27 https://etimga.en.alibaba.com https://www.alibaba.com/product-detail/A3-MFRC522-RC522-RFID-radio-frequency_62419526840.html
  GREEN +8P   100 $3.13 https://etimga.en.alibaba.com https://www.alibaba.com/product-detail/A3-MFRC522-RC522-RFID-radio-frequency_62419526840.html
  GREEN +8P   500 $2.84 https://etimga.en.alibaba.com https://www.alibaba.com/product-detail/A3-MFRC522-RC522-RFID-radio-frequency_62419526840.html
  GREEN +8P   5 $2.95 https://qzindustial.en.alibaba.com https://www.alibaba.com/product-detail/QZ-industrial-new-mini-version-13_62242726103.html
  GREEN +8P   50 $2.75 https://qzindustial.en.alibaba.com https://www.alibaba.com/product-detail/QZ-industrial-new-mini-version-13_62242726103.html
  GREEN +8P   100 $2.55 https://qzindustial.en.alibaba.com https://www.alibaba.com/product-detail/QZ-industrial-new-mini-version-13_62242726103.html
  GREEN +8P   1000 $2.35 https://qzindustial.en.alibaba.com https://www.alibaba.com/product-detail/QZ-industrial-new-mini-version-13_62242726103.html
  BLUE +8P   10 $0.90 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-Stock-Electronic-Components-proximity-sensor_1600154736135.html
  BLUE +8P   100 $0.85 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-Stock-Electronic-Components-proximity-sensor_1600154736135.html
  BLUE +8P   1000 $0.80 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-Stock-Electronic-Components-proximity-sensor_1600154736135.html
  BLUE +8P   10000 $0.78 https://ysonix.en.alibaba.com https://www.alibaba.com/product-detail/Ysonix-Stock-Electronic-Components-proximity-sensor_1600154736135.html
  GREEN +8P   1 $3.07 https://zhonghaisheng.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RC522-Wireless-Module-Mini-RFID_62346941009.html
  GREEN +8P   10 $2.36 https://zhonghaisheng.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-RC522-Wireless-Module-Mini-RFID_62346941009.html
  BLUE +8P   2 $0.80 https://jkcd.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-rfid-rc522-rc522-RFID-IC_62413159501.html
  BLUE +8P   100 $0.75 https://jkcd.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-rfid-rc522-rc522-RFID-IC_62413159501.html
  BLUE +8P   10000 $0.63 https://jkcd.en.alibaba.com https://www.alibaba.com/product-detail/MFRC522-rfid-rc522-rc522-RFID-IC_62413159501.html
  BLUE +8P   200 $1.28 https://focalforce.en.alibaba.com https://www.alibaba.com/product-detail/Free-Shipping-RFID-Kit-RC522-MFRC522_62227010451.html
  BLUE +8P   1000 $1.24 https://focalforce.en.alibaba.com https://www.alibaba.com/product-detail/Free-Shipping-RFID-Kit-RC522-MFRC522_62227010451.html