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--- projects:rfid:start [2024/10/22 16:06] – [Chafon Products] hoi-fung.sam
+++ projects:rfid:start [2024/10/23 14:16] (current) – [Chafon Products] hoi-fung.sam
@@ Line 22: / Line 22: @@
 | [[https://www.chafontech.com/productinfo/1069318.html|CF661 Prime UHF 6dbi integrated reader]]          | 200 tags per sec  | USD80   | {{projects:rfid:cf661_en.pdf\\ }}      |
-My suggestion is to buy one **CF816** Fixed reader. **CF816** and **CF811** are basically the same, the main difference is that **CF816** is using impinj E710 chip, which is more sensitive in reading and has a higher reading speed. **CF800** is also using impinj E710 chip and has Android operating system additionally, which I think is not necessary to us. The API of the CF816 and CF800 are the same.
+My suggestion is to buy **CF816** Fixed reader. **CF816** and **CF811** are basically the same, the main difference is that **CF816** is using impinj E710 chip, which is more sensitive in reading and has a higher reading speed. **CF816** also has more API commands than **CF811**.\\
+**CF800** is also using impinj E710 chip and has Android operating system additionally, which I think is not necessary to us. The API of the **CF816** and **CF800** are the same.
 And buying two to four **CF-RA8080** UHF RFID ceramic antennas to use with the Fixed reader, The gate size of the chicken house is around 30cm height and 27cm width. The ceramic has a size of 80*80*5mm, with circular polarization, its reading angle is 60 degrees forward. So it is possible to cover the gate size. But we can also go for a PCB antenna. For PCB antennas, I suggest **CF-RA5005** UHF 5dBi Counter Antenna, also with circular polarization (120*120*6.5mm).
@@ Line 31: / Line 32: @@
 **CF-RA6005** UHF Narrow Angle Beam Antenna fits the gate width perfectly, but it is not waterproof.
-And two **CF661** integrated readers, with a read range 0-6 meters.
+And two **CF661** integrated readers, with a read range 0-6 meters. Prime reader and Fast reader are using the same SDK.