Many users are asking what is the reading distance of cottonwood, the UHF RFID reader module. Actually, cottonwood is just a reader module without antenna. The reading distance really depends on the antenna that we are going to use with the antenna.
Right now, there are three types of antenna that can be used with Cottonwood:
When we use this type of antenna, the effective reading distance we obtained is around 0.5 meter to 1 meter.
When we use this type of antenna, the reading distance is around 3-4 meters.
When we use this type of antenna, the reading distance is around 4 meters to 5 meters.