Cleartop technology  is scientific and technological enterprise Specialize in wireless communication , wireless data  transceiver module .The main products are as follows, wireless data  transceiver module, logistics information machine, wireless LED , GSM message data  transceiver module , GPRS data transmission ,  controller by pager, wireless person who call out the stops automatically, remote control light controller ,etc. omni-directional to use product while being wireless. Our company has a batch of professional , steady , high-quality research and development teams , follow the trend of the wireless field closely, offer the products of high quality and at a reasonable price and wireless solution to the masses of users

LED display control card:

control area: double color:2048¡Á32 or 1024¡Á64 or 512¡Á128

Scanning field frequency: 300 

Total storage: 8-M 

Support to 1 / 16 scan, 1 / 8 scan, 1 / 4 scanning, 1 / 2 scanning and passive mode 

Gray Level: 256 brightness levels: 16