Description This RC receiver mainboard is designed for micro racing cars It is compatible with KOYSHO KO PROPO Mini Z ASF 2 4G transmitters and RF unit 901 902SM EX 1 EX 6 This mainboard integrated asf receiver brushed esc servo drive It also provides external ICS and GYRO connect It is ideal for any micro racing chassis solution Features 1 Integrated 2 4G ASF receiver brushed esc servo drive 2 Support external GRYO ICS setting and TikiTiki 3 Ultra response mode KO PROPO support4 Micro size 32mm x 20mm x 7mm 5 Ideal for any micro rc racing chassis6 Operating Voltage 3 5V5 5V Compatible Transmitter KYOSHO PERFEX KT 18KO PROPO RF 901 RF 902SMKO PROPO EX 1 ASFKYOSHO SYNCRO EX 6 Package Included 1 x 2 4G KYOSHO ASF Compatible Mainboard PCB