... definition 100m transmission distance without block. camera kit, wireless camera kits, camera kit Name: 2.4GHz Wireless Mini Camera kit with remote controlModel: PST- ... .Audio monitoring with microphone in camera. Item.DataTransmission Frequency ISM 2,400 MHz~2,483 MHz 4CH Modulation Mode ... Intermediate Frequency 480MHz Frequency Stabilization ±100MHz 2.4GHz Wireless Camera kits with remote control