... range: 100m 19) Channel frequency: CH1=2,414; CH2=2,432; CH3=2,450; CH4=2,468 (Mhz)Features:1) Wireless camera: 380TV lines ... securityMonitor Specification: 1. 2.4GHz wireless recordable receiver, USB2.0 port.2. 2.414GHz, 2.432GHz, 2.450GHz and 2.468GHz 4 channel receiving ... second version, WINME, WIN2000, WINXP, compatible with PC, CPU: Pentium 1.2GHz or above, USB (universal serial bus) port, 128 ...