One free and useful Frequency / Channel Calculator for RF Engineer.Frequency and Channel can be easily converted via RFrequency.Now RFrequency supports:* Cellular: LTE,WCDMA,TD-SCDMA,GSM,CDMA,D-AMPS* WLAN: 802.11a/b/g/h/j/n,Bluetooth* Audio/Video: DVB-T, North America Broadcast TV,Cable TVThank you for your downloading.