Baofeng 888S Two Way Radios Walkie Talkies Handheld Radios Long Range Security Radios(Pack of 2) The 888S walkie talkie is Two way radio. The walky talky has 16 Channel. The radio frequency is 400-470MHz. The walkie talkies is long range effective. The 2 way radio use 1500mAh Li-ion battery.