... 1.CTCSS 38 2.Power-save 3.LCD Display 4.Built-in Li-polymer 5.Mini Size Convenience To Talk Product Info. ... NF-729Main features:1,Frequency :400-470MHz2, Mini Size convenience to talk3, Built-in Polymer 4, CTCSS 50 ... 835, PC Programmbale6, Power save7, Wide/Narrow bandwidth8, LCD display 9, Low battey alarm TECHNICAL INFORMATIONFrequency rangeUHF400MHz--470MHzVoltage3.7VChannel100Channel ...