Model VR-1000 VR-1200 VR-1500
Frequency Range UHF 450 - 520MHz UHF 450 - 520MHz  UHF 450 - 520MHz
Channel Capacity 512 128 16
Channel Spacing 25kHz / 20kHz / 12.5kHz 25kHz / 20kHz / 12.5kHz 25kHz / 20kHz / 12.5kHz
Frequency Stability Row 4 Col 2 Row 4 Col 3 Row 4 Col 4
Operating Temperature -25 ~ 55"C -25 ~ 60"C -25 ~ 55"C
Antenna Impedance 50ohm 50ohm 50ohm
Operating Voltage 13.8v     7.4v 7.4v
Dimensions 172 x 151 x 40mm 100 x 61 x 39mm 123 x 62 x 38mm
Weight     1000g 245g 300g
Battery N/A 1800mAh 2100mAh