DJ-MD5 Transceiver

Specifications:

Frequency range:	136-174MHz / 400-480MHz
ChanneICapacity:	4000ch
Channel Spacing:	Analog : 12.5/25kHz Digital : 12.5kHz
Zones per Radio:	250 zone (MAX 250ch/zone)
Operating Voltage:	7.4V DC nomina
Antenna Impedance:	50Ω
Frequency Stability:	±2.5ppm
Operating Temperature	-20℃ to +55℃ (-4 ℉ to +131 ℉ )
Dimensions:	59x118x40 mm (2.32x4.65x1.57 inches)
Weight:	256g /9.03 ounces

You can view the full features in the PDF file.