This is original baofeng UV-5RB Special version dual band radio.
The transcevier is a micro-miniature multiband FM transceiver with extensive receive frequency coverage, providing local-area two-way amateur communications along with unmatched monitoring capability.

Features:
Frequency Range: 136-174 / 400-520MHz
Dual-Band Display, Dual Freq. Display, Dual-Standby
Output Power: 4 /1Watts
128 Channels
50 CTCSS and 104 CDCSS
Built-in VOX Function
1750Hz Brust Tone
FM Radio (65.0MHz-108.0MHz)
LED Flashlight
Large LCD Display
Hight /Low RF Power Switchable
25KHz/12.5KHz Switchable
Emergency Alert
Low Battery Alert
Battery Saver
Time-out Timer
Keypad Lock
Monitor Channel
Channel Step: 2.5/5/6.25/10/12.5/25KHz


General Specifications:
Frequency Range 65-108MHz(FM Receive only)
136-174MHZ and 400-520HZ (TX/RX)
Channel No. 128
Frequency Stability ±2.5ppm
Antenna High gain DualBand antenna
Antenna Impedance 50Ω
Operating Voltage DC 7.4V
Mode of operation Simple or semi-duplex
Dimension（W x H x D） 100 x 52 x 32 mm
Weight 250g（including battery, antenna

Transmitter：
Output power 4W / 1W (Max 5W)
Modulation Mode 16kΦF3E / 11kΦF3E
Maximum deviation ＜5kHz(Wide) / ＜2.5kHz(Narrow)
Spurious Radiation ＜7μW
Adjacent Ch. power <=-65dB(Wide) / <= -60dB(Narrow)
Pre-emphasis characteristics 6dB
Current <=1.6A(5W)
CTCSS/DCS deviation 0.5±0.1kHz(Wide) / 0.3±0.1kHz(Narrow)
Intermediation sensitivity 8-12mv
Intermediation distortion ＜10%

- - - - - - - - - - - - - - - -
Package Contains:
1 x UV-5RB Walkie Talkie
1 x 7.4V 1800mAh Battery Pack
1 x Antenna
1 x Belt Clip
1 x Charger
1 x Earpiece
1 x User Manual
- - - - - - - - - - - - - - - -