Specifications:
General
Frequency Range
VHF:136-174MHz, UHF:400-470MHz (Dual Band)
Memory Channel
1024
Operating Voltage
DC 7.4V
Frequency stability
±1.0ppm
Demission
133*62*32mm (no including the antenna)
Operating environment
-30℃-+60℃
Weight
Approach.274g(including the battery and antenna)
Transmitter
Output power
High:5W Low:1W
Adjacent channel power
≤65dB ≤60dB
Output consumption
Analog≤1.6A Digital≤0.9A
Audio response
+1~3dB
Standby current consumption
≤0.18A
Digital Protocol
ETSI-TS102 361-1,-2,-3
Modulation distortion
≤5%
Vocoder type
AMBE+2 TM
FM/FM modulation:
16K￠F3E,25KHz 141K￠F3E,20KHz 11K￠F3E,12.5KHz
4FSK/4FSK digital modulation
12.5KHz for data:7K60FXD 12.5KHz for data and voice:7K60FXE
Signal-to-noise(wide/narrow)
≥45dB,25KHz  ≥40dB,12.5KHz
Antenna Port Spurious
9KHz-1GHz  ≤-36dBm  1GHz-12.75GHz:  ≤-30dBm
Receiver
Analog receive sensitivity
-122dBm (12dB SINAD)
Digital receive sensitivity
-122dBm (BER≤5%)
Audio power
1W
Audio distortion
<10%
Signal imitation
≥70dB
Audio response
+1~3dB
Receive current
≤380mA
Intermediation(wide/narrow)
≥62dB/≥58dB
Adjacent channel selectivity
≥65dB/≥60dB
PM noise
≥45dB,25KHz / ≥40dB,12.5KHz
Package Contain:
1× BAOFENG DR-1801
1× 2200mAh Li-ion Battery Pack
1× Charger Unit with AC Adapter
1× Antenna 
1× Hand Strap
1× Belt Clip 
1× Earpiece 
1× User Manual