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BaoFeng Radio DM-X/DM-1702B / Characteristic function
25kHz/12.5kHz conversion
The user can through computer programming software to set each channel bandwidth is 25kHz or 12.5kHz, and can switch over between different bandwidths, which can avoid re purchase.
CTCSS / CDCSS
The unique CTCSS /CDCSS encoding & decoding function can avoid listening to the same channel on the irrelevant call.
Chinese and English voice broadcast channel, functional operation and charging tips
Designed for the dim light of the environment design, walkie talkie in the user's operation, can issue a variety of sound prompt operation state, can accurately issue channel broadcast in English and Chinese prompts, voice prompt power status. Support Chinese and English language.
Emergency alarm
When the user is in an emergency or unexpected situation, press the alarm button will immediately alert the intercom. In addition, it can also send out the identity code or background tone to inform the peer support.
voice control
Automatic control of sound transmission function, can be carried out by launching the operation, without the need to manually press the PTT key launch.
Launch timing function
This function is to prevent any caller occupied the channel time is too long, the timer to limit the number of times each time to launch the walkie talkie, limiting the user timeout launch.
Busy channel lock
This machine can store up to 16 channels. The rotating channel switch selects the channel, counter clockwise to decrease the value of the channel, and rotates clockwise to increase the channel value. If the rotation to the empty channel without any information, a "beep" sound space frequency tone alert.
Automatic power saving function
When the channel is idle or does not carry out any operation (12 seconds), the battery energy saving function is automatically turned on, and the walkie talkie starts to switch the receiving circuit alternately at a certain time, which has achieved the purpose of automatic power saving and energy saving. The time ratio of the switch circuit can be set by programming software.
computer programming
The data can be connected with the computer through the data line to the interphone frequency data, the function parameter and the signal and so on carries on the programming.
Intelligent design
Dot matrix LCD screen with Chinese and English voice prompts, friendly interface, more convenient to control and select the function
Large capacity channel storage
Up to 128 memory channels are available for programming frequency and various other data
Rich signaling
Each channel can set different CTCSS / DCS, DTMF signaling, reject redundant calls from other stations
The tail is eliminated
Tail to eliminate, to avoid the end of the call after the impact of noise emitted by the speaker, to avoid the user by the impact of noise
VOX voice transmission
Voice-activated transmission function (VOX), allowing users to liberate their hands, without pressing the PTT button to normal call
Full manual operation
Menu item keyboard digital direct election function, the transmission and reception frequency can be input directly
High / low power switch
Users can set the channel power through the computer programming software for high power or low power, or manually switch the high and low functions, according to the actual use of the environment and distance requirements, select a reasonable power, effectively save power.
Distant halo away
(If necessary) to open the remote halo, remote death function, easy management of the radio equipment, until the device is only receiving or prohibiting the receiving launch.
GPS positioning function
Positioning and navigating in real time on a global scale using GPS positioning satellites.
BaoFeng Radio DM-X/DM-1702B / Conventional parameter

General specification

frequency range  VHF136-174MHz   UHF:400-480MHz
channel capacity 4000
Channel spacing 25.0kHz / 12.5kHz
Frequency stability ±1.5ppm
working temperature -20℃ ~ +55℃
Antenna impedance 50Ω
working voltage 7.4V
Dimensions (L * w * h) 125×61×36mmmm
Weight (with battery and antenna) 282g
Battery 2000mAh (Lithium ion battery)

Acceptance specification

Receiving sensitivity 0.15μV / 0.18μV
Adjacent channel selectivity 65dB / 55dB
Intermodulation Rejection 55dB
Spurious Response ≥60dB
Signal to noise ratio 40dB / 35dB
Rated audio output power ≥600mW
Rated audio distortion ≤5%

Launch specifications

Transmitting power ≤5W
modulation mode 16KΦF3E / 8KΦF3E
Modulation limit ≤5kHz / ±2.5kHz
FM distortion ≤5%
residual FM -45dB / -35dB
Adjacent channel power -65dB / -55dB
Stray and harmonic ≤-36dBm
BaoFeng Radio DM-X/DM-1702B / Accessories list
Standard
antenna Lithium ion battery The power adapter USB intelligent charger Belt clip
Matching
Headset Hand microphone Programming line