Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication

Product Details
Customization: Available
Certification: FCC, CE
Communication Distance: <8km
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Plant Area
12000 square meters
Export Year
2022-05-20
  • Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication
  • Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication
  • Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication
  • Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication
  • Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication
  • Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication
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  • Overview
  • Hightlight
  • Product Description
  • Our Advantages
  • Company Profile
  • Certifications
  • After Sales Service
  • FAQ
Overview

Basic Info.

Model NO.
DR-877
Display Type
LCD Display
Frequency Range
136-174MHz 400-470MHz
USB Type C Charger
Yes
Talk Range
5-10km
Output Power
5W
Product Name
Two Way Radio
Channel Scan
Yes
Dimensions
100*54*35mm
Battery Capacity
1700mAh
Walkie Talkie Type
Digital Mobile Radio
Rated Voltage
DC:3.7V
Name
Walkietalkie
Storage Channel
4000
Water Resistance Level
Ipx4
OEM ODM
Yes
Bluetooth
Optional
Call Type
Mixed
Type
Handheld
Signal Type
Digital
Display
LCD Screen
Transport Package
Gift Packing or Customized
Specification
100*54*35mm
Trademark
kydera
Origin
Fujian, China
HS Code
8517142000
Production Capacity
35000 Piece/Pieces Per Month

Packaging & Delivery

Package Size
33.00cm * 27.00cm * 39.00cm
Package Gross Weight
10.000kg
Lead Time
15 days (1 - 10 Pieces)
To be negotiated ( > 10 Pieces)

Product Description

Kdwera 5W  DMR two way radio DR-877 
 4000 Channels 90hours records  transmitter time and Bluetooth optional

Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication
 

Hightlight

TDMA 2-time slot technology
Provide 2-slot communication which allows for 2 talk paths on one frequency at a same time without interfere with each other.It can double the utilization of frequency resources.

Recording function
Keep a detailed record of each call for some key situations, the content of each call is extremely important. For example, clear accountability communication, important event/activity review etc, recordings can be wonderful and important material.

4000 editable channel capacity
4000 channels can be allocated and used according to the demand. A large number of channels are convenient for many members to use the number of channels freely, which makes the communication of he whole intercom system more convenient and fast.

Repeater Roaming
The radio can automatically roam among all sites in the network and always stays connected. This delivers more efficiency and flexibility to your radio communications.

Superior Audio Quality
The radio equips an optimized powerful loudspeaker that can help users to hear clear sounds even in a noisy environment. Water-porting technology is also used to drain out any water that gets into the speaker cavity, ensuring the audio clarity is maintained. AI-based noise cancellation technology can decrease 30dB background noise and howling. No matter what noise environment the calling party is in, it ensures that the called party hears a clear sound.

Personnel Safety
Our intrinsically safe radio comes with features like Rescue Mode, Lone Worker and Emergency Alarm, to keep your staff safe and sound. Safety comes first!

Information Security
The ARC4 and AES256 encryption technologies keep your communications safe and private, optimizing your information security.

VFO mode
Radio support VFO manual programming to cater for some urgent communications. The frequency and parameter configuration of the A/B bands can be input independently through the keyboard of the speaker microphone.

Built in Bluetooth and  APRS GPS (Optional)
To cater different demands of users, radio can be customized to be built-in the Bluetooth and GPS function.


Basic functions: 
·Private Call
·Group Call
·All Call
·Scan
·Kill
·Revive
·Battery Save Mode
·One-touch Call
·Remote Monitor

·Call Alert
·Records for 200 hours
·Prompt Tone On/Off
·Low Power Voice/lcon Prompt
·Support Voice Prompt for Channel Switching or Function-Option
·Two Programmable Buttons for long pressing are available on the side.

Product Description

 

Items UHF VHF
Frequency 400-480MHz 136-174MHz
Channel Zone 16
Channel Capacity 4000 (250 Channels/Zone)
Antenna impedance 50Ω
Dimension(H*W*D) 100x54x35mm
Weight(W/battery) 230g
Li-pol battery 2000mAh
Rated Voltage DC:7.4V
Battery:
The average battery life under 5/5/90 duty cycle, and using carrier squelch and
TX high power
2000mAH li-pol battery Analogue:9.6hours/Digital:13.7hours

Note:The battery working life may have little difference.

Battery capacity maybe change without notice,but the list is standard specification.


Receiver

Items UHF VHF
Frequency 400-480MHz 136-174MHz
Channel Spacing 12.5kHz/25kHz
Frequency stability
(-20ºC,+60ºC,+25ºC)
+/-.5ppm
Analogue sensitivity 0.3μV/0.25μV
Digital sensitivity(5% BER) 0.25μV/0.2μV
Intermodulation 65dB
Adjacent channel selectivity [email protected]/65dB@25kHz
Spurious rejection 65dB
Rated audio 500mw
Audio distortion @rated audio 3%
FM hum &noise [email protected]/-45dB@25kHz
Audio response +1,-3dB
Conducted/radiated emission -57dBm

Transmitter

Items UHF VHF
Frequency 400-480MHz 136-174MHz
Channel Spacing 12.5kHz/25kHz
Frequency stability
(-30ºC,+60ºC,+25ºC)
+/-0.5ppm
Low Power 1W 2W
High power 4.5W 5W
Modulation restriction ±[email protected]/±5.0dB@25kHz
FM hum& noise [email protected]/-45dB@25kHz
Conducted/radiated emission -36dBm1GHz
Adjacent channel selectivity [email protected]/-65dB@25kHz
Audio Response +1,-3dB
Audio Distortion 3%
FM modulation 12.5kHz:11KOF3E
25kHz:16KOF3E
4FSK digital modulation 12.5kHz data: 7K60F1D and 7K60FXD
12.5kHz audio: 7K60F1E and 7K60FXE
12.5kHz data and audio: 7K60F1W
Digital vocoder AMBE+2TM
Digital agreement ETSI-TS102 361-1,-2,-3

Our Advantages

 Single Frequency Repeater
Can  work with our single frequency repeaters such as E-mesh86UV to extend communication distance. 

U-PoC dispatching system 
Can support our U-POC dispathing system. Co-work with our dispaching radio (such as  LTE-CDR700UV  or LTE-DR880UV), if the radio built in GPS and activated, then can be tracked and positioned via our dispatching system .

Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication

Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication

Company Profile

Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication

Kdwera Introduction

Kdwera is a professional walkie-talkie manufacturer and high-tech enterprise for wireless communication in southern China. Our company have awarded kinds of national honors and international certificates since 1988 established. We have approximately 15000 product area, and own FIVE JUKI SMT lines. Thus we can release 35,000 two-way radios every month.

We have an engineering team with more than 20 years of experience on walkie-talkie. Every radio is designed by ourselves,  so we can provide fully technical supports. And welcome OEM and ODM service. 

We use state-of-the-art machines for R&D such as signal generators, HP network analyzers, RF testing machines and more. We have our own molding factory to offer customized samples for you. By now we have about 30 models for your selections.

Our QC
Our QC team consists of over 15 members with fifteen years of experience on average. They carry out strict tests at every step. Every walkie-talkie tested and Write frequency before packed. We offer a one-year warranty for our products. 
We have High-temperature tester, Low-temperature tester, drop tester, long-term battery life monitoring room, vibration tester, high-end digital test instrument etc. 


Our Service
Timely response to customer's enquiry
Technology Communication
Guarantee after-sales service

Certifications

Kdwera Dmr Digital Business Radio LCD Display VHF UHF Transceiver Wireless Communication
 

After Sales Service


Warranty

Provides a 12-months warranty service for system products delivered by Kdwera, Spare parts for 6 months
 
Technical Support

We provide support services such as configuration, programming, etc. online (email, live chat, remote, etc.) or on-site

FAQ

1. Q: Are you a manufacturer?
A: Kdwera owning a 15,000 square meters manufacturing base, more than 20 R&D engineers and 100 manufacturing workers, we are among the top manufacturers and designers in China mainland for two-way radios and systems.

2. Q: What is MOQ (Minimum order quantity)
A: 2 pcs for sample test first is recommended. The price policy sets MOQ for bulk order based on cooperation relationship with us as a distributor, dealer or premium dealer, or OEM cooperation. Please contact us for details.

3. Q: Do you accept customized?
A: Rebranding is acceptable and OEM&ODM is welcomed.

4. Q: Could you offer free sample to test?
A: Sample will be charged firstly, but will be refunded to you when you put bulk order on us.

5. Q: What is your lead-time for order?
A: 5-7 days for sample, 30-35days for bulk order, depends on the quantity for new inquiries. We do forecast for long-term business relationship partners.

6. Q: When can I find tracking information of sample?
A: We will send you the tracking number of sample within 2 days after delivery.

7. Q: How do you ensure your quality?
A: The product is designed and produced with good material in the industry. The company is ISO 9000:2008 certified and we make 100% OQC before delivery. Both above reasons ensure low defective rate for our products. We set warranty policy for products and accessories. Please contact us immediately if some unpredictable defectives happen. Thanks

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