Kdwera Dmr Dual Band Radio Cost Effective VHF UHF Digital Transceiver

• Customization: Available
• Battery Type: Lithium-ion
• Certification: CE, FCC
• Model NO.: DR-550UV
• Communication Distance: <8km
• Display Type: LCD Display
• Encryption: AES Encryption
• Features: Bluetooth Connectivity, Emergency Alarm, Encrypted Communication, GPS Positioning, Noise Suppression
• IP Rating: IP54
• Frequency Range: VHF(136-174MHz) and UHF(400-480MHz)
• LCD Display: Yes
• Bluetooth: Supports
• Warranty: 1 Year
• Talk Range: 5-10km
• Dimensions: 110*56*35mm
• GPS: Supports
• Ai Noise-Canceling: Yes
• Weight: 225g
• Storage Channel: 4000
• Battery Pack: 2200mAh
• OEM: Yes
• Battery: 2000mA
• Scan: Support
• Waterproof: IP54
• Transport Package: Gift Box or Netual Box
• Specification: 115*54*35mm
• Trademark: KDWERA
• Origin: Fujian, China
• HS Code: 8517142000
• Production Capacity: 15000 Piece/Pieces Per Month
• Package Size: 33.00cm * 27.00cm * 39.00cm
• Package Gross Weight: 10.000kg
• Lead Time: 15 days (1 - 100 pieces) ; To be negotiated ( > 100 pieces)

Product Description

Kdwera Brand new DMR dual band radio DR-550UV
VHF + UHF & Digital+analogue modes 

Product Parameters

General specification

Items	UHF	VHF
Frequency	400-480MHz	136-174MHz
Channel Zone	16
Channel Capacity	4000(250 Channels/Zone)
Antenna impedance	50Ω
Dimension(H*W*D)	115x54x35mm
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: 10.4hours /Digital: 14.5hours

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)	+/-0.5ppm
Analogue sensitivity	0.18μV
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 77K60FXE 12.5kHz data and audio: 7K60F1W
Digital vocoder	AMBE+2TM
Digital agreement	ETSI-TS102 361-1,-2,-3

Main Fratures:
.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 forChannel Switching or Function-Option

.Two Programmable Buttons for longpressing are available on the side.
 

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
 
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.

Contacts
The radio has 2000 contacts, 30,000 ham contacts, 20,000 digital talking group

Digital RX group
 250 list, up to 25,000 members

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.

Built-in dual-mode Bluetooth: ( Options: Bluetooth PTT+ Bluetooth headset)
Support Bluetooth 5.0, can work with most of bluetooth earset on market, and better for secrete communication.    

Built-in APRS GPS, support U-PoC dispatching system 
Support APRS GPS, can work with our U-poc dispathing system to track and position the radio. 

Our Advantages

U-PoC dispatching system . 

LTE-CDR700UV supports  tracking the DMR radios location and shows on U-PoC dispatching system. 

 

SFR network communication 

 

Company Information

Xiamen Kdwera Electronics Technology Co., Ltd. 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

Packaging & Shipping

PAYMENT TERM:

We accept bank wire Transfer (T/T), Western Union or L/C.

Sample order: T/T or Western Union

Mass production: T/T. 30% deposit, the balance should be paid before delivery.

DELIVERY:

Mass production lead time: 15-25 working days upon receipt of 30% deposit.

Sample lead time: About 15 days after confirm payment.

Usually delivery by DHL, it will take about 5-7working days to arrived at your side.

Packing:

By carton.

FAQ

 

1. who are we?
We are based in Fujian, China, start from 2000,sell to Eastern Asia(20.00%),Southeast Asia(17.00%),North America(15.00%),Eastern Europe(15.00%),Northern Europe(14.00%),Western Europe(10.00%),South Asia(3.00%),Domestic Market(2.00%),South America(00.00%),Africa(00.00%),Oceania(00.00%),Southern Europe(00.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Two Way Radio,Walkie Talkie,Mobile Radio,Repeater

4. why should you buy from us not from other suppliers?
We have been a professional two way radio manufactuer being producing, developing & marketing! 80% of our business in past are OEM/ODM! We have professional products and service team, and are ready for service any time!

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Escrow;
Language Spoken:English,Chinese
 

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