| Customization: | Available |
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| Battery Type: | Lithium-ion |
| Certification: | ISO, RoHS |
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2024 Last design VHF UHF handheld digital radio wireless 2-way communications radio DR-550UV with AES256 Bluetooth
DR-550UV is a new arrival of 2024 year, a cost-effective radio, but rugged design and goes with 2000mA battery. Built in AI-based noise cancellation to ensure its crystal sound quality even in noise enviroment. Strong bluetooth compatibility to free your hands. GPS function enrish your versatile usage.
Main Features:
· 4000 channels
· Super long standby time
· Color LCD display
· A/B Switch
· definable keypad
· CTCSS/DCS
· Priority scan
· Language options
· FM radio
· 1W Volume Control
· 2000mAh high capacity li-pol battery
· Power alert
. 30,000 contacts
. GPS (Optional )
. Bluetooth (Optional)
| 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 |
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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 | 60dB@12.5kHz/65dB@25kHz | |
| Spurious rejection | 65dB | |
| Rated audio | 500mw | |
| Audio distortion @rated audio | 3% | |
| FM hum &noise | -40dB@12.5kHz/-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 | ±2.5dB@12.5kHz/±5.0dB@25kHz | |
| FM hum& noise | -40dB@12.5kHz/-45dB@25kHz | |
| Conducted/radiated emission | -36dBm1GHz | |
| Adjacent channel selectivity | -60dB@12.5kHz/-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 |
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| Digital vocoder | AMBE+2TM | |
| Digital agreement | ETSI-TS102 361-1,-2,-3 | |
Highlight:
1.True-2-slot
2. Support both digital and analog modes.
3. To adopt the TFT color display, convenient operation.
4. Be with TFT color display interface and visible icon display.
5. Support up to 4000 channels.
6. Support to modify and set the frequency via keypad.
7. Using 2000mAh polymer lithium battery.
8. Repeater roaming
9. Built-in AI-based noise cancellation/reduction
10. Information Security
The ARC4 and AES256 encryption technologies keep your communications safe and private, optimizing your information security.
11. VFO mode
Radio support VFO manual programming to cater for some urgent communications.
12. 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.
13. Built-in dual-mode Bluetooth: ( Optiononal)
Support Bluetooth 5.0, can work with most of bluetooth earset on market, and better for secrete communica
Kdwera company introduction
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
U-PoC dispatching system .
LTE-CDR700UV supports tracking the DMR radios location and shows on U-PoC dispatching system. SFR communication network
FREQUENTLY ASKED QUESTIONS:
1.Q: What frequency can you provide?
A: About DMR radios, we can provide VHF (136-174mhz) or UHF (400-480mhz), kindly tell us what frequency do you want to test when you send us your inquiry, thanks.
2.Q: When can you ship the products after payment?
A: Usually for sample order we will arrange shipping about 10-15 days after confirm your payment.
3.Q: Do you accept PayPal?
A: We are sorry that for sample order, we just accept T/T or Western Union, sorry bring the inconvenience to you.
4.Q: When can I find tracking information on Internet?
A: Usually, we will send tracking number to you in 2days after delivery, then you can find the information through DHL website.
5.Q:How much the shipping cost for sample order?
A:Kindly tell us your quantity & post code.
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
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