Customization: | Available |
---|---|
Battery Type: | Lithium-ion |
Certification: | CE, FCC, ISO, RoHS, FCC, CE |
Still deciding? Get samples of US$ 45/Piece
Order Sample
|
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
---|
Payment Methods: |
|
---|---|
Support payments in USD |
Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
---|
Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
DMR small and slim handheld business radio DR-330
The new-generation DMR walkie-talkie DR-330W/O from Kdwera combines new features with all the characteristics of advanced digital technology,adopting TDMA technology to achieve double call capacity at a permitted frequency. Low-nolse,cleer and loud voice,as well as confidental communication from advanced voice encoder technology, greaty improves working eficieney. It supports both digital and analog working modes.
This product is dvided Into following categorles:
1. DR-330 without LED dot matrixdisplay;
2. DR-330W/O with LED dot matix display.
Features:
1. Support direct-mode and two time-slot communieation and enable two groups of calls at onefrequency to double the working efficiency.Two sets of communication at one frequeney doubles the availability of frequengy resource.
2. Be with LED dot matrix display and programmable buttons.
3. The LED display can be used to set some eommon functions for easy operation and checking status. oLED dot matrix display shows chennel number,working mode and status icon, contributed to better user experience with clear and visible operation.
4. Support up to 4000 channels,meeting more eommunication demands (Total 16 zones,and 250 channels per zone).
5. Support menu operation on/off, preset by software,convenient fortask and application management.
Specification | ||
Model | DR-330 | |
Items | UHF | VHF |
FrequencyRange | 400-480MHZ; 350-390MHZ | 136-174MHZ; 245MHZ |
Channel Zone | 16 | |
Total Channel Capacity (512) | 4000 (250 Channels/Zone) | |
Antenna Impedance | 50Ω | |
Dimension (H x W x D) | 92 x 56 x 28mm | |
Weight (W/Battery) | 128G | |
Li-polBattery | 2000mAh | |
Rated Voltage | DC: 3.7V | |
Battery life: The average battery life under5/5/90duty cycle, and using carrier squelch and TX high power. 2200mAh Li-pol battery: Analog: 10.6 hours / Digital: 14.3 hours |
Receiver | ||
Frequency | 400-480MHZ; 350-390MHZ | 136-174MHZ; 245MHZ |
Channel Spacing | 12.5kHz /25kHZ | |
Frequency Stability (-20ºC,+60ºC,+25ºC) | + / - 1.5ppm | |
Analog Sensitivity (12 dB SINAD) | 0.3uV / 0.25uV | |
Digital Sensitivity (5% BER) | 0.25uV / 0.20uV | |
Intermediation | 65dB | |
Adjacent Channel Selectivity | [email protected] / 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 | |||
Frequency | 400-480MHZ; 350-390MHZ | 136-174MHZ; 245MHZ | |
Channel Spacing | 12.5kHz /25kHZ | ||
Frequency Stability (-20ºC,+60ºC,+25ºC) | + / - 1.5ppm | ||
Low Power | 0.5W | 0.8W | |
High Power | 2W | 2W | |
Modulation Restriction | ±[email protected] /±5kHz@25kHz | ||
FM Hum & Noise | -40dB @12.5kHz / -45dB @25kHz | ||
Conducted /Radiated Emission | -36dBm<1GHz / -30dBm>1GHz | ||
Adjacent Channel Selectivity | [email protected] / -65dB@25kHz | ||
Audio Response | +1,-3dB | ||
Audio Distortion | 3% | ||
FM Modulation | 12.5kHz: 11K0F3E ; 25kHz: 16K0F3E | ||
4FSK Digital Modulation | 12.5kHz Data: 7K60F1D & 7K60FXD ; 12.5kHz Audio: 7K60F1E & 7K60FXE ; 12.5kHz Data & Audio: 7K60F1W | ||
Digital Vocoder | AMBE+2 ™ | ||
Digital Agreement | ETSI-TS102 361-1, -2, -3 |
GPS(Optional) | |
Precisely and standard designed for a long-term positioning( 95% value>could find 5 satellites @ rated -130dBm signal strength | |
TTFF (time to first fix) cold start | < 1 min |
TTFF (time to first fix) warm start | < 10 s |
Horizontal Position Accuracy | < 10 ms |
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
------- 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
------- Delivery -------
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