DR550/FR450 UHF:400-470MHz 25W 9 Channel Professional Digital Repeater Duplex
100% continuous duty cycle
Integrated heat sink and back panel fan provides the good design for 100% continuous duty cycle at 25W output.
Smart detection analog and digital signal
Mix mode in program software realizes the smart detection of analog and digital signals in single channel.
rack mount size
mount professional design, with two handles, leave enough internal space for duplexer, possible for desktop or wall mount installation.
9 Memory channels
Channels button and LED monitor design in front-panel offer you the clear indication of 9 memory channels and easy switch operation between different channels.
QT/DQT with multi-decode
The DR550 decodes 5 QT/DQT groups in one single channel. This function is useful for sharing a channel with multiple groups.
Bright, clear LED indicate
Up to 8 LED lights integrated in front-panel. It is useful to check the status of operation mode including analog/digital, power level, over temperature status.
Automatic voltage and temperature protection
When the operate voltage, temperature, voltage standing wave ratio exceed the pre-set value, it switches to low power or power off automatically.
Improved audio quality
Kirisun Digitalky ensures the improved audio quality and larger coverage under noisy environment comparing to traditional analog.
13.6V DC ±20% AC 100—250V 50/60Hz
RF Power Output
±2.5KHz 12.5KHz, ±5KHz 25KHz
Radiated Spurious Emission
–36dBm < 1GHz –30dBm > 1GHz
45dB 25KHz 40dB 12.5KHz
0.35uV/-116dBm(12 dB SINAD) 0.22uV/-120dBm(Type)
Adjacent channel Selectivity ETSI:
60dB 12.5KHz 75dB 20/25KHz
Spurious Response Rejection
Rated Audio Output
45dB 25KHz 40dB 12.5KHz
Rated Audio Distortion
Packaging & Shipping
1-5 business days for sample order 5-10 business days for medium order 10-15 business days for OEM order
Delivery can be Express:DHL,UPS, FedEx, EMS, TNT; shipping logistic etc & post office for samples
1. OEM & ODM serivice offered 2. Sample's fee can be refund after order reached 1000 sets.
3. Before delivery , we will check the items' quality strictly one by one . 4. 12 months for radio body & 6month for accessories warranty, please contact us immediately when you get defective,thanks.
5. Payment(shown on home page to customer anti cheater ): T/T, Western Union, escrow below US$1000 accept Paypal payment term (please do NOT believe anybody by Email say Our bank changed, thank you)
Shenzhen ZASTONE Technology Co., Ltd. is located in Huaqiang North of Shenzhen City, which was founded in March 2004, With Supply competitive price Best quality two way radio products we established good business relationship with customers all over the world. We are glad cooperate with you, please contact Us freely to get more Information,Thank you.
1. Q: What is MOQ(mini Order Quantity)? A: In general, it is 100pcs. According situation, it is negotiable.you can also place sample order on our aliexpress. Support Sample Order,welcome to place Sample Order on aliexpress or make dropshipping http://www.aliexpress.com/store/702854
2. Q: do you accept Customized? A: yes,we did produce as customer requirement for Chile Russian Business Partner,OEM & ODM are welcomed.
3. Q: Could you offer free sample to test? A: Yes, sure. For regular VIP agency we offer free sample when New Products Launch,for New customer you pay the sample fee first when your Order reach required amount we minus the sample Cost for you.