MMDVM Duplex Hotspot Module UHF/VHF Dual Timing Supports Dual Antennas Duplex Variant Of MMDVM_HS_Hat
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<span style="font-size:16px;"><div>Duplex version MMDVM_HS_Hat<br />This PCB uses MMDVM_HS. It integrates two ADF7021 chips and supports dual-slot duplex operation in DMR mode.<br />The default bit error rate is less than 5% and the default frequency deviation is 0. If the bit error rate is higher than 5%, it can be corrected by adjusting the frequency deviation as long as the signal can be received.<br />Fully tested. Supports DMR, P-25, D-Star and System Fusion (Fusion) protocols. Onboard LED indicators show status (Tx, Rx, PTT button, Mode). RF output power up to 10mW. SMA antenna interface, antenna included. Mounts neatly on all current models of for Raspberry Pi (for Raspberry Pi), including Pi Zero<br /><br />Firmware is preloaded and can be easily updated via software<br />Frequency range:<br />UHF: 430-450 MHz, 433 MHz and 900 MHz<br />VHF: 144 MHz, 220 MHz operating frequencies<br />Architecture<br />The top SMA interface is the TX (transmit) port.<br />The bottom SMA interface is the RX (receive) antenna port.<br />Support UHF + VHF bands<br />SMA antenna interface (antenna included)<br />Modem selection: STM32_HS_GPIO<br />Core advantages<br />✅ Supports independent dual timing of UHF and VHF bands<br />✅ Signals can be sent and received simultaneously in full-duplex mode<br /> Supports mobile power supply, worry-free outdoor operation<br />Flagship technical<br />Independent 2U+2V antenna interface (a total of 4 SMA ports) to ensure zero signal interference<br />✨ Dual-screen compatible design<br />Adaptable to 0.96-inch OLED screen and Nextion LCD screen<br />Dual-color indicator light displays the working status in real time<br />Application scenarios<br /> Applicable to:<br />DMR/C4FM/D-STAR and other digital intercom systems<br />Mobile emergency communication base station<br />Cross-band repeater station integration solution<br />Package Details:<br />1 * Duplex MMDVM Digital Hotspot Board<br />1 * Case<br />1 * 16G Card<br />Color: As Shown<br />Material: PCB+Metal<br /><br />Package Contents:<br />1 * MMDVM duplex HotSPOT Module set<br /><br />Only the above package content, other products are not included.<br />Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.</div></span>
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<span style="font-size:16.0px;">We provide the good product with the best price,we support Wholesale/Drop Shipping Order</span>
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<span style="font-size:16.0px;">1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it. </span>
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<span style="font-size:16.0px;">2. For Wholesale/Drop Shipping
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us in advance,we will give you the best service to satisfy your demands.</span>
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<span style="font-size:16.0px;">1.We will send out the orders
ASAP within 2-5 days(except weekends and national holidays) once your
payment is completed normally.</span>
</p>
<p>
<span style="font-size:16.0px;">2.Please write your complete
delivery address with correct phone number and zip code, especially
Russia and Belarus buyers, please confirm your full name. </span>
</p>
<p>
<span style="font-size:16.0px;">3.Please notice that we will not responsible for customs duties.Please do the customs clearance by yourself.</span>
</p>
<p>
<span style="font-size:16.0px;">4.We provide both post
shipping and express shippings.For most countries, post shipping takes
about 25-35 business days, and longer for some countries like Brazil,
Peru.</span>
</p>
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<span style="font-size:16.0px;">Express shipping inlcude DHL, EMS,
AliExpress Premium Shipping and Special Lines like Aramex. It takes
about 7 days.(It will delay if your country meet some problem,Worker
strike,weather problem and so on.)</span>
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<span style="font-size:16px;background-color:#999999;color:#FFFFFF;"><strong><span style="background-color:#999999;color:#FFFFFF;">About After-sale Service</span></strong></span>
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<span style="font-size:16px;background-color:#999999;color:#FFFFFF;"><strong><span style="background-color:#999999;color:#FFFFFF;">About Feedback</span></strong></span>
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<span style="font-size:16.0px;">1. Please check the package and item when you get carefully to make sure there is no problem. </span>
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<span style="font-size:16.0px;">2. If you have any problem or are
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$219.35
$119.375
- Category : Home Improvement
- Brand : nereus_777_store Nereus 777 Store
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<div style="width:100%;height:100%;">
<div id="description">
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<p>
<span style="font-size:16px;"><span style="font-size:16px;background-color:#000000;color:#FFFFFF;"><strong></strong></span></span>
</p>
<p>
<br />
</p>
<p>
<span style="font-size:16px;color:#666666;background-color:#FFFFFF;"><strong>Support Dropshipping and Wholesaling.</strong></span>
</p>
<p>
<br />
</p>
<p>
<br />
</p>
<p>
<span style="font-size:16px;"><div>Duplex version MMDVM_HS_Hat<br />This PCB uses MMDVM_HS. It integrates two ADF7021 chips and supports dual-slot duplex operation in DMR mode.<br />The default bit error rate is less than 5% and the default frequency deviation is 0. If the bit error rate is higher than 5%, it can be corrected by adjusting the frequency deviation as long as the signal can be received.<br />Fully tested. Supports DMR, P-25, D-Star and System Fusion (Fusion) protocols. Onboard LED indicators show status (Tx, Rx, PTT button, Mode). RF output power up to 10mW. SMA antenna interface, antenna included. Mounts neatly on all current models of for Raspberry Pi (for Raspberry Pi), including Pi Zero<br /><br />Firmware is preloaded and can be easily updated via software<br />Frequency range:<br />UHF: 430-450 MHz, 433 MHz and 900 MHz<br />VHF: 144 MHz, 220 MHz operating frequencies<br />Architecture<br />The top SMA interface is the TX (transmit) port.<br />The bottom SMA interface is the RX (receive) antenna port.<br />Support UHF + VHF bands<br />SMA antenna interface (antenna included)<br />Modem selection: STM32_HS_GPIO<br />Core advantages<br />✅ Supports independent dual timing of UHF and VHF bands<br />✅ Signals can be sent and received simultaneously in full-duplex mode<br /> Supports mobile power supply, worry-free outdoor operation<br />Flagship technical<br />Independent 2U+2V antenna interface (a total of 4 SMA ports) to ensure zero signal interference<br />✨ Dual-screen compatible design<br />Adaptable to 0.96-inch OLED screen and Nextion LCD screen<br />Dual-color indicator light displays the working status in real time<br />Application scenarios<br /> Applicable to:<br />DMR/C4FM/D-STAR and other digital intercom systems<br />Mobile emergency communication base station<br />Cross-band repeater station integration solution<br />Package Details:<br />1 * Duplex MMDVM Digital Hotspot Board<br />1 * Case<br />1 * 16G Card<br />Color: As Shown<br />Material: PCB+Metal<br /><br />Package Contents:<br />1 * MMDVM duplex HotSPOT Module set<br /><br />Only the above package content, other products are not included.<br />Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.</div></span>
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<br />
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<span style="font-size:16px;background-color:#000000;color:#FFFFFF;"><strong></strong></span>
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<p>
<br />
</p>
<p>
</p>
<p>
<span style="color:#FFFFFF;background-color:#999999;"><span style="font-size:16px;background-color:#999999;color:#FFFFFF;"><span style="background-color:#999999;color:#FFFFFF;"><strong>About Us</strong></span></span></span>
</p>
<p>
<span style="font-size:16.0px;">We provide the good product with the best price,we support Wholesale/Drop Shipping Order</span>
</p>
<p>
<span style="font-size:16.0px;">1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it. </span>
</p>
<p>
<span style="font-size:16.0px;">2. For Wholesale/Drop Shipping
orders, if you have any ideas about the price or package,please contact
us in advance,we will give you the best service to satisfy your demands.</span>
</p>
<p>
<span style="font-size:16.0px;"></span>
</p>
<p>
<span style="font-size:16px;background-color:#999999;color:#FFFFFF;"><strong><span style="background-color:#999999;color:#FFFFFF;">About Payment</span></strong></span>
</p>
<p>
<span style="font-size:16.0px;">If you meet any problem when making the payment, please contact AliExpress Customer Service Center to ask for help: <u><a href="https://helppage.aliexpress.com/buyercenter/index.htm">https://helppage.aliexpress.com/buyercenter/index.htm</a></u></span>
</p>
<p>
<span style="font-size:16.0px;"><u></u></span>
</p>
<p>
<span style="font-size:16px;color:#FFFFFF;background-color:#999999;"><strong><span style="background-color:#999999;color:#FFFFFF;">About Shipments</span></strong></span>
</p>
<p>
<span style="font-size:16.0px;">1.We will send out the orders
ASAP within 2-5 days(except weekends and national holidays) once your
payment is completed normally.</span>
</p>
<p>
<span style="font-size:16.0px;">2.Please write your complete
delivery address with correct phone number and zip code, especially
Russia and Belarus buyers, please confirm your full name. </span>
</p>
<p>
<span style="font-size:16.0px;">3.Please notice that we will not responsible for customs duties.Please do the customs clearance by yourself.</span>
</p>
<p>
<span style="font-size:16.0px;">4.We provide both post
shipping and express shippings.For most countries, post shipping takes
about 25-35 business days, and longer for some countries like Brazil,
Peru.</span>
</p>
<p>
<span style="font-size:16.0px;">Express shipping inlcude DHL, EMS,
AliExpress Premium Shipping and Special Lines like Aramex. It takes
about 7 days.(It will delay if your country meet some problem,Worker
strike,weather problem and so on.)</span>
</p>
<p>
<span style="font-size:16px;background-color:#999999;color:#FFFFFF;"><strong><span style="background-color:#999999;color:#FFFFFF;">About After-sale Service</span></strong></span>
</p>
<p>
<span style="font-size:16.0px;">We are reliable seller and we have
our professional after-sale service for all of our customs. If there is
any question about the order,please contact us in advance ,we will
always here until you get a happy answer.</span>
</p>
<p>
<span style="font-size:16.0px;"></span>
</p>
<p>
<span style="font-size:16px;background-color:#999999;color:#FFFFFF;"><strong><span style="background-color:#999999;color:#FFFFFF;">About Feedback</span></strong></span>
</p>
<p>
<span style="font-size:16.0px;">1. Please check the package and item when you get carefully to make sure there is no problem. </span>
</p>
<p>
<span style="font-size:16.0px;">2. If you have any problem or are
not entirely satisfied with your package,please don’t be hesitate to
contact us first before leaving negative feedback. We will resolve the
problem to satisfy you. </span>
</p>
<p>
<span style="font-size:16.0px;">3. If there is no problem, please leave us 5 star positive feedback.</span>
</p>
<p>
<span style="font-size:16.0px;"></span>
</p>
<p>
<span style="font-size:16.0px;">Your affirmation is our greatest motivation ! ! !</span>
</p>
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