Feature: 1. VHF universal wireless microphone in hand, karaoke speech, plug and play, wider frequency range, less interference, easily perfect display your voice. 2. Adopts strict control of electronic circuit, rich and full sound can captured from source directly in front of the microphone. 3. For all activities such as karaoke, live performances, meetings, churches, schools, auditoriums, parties, etc. 4. USB receiver supports a variety of devices, wide device support applications, device with USB port and microphone interface, can connected to use. 5. Stable signal remote reception, constant frequency within 50m without noise, strong antiinterference capacity, wireless receiver with receive range of 50m(without strong interference) Frequency Range: :266.85MHz
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Wide Compatibility: This Duplex MMDVM hotspot board supports for, for P 25, for D Star and for System. works with for Orange PI and supports duplex mode and mode. Radio Frequency: MMDVM hotspot voard supports UHF 430‑440MHz in duplex mode, UHF 430‑440MHz and VHF 140‑150MHz in mode.
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Comprehensive Frequency Coverage: This SDR receiver covers the full frequency range from 100KHz to 1.7GHz, allowing you to explore a wide spect of signals from UV to HF bands Advanced RTL-SDR Technology: Equipped with the RTL2832U+R820T2 chipset, this USB tuner provides excellent reception and stability for all your amateur radio and software-defined radio needs Multi-band Reception: Enjoy the High Frequency (HF), Very High Frequency (VHF), and Ultra High Frequency (UHF) bands as well as AM and FM broadcasts. Perfect for both hobbyists and professionals Portable and User-Friendly: The compact design with a mini USB interface allows for easy connection to laptops and PCs. The included IPEX antenna enhances signal reception in a variety of environments Perfect for Amateur Radio Enthusiasts: Whether you are a beginner or an experienced amateur radio enthusiast, this receiver offers the features you need for a variety of radio activities FM radio: 87MHz-108MHz, select WFM Shortwave radio: 3MHz-30MHz, AM Medium wave radio: 526.5kHz-1606.5kHz, AM Civilian walkie-talkie frequency: VHF: 136MHz-174MHz standard is NFM UHF: 400MHz-470MHz standard is NFM Amateur radio communication Shortwave single sideband: Lower single sideband LSB is commonly used below 10MHz Upper single sideband USB is commonly used above 10MHz Colour:black Material:ABS Due to different product batches, the appearance may vary, which does not affect the use Package Contents: 1 * SDR Receiver Kit Only the above package content, other products are not included. 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.
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MULTI FUNCTION: Not only can test the standing wave impedance of the antenna, but also can debug the duplexer, the insertion loss of the filter, isolate and attenuate test cable, shorten the coefficient of antenna amplifier, phase, amplification.
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Marine Antenna Product Frequency Range:156-163 MHzImpedance:50Ohm; VSWR:less than 1.8Gain :2 dBi(neglect the cable length); Polarization:VerticalRadiation:Omni; Lighting Protection:Direct GroundMaximum Power Input-watts:50 W; ;MECHANICAL SPECIFICATIONS Product Frequency Range:156-163 MHz Impedance:50Ohm; VSWR:less than 1.8 Gain :2 dBi(neglect the cable length); Polarization:Vertical Radiation:Omni; Lighting Protection:Direct Ground Maximum Power Input-watts:50 W; ;MECHANICAL SPECIFICATIONS Antenna length:1645 mm Antenna termination:PL259 Cable Length/Type: 5m/RG-58 VHF Marine antenna,made of high quality rubber with stainless steel bracket for an easy installation on mast top or other suitable mounting point. 5m RG-58 cable with PL259 connector make you more convenient for use. Waterproof and , for the marine environment. Suitable for ALL MARINE APPLICATIONS: Boat, Yacht, Sailboat, RV, , Trailer, , Go Kart and more. Color: As Shown Material: Stainless steel+plastic Package Contents: 1 x VHF Marine Antenna Kit Only the above package content, other products are not included. 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.
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Rules and Policy. We will try our best to reduce the risk of the custom duties.
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telescopic BNC antenna, Frequency Range: 25MHz - 1300MHz, HF VHF UHF bnc antenna.<br> This BNC connector antenna compatible with portable mobile handheld digital desktop radio scanner, radio media system, communication receiver, police radio scanner, CB radio, sound voice machines, PA system, VHF UHF wireless system, remote receiver, radio controlled receivers, frequency counter etc. which use a BNC male connector antenna.<br> Maximum extension length 29.5 inch(about 75cm); Minimum shortened length 6.7 inch(17cm). 7-sections telescopic stainless steel bnc radio antenna. This bnc radio antenna can freely rotate to adjust the signal receiving position.<br> Easy Installation, Plug-n-Play, bnc male plug connector radio antenna, very easy to install and use.<br> More simple and effective, this bnc radio antenna a better radio solution.<br> <br> colour: as shown<br> Material: metal<br> <br> Package Contents:<br> 2 x replacement BNC radio antenna<br> <br> Only the above package content, other are not included.<br> Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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The isolation of this duplexer is more than 75dB, which ensures high sensitivity in signal receiving and transmitting. This duplexer is a passive device that allows multiplexing frequency in radar and radio communications systems.
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Features 1. Monitor: Enhances speech when the signal is too weak to be heard. 2. Squelch level: 0-9 levels, help you suppress background noise, improve signal sensitivity and sound clarity. 3. VOX: Allows you to free your hands when you're busy, and adjusting the VOX level controls background noise. 4. Scanning: You can find the correct frequency you are talking on and join communications easily and quickly. 5. Voice Prompts: Functions and features are easy to understand; voice confirmation on selection is ideal for new users. Specification Pattern: US, EU, AU, UK Calling range: 3-5KM Storage channels: 128 channels Walkie Talkie Type: Convenient Maximum range: 5KM-10KM Material: Plastic Frequency range: VHF 136-174 MHZ, UHF 400-520 MHZ Dimensions: 5.8 x 1.1 x 3.2 cm Material: ABS Color: Black Size: 18 x 11 x 9.5 cm Weight: 420 g Package Include: Main unit Antenna Lanyard Back clip Battery Earphone Charger Instruction manual Headset
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RF Industries VHF band pass duplexer. Full specifications on the RF Industries website.
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Radiation Protection: Air Sound Tubes protect your body by reducing radio wave radiation. Anti-noise: The soft plastic earbuds fit snugly on the left or right ear and deliver great sound through the air sound tube even in noisy places. It also makes you look like a handsome bodyguard or spy. The built-in microphone features an inline PTT (push-to-talk) button that clips to your shirt so you can communicate discreetly and effortlessly with your radio, whether you're in security, retail or hospitality. High quality clear sound tube earphones that are virtually undetectable to people around you (also reduces electronic radiation), ideal for monitoring and security in airports, casinos, crowd control, conferences, concerts and other work environments that require discreet communication. Compatible with Motorola 2-pin jack dual radios including CP040, CP140, CP160, CP180, P100, P140, P145, P160, P165, P180, P185, XT420, XT460, DTR 2430, DTR 2450, Midland G15, G18 Banda PMR446 Radio, ARCTIC Marine VHF Transceiver, Hytera(HYT) TC-500, TC-508, TC-518, TC-518 OBR, TC-580, TC-610, TC-700, PD412, PD502, PD562. Colour: Black material: plastic Package Contents: 1 x Radio Headset Only the above package contents, other products are not included. Note: Light shooting and different monitors may cause the color of the item in the picture to be slightly different from the actual item. Measurement tolerance is +/- 1-3 cm.
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1 Portable Duplexer. Max.power Input：20-35W(25W）. Frequency Spacing：5.7MHz. Frequency Range：136-174MHz. Isolation：≥80dB. Weight：1.1kg. ).
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1. High-Quality Display: Equipped with a 1.9 inch IPS high-definition screen, this portable radio provides clear and vibrant visual feedback, making it perfect for outdoor or indoor use. 2. All Band Radio Receiver Technology: Using SI4732 chip, it supports all band radio reception including LSB USB AM FM modes, ensuring you never miss your favorite broadcasts. 3. Long-Lasting Battery Life: With an internal 800mAh battery, the pocket mini radio offers over 10 hours of continuous operation, keeping you entertained wherever you go. 4. Enhanced Reception: Comes with a convenient loop antenna, capable of receiving frequencies between 9.9K and 108MHz, making this fm/am radio ideal for environments. 5. Design: The shell is crafted using PETG 3D printing, ensuring robustness and while maintaining a sleek appearance. Specifications: Function: Built-In Speaker Style: Portable Power Supply: Rechargeable Battery Pack Receiving frequency band: HF SW MW VHF Screen: 1.9 inches, 170*320 Charging interface: TYPE-C (fast charging is ) Audio interface: 3.5mm three-band stereo Battery capacity: 800ma Colour:Black Material:plastic Note: With loop antenna is 9.9KHz-181MHz. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 x MINI SI4732 radio 1 x Loop antenna 1 x Antenna Only the above package content, other products are not included. 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.
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Do not use the MX62 VHF+UHF duplexer outdoors when there is any kind of precipitation. The MX62 VHF + UHF duplexer is designed for indoor use, usage frequency is 1.6‑55MHz / 144‑148MHz&400‑470MHz. Note: The MX62 VHF+UHF Duplexer is designed for indoor use.
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Marine Antenna Product Frequency Range:156-163 MHzImpedance:50Ohm; VSWR:less than 1.8Gain :2 dBi(neglect the cable length); Polarization:VerticalRadiation:Omni; Lighting Protection:Direct GroundMaximum Power Input-watts:50 W; ;MECHANICAL SPECIFICATIONS Product Frequency Range:156-163 MHz Impedance:50Ohm; VSWR:less than 1.8 Gain :2 dBi(neglect the cable length); Polarization:Vertical Radiation:Omni; Lighting Protection:Direct Ground Maximum Power Input-watts:50 W; ;MECHANICAL SPECIFICATIONS Antenna length:1645 mm Antenna termination:PL259 Cable Length/Type: 5m/RG-58 VHF Marine antenna,made of high quality rubber with stainless steel bracket for an easy installation on mast top or other suitable mounting point. 5m RG-58 cable with PL259 connector make you more convenient for use. Waterproof and , for the marine environment. Suitable for ALL MARINE APPLICATIONS: Boat, Yacht, Sailboat, RV, , Trailer, , Go Kart and more. Color: As Shown Material: Stainless steel+plastic Package Contents: 1 x VHF Marine Antenna Kit Only the above package content, other products are not included. 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.
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MULTI FUNCTION: Not only can test the standing wave impedance of the antenna, but also can debug the duplexer, the insertion loss of the filter, isolate and attenuate test cable, shorten the coefficient of antenna amplifier, phase, amplification.
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