Последние поступления

Frog Sounds HAM Radio QRP Kit Telegraph CW Transceiver Receiver Radio Station frog sounds ham radio qrp kit telegraph cw transceiver receiver radio station
Frog Sounds HAM Radio QRP Kit Telegraph CW Transceiver Receiver Radio Station The PCB will have the different colors, But the product itself is not affected, please note that before you buy it ...... We have Confirmed from the supplier, even The PCB is different colors, it still can be used, if you got any problems when you finish soldering the Yellow PCB, please contact us to ask for help quickly...... Description: This is a very small volume of simple 40 meter band micro-power amplitude telegraph transceiver, the DC power supply using a 9V battery or an external 9-12V side of. In relatively good spread, they can communicate with amateur radio within the range of several hundred kilometers.This machine was first introduced by domestic radio enthusiasts, and gave it played a nice name "frogs" Feature: Power: 9V-12V (12V linear regulated power supply is recommended) Antenna: 50 ohm, unbalanced Transmit power: 1.9W (using 9V power supply) 2.6W (using 12V power supply) Frequency: The oscillator frequency emission: 7023KHz; receiving local oscillator frequency: about 7023-7026KHz Working Mode: CW Note: MOSFET 2N7000 kit to be used as a final element of soldering, in order to prevent electrostatic breakdown, 2N7000 soldering iron should disconnect the power supply heat soldering Factors affecting communication distance are: antenna and erect, spread bad weather, the surrounding environment is electromagnetic interference, individual operational level. The kit is CW manner (similar to the previous telegram) not speaking Package included: 1 x Frog Sounds HAM Radio QRP Kit Telegraph CW Transceiver Receiver Radio Station
10.52 RUR
DIY Radio 40M CW Shortwave Transmitter Kit Receiver 7.023-7.026MHz frog sounds ham radio qrp kit telegraph cw transceiver receiver radio station
DIY Radio 40M CW Shortwave Transmitter Kit Receiver 7.023-7.026MHz Brief introduction: This kit is a classic low-power transceivers. This is a very small volume of simple 40 meter band micro-power amplitude telegraph transceiver uses a 9V square battery. The reception is good, highly readable code, is the entry of the most junior amateur radio choice. Technical parameters: Power supply: DC 9V-14V Antenna: 50 ohm, unbalanced Receive quiescent current: 10mA @ 9V Transmit power: 0.8W @ 9V, 1.2W @ 12V Frequency range: launch 7.023MHz, receive 7.023-7.026MHz (7.023MHz crystal) Mode: CW Shell selection and installation: Beautiful metal case not only for item considerably, and can effectively shield nearby interference. There are many optional shell, for example, metal cans, aluminum boxes, medical elongated aluminum box and so on. Select the box in time to pay attention as easy to open, because the battery ran out and need replacing. Recommendations: The confidential achieve better results, set the antenna performance can not be less than the full length of the horizontal half-wave dipole antenna, in conjunction with the use of Simple Barron, antennas should be kept away from sources of interference, such as fluorescent lights, computer monitors, switching power supplies and other equipment as much as possible with the coaxial cable as feeders to reduce possible interference received, as a small selection of the broadcast interference morning or late at night listening to get the best results listen to SSB and CW signals signal. Note: We don't supply any manuals please note about this before you order it. Package included: 1 x Shortwave Transmitter Receiver 7.023-7.026MHz QRP Pixie Kit
4.16 RUR
Morse Code Reader / CW Decoder / Morse code Translator / Ham Radio Essential Module frog sounds ham radio qrp kit telegraph cw transceiver receiver radio station
Morse Code Reader / CW Decoder / Morse code Translator / Ham Radio Essential Module Features: Power supply: DC7-12V/500mA Include LCD Mainboard Size: 100mm/4" x 50mm/2" (LxW) Package Included: 1 x CW decoder/ Morse code reader/ Morse code translator/Ham Radio Accessory
11.45 RUR
BaoFeng UV-82 136-174/400-520 MHz FM Ham Two-way Radio Transceiver frog sounds ham radio qrp kit telegraph cw transceiver receiver radio station
BaoFeng UV-82 136-174/400-520 MHz FM Ham Two-way Radio Transceiver UV82 Walkie
2433.37 RUR
Dual-Bands 136-174/400-480MHz FM Ham Two-Way Radio frog sounds ham radio qrp kit telegraph cw transceiver receiver radio station
BaoFeng UV-5RB Dual-Bands 136-174/400-480MHz FM Ham Two-Way Radio - Silver + Black
2306.18 RUR
3DR Radio Telemetry Kit With Case 433MHZ 915MHZ For MWC APM PX4 Pixhawk frog sounds ham radio qrp kit telegraph cw transceiver receiver radio station
3DR Radio Telemetry Kit With Case 433MHZ 915MHZ For MWC APM PX4 Pixhawk Ground station: Description: Item Name: 3DR Radio Telemetry Module Support to MWC / APM / PX4 / Pixhawk flight control Feature: Small size and light weight CP2102 high quality USB to TTL chips Alternatively 433MHZ or 915MHZ version Support MWC / APM / PX4 / Pixhawk other open source flight control Receiver sensitivity of -118 dBm The maximum transmit power 100mW MAVLink Framework Agreement Open Source Firmware Frequency hopping spread spectrum (FHSS) 2-way full-duplex communication adaptive TDM Up to 25% can be corrected bit errors Based Si1000 and Si4432 wireless microcontroller modules. Package Included: 1 x 3DR Radio Telemetry with the case 2 x cables (APM/PIX) 2 x 3.5dbi antennas
23.89 RUR
DIY FM Radio Kit Electronic Learning Suite frog sounds ham radio qrp kit telegraph cw transceiver receiver radio station
DIY FM Radio Kit Electronic Learning Suite Feature: Size: 120 x 76 x 26mm LCD Monitor: 52 x 34mm Frequency range: 72MHz-108.6MHz IF frequency: 10.7MHz Power: 3V (2 * AA battery) Output Power: 180mW Color: Black, White Difference between Type 1 and Type 2: Type 1: Basic version, this display module is soldered. Type 2: Improve version, the SMD is unsoldered, the display module is unsoldered. (Is more difficult) Please select the version you need. Package includes: 1 x DIY FM Radio Kit
8.09 RUR
DSP & PLL Digital Stereo FM Radio Receiver Module 87-108MHz With Serial Control frog sounds ham radio qrp kit telegraph cw transceiver receiver radio station
DSP & PLL Digital Stereo FM Radio Receiver Module 87-108MHz with Serial Control Feature: -Adopt the advanced technology of DSP and FM modulation PLL to make sound more realistic, more stable performance, long working hours without frequency offset. -LCD display more intuitive and accurate, with very low power consumption and minimal noise interference. -30 range digital volume adjustment, can be easily operated with keystrokes. -Automatic memory data before the power failure. -Automatically switched speaker and reciver output -Adopt quartz crystal frequency stabilization, the temperature change is no longer receiving frequency drift. -The professional audio DSP audio signal analysis and processing, automatic mute no signal or weak when FM signal noise, get rid of traditional FM radio in the absence of signal or weak signal when annoying rustling. -Adopt digital incremental rotary encoder to adjust the volume and frequency, well handfelt, precise positioning, stable and durable, 360rotation without dead ends. Support for serial communication control, able to use computer or MCU module device can control all functionality. Specification: Output power: 500mW (actuate reciver) 3Wx2 (actuate speaker) Frequency range: 50Hz-18KHz Receiving frequency range: Close the campus radio 87.0MHz-108.0MHz Open the campus radio 76.0MHz-108.0MHz Equivalent noise: 30dB Supply voltage: 3.0V-5.0V Channel: Stereo Supply Current: maximum volume 1000mA, minimum volume under 60mA (for reference only) Package included: 1 X DSP & PLL Digital Stereo FM Radio Receiver Module 87-108MHz With Serial Control
8.59 RUR
Grigorios Kalivas Digital Radio System Design frog sounds ham radio qrp kit telegraph cw transceiver receiver radio station
A systematic explanation of the principles of radio systems, Digital Radio System Design offers a balanced treatment of both digital transceiver modems and RF front-end subsystems and circuits. It provides an in-depth examination of the complete transceiver chain which helps to connect the two topics in a unified system concept. Although the book tackles such diverse fields it treats them in sufficient depth to give the designer a solid foundation and an implementation perspective. Covering the key concepts and factors that characterise and impact radio transmission and reception, the book presents topics such as receiver design, noise and distortion. Information is provided about more advanced aspects of system design such as implementation losses due to non-idealities. Providing vivid examples, illustrations and detailed case-studies, this book is an ideal introduction to digital radio systems design. Offers a balanced treatment of digital modem and RF front-end design concepts for complete transceivers Presents a diverse range of topics related to digital radio design including advanced transmission and synchronization techniques with emphasis on implementation Provides guidance on imperfections and non-idealities in radio system design Includes detailed design case-studies incorporating measurement and simulation results to illustrate the theory in practice
7679.53 RUR
BAOFENG UV-82 Dual Band Handheld Transceiver Radio Walkie Talkie frog sounds ham radio qrp kit telegraph cw transceiver receiver radio station
Description : BAOFENG UV-82 Dual Band Handheld Transceiver Radio Walkie Talkie The latest radio to come from Baofeng. This radio has upped the bar on ham radio technology. Compared to previous Baofeng products (UV-5R and the UV-B Series) this radio comes with a much louder speaker (1 watt.) a more solid design with larger buttons, and a better antenna. This radio can be programmed with or without a PC to also work on private repeater systems. Functions : Frequency Range : 136-174 & 400-520MHz Dual Band, Dual Display, Dual Frequency,Dual Standby A/B band independent operation 128 groups channels storage Shortcut menu operation mode VFO & Memory channels scan Emergency Alarm Tri-color background light selectable 0~9 grades VOX selectable PTT & ANI ID FM radio and 25 stations storage 1750Hz Brust Tone Time-out Timer Channel Monitor Battery Saver Keypad Lock Channel Step : 2.5 / 5 / 6.25 / 10 / 12.5 / 25 KHz Low Battery Alert ROGER SET Emergency Alert 25KHz/12.5KHz Switchable FM Radio (65.0MHz-108.0MHz) Large LCD Display LED Flashlight Hight /Low RF Power Switchable Voice companding 50 CTCSS/ 104DCS coder & tone searching PC programmable Wide/Narrow Band(25kHz/12.5kHz) Transmitter time-out timer(TOT) High/Low TX power selectable Specification : Frequency Range 65-108MHz(FM Receive only) 136-174MHZ and 400-520MHZ (TX/RX) Channel No. 128 Frequency Stability 2.5ppm Antenna High gain DualBand antenna Antenna Impedance 50 Operating Voltage DC 7.4V Mode of operation Simple or semi-duplex Antenna SMA -Female Earpiece / mic type Kenwood Plug type Dimension(W x H x D) 132 x 60 x 35 mm (not included antenna) Weight 238g(including battery, antenna) Power adapter Input : AC100-240V, 50-60Hz; Output : DC10V/500mA; Plug Type : EU/US plug charger and AU/UK adaptors all available Transmitter Output power 5W / 1W (Max 5W) Modulation Mode 16k F3E / 11k F3E Maximum deviation 5kHz(Wide) / 2.5kHz(Narrow) Spurious Radiation 7W Adjacent Ch. power 65dB(Wide) / 60dB(Narrow) Pre-emphasis characteristics 6dB Current 1.6A(5W) CTCSS/DCS deviation 0.50.1kHz(Wide) / 0.30.1kHz(Narrow) Intermediation sensitivity 8-12mv Intermediation distortion 10% Package includes : 1 x BAOFENG UV-82 Dual Band FM Transceiver 1 x 7.4V 2800mAh BL-8 Battery 1 x Dual Band Antenna 1 x User Manual 1 x Earphone for free 1 x Desktop Charger 1 x Power Adapter 1 x Belt Clip 1 x Hand Strap Details pictures :
43.99 RUR
APM2.6 Flight Controller w/ NEO-6M GPS Module and CRIUS MAVLink-OSD V1.0/ 915MHz 3DR Radio Telemetry frog sounds ham radio qrp kit telegraph cw transceiver receiver radio station
Ublox NEO-6M GPS module: Compatible with APM serial port and I2C port. CRIUS MAVLink-OSD V1.0: Features Working voltage: 5~12V. 915MHz 3DR Radio Telemetry Kit: Receiver sensitivity to -121 dBm; Air data rates up to 250kbps
8686.61 RUR