Description:
This shortwave standing wavemeter is designed base on G8GYW open source, and this power standing waves meter is designed for shortwave radio. Built-in large capacity battery to supply long working time. If you are looking for this product, come and have a try, it will not let you down...
Description:
Made of ABS material, long service life
Easy to install and use, improving hands-on ability
Professional manufacturing, stable characteristics and high reliability
The measurement range is 10KHz to 30MHz
This is a kit for DIY HF, VLF active antennas
Hot Antenna Mini-Whip 10 kHz-30 MHz ..
Description:
The circuit board has reverse connection protection. The reverse connection of the power supply will not burn the chip, but the components cannot be soldered to the back of the circuit board, otherwise the chip will be burned. There are battery buckles or terminals, 9 volt battery powe..
Features:
1. The antenna is an excellent integrated circuit as a supporting antenna for the radio.
2. It is made of stainless steel, wear-resistant and damage-resistant, and has a long service life.
3. Equipped with 18350 lithium battery.
4. Built-in type-c charging port to solve the trouble of bat..
Description:
Complete Protection Circuit: GA490 Active Loop Broadband Receiving Antenna has a complete protection circuit for anti-reverse battery, over discharge, over charge, over current, and antenna terminal short circuit
With numerically-precision processed shells, PCB high-frequency design, f..
Description:
The GRC30 antenna was popular among radio enthusiasts as soon as it was launched in mainland China. It is used by short-wave listeners (SWL) and amateur radio enthusiasts (HAM) to receive FM, medium-wave, short-wave, and unilateral in the environment of limited urban living areas. Eff..
Description:
The built-in battery version comes with an 18650 rechargeable battery that has been installed in the power supply box. It is an active antenna that does not require an external power supply. It integrates a charging management chip and uses a MICRO USB charging port to be compatible wi..
Description:
1. The P.BOX feed box needs 3.7V 18650 (battery not includes). It is the only active antenna that does not require an external power supply and integrates a charge management chip. The MICRO USB charging port is compatible with the 5V charging head of Android phones. And charging cabl..
Features:
Aluminum housing with internal thermal tape
Fully assembled and ready to use
Small size board and light weight
Specifications:
Effective band: 100khz-30mhz
Medium wave
Shortwave
Ultra-short wave
Applicable environment: Indoor/Outdoor
Voltage range: 9V-15V
Package included:
1 x MiNi-W..
Feature:
Parameter name
Parameter value
Remark
Module model
Mini-Whip
Module type
Active Antenna
Module power supply
DC+9~15V
Operating frequency range
10KHz~30MHz
Maximum output power
> -15dBm
Module input and output interface
SMA
Module application
Various
Medium and ..