Reviews Rf Frequency Counter Module

Happymodel ELRS 2.4GHz RX SX1280 EXPRESSLRS Nano Long Range Receiver EP1 RX

The Happymodel 2.4GHz ELRS nano series receiver is an open source program based on ExpressLRS, we have 3 types rx module released..
On the basis of PP RX, we have developed the Nano 2.4GHz rx of ESP8285 version named EP1 and EP2. The RF module of EP1/EP2 is the same like PP RX and....
Due to the low-latency and high-refresh-rate RF module, they are very comfortable for FPV race and Long Range FPV. And very suitable for Tiny whoop....

2PCS PN5180 NFC RF I Sensor ISO15693 RFID High Frequency IC Card ICODE2 Reader Writer.
PN5180 supports card emulation and PEER TO peer mode, NFC chip..
PN5180 can support more cards with different protocols (ISO / IEC 18092.14443 A / B, FeliCa, 15693).
Module uses serial peripheral interface SPI.
Application：Pay，Physical access control，E-government，Industrial control.

Support DC-5G power frequency, RF power splitter is easy to use in the practical life, which makes itself getting great popularity..
When it comes to the power distribution channel, resistance power divider makes one channel input signal into two channel..
Connector form is for SMA-K, which refers to standard female connector and external screw inner hole..
The connecting part has good contact performance, which ensures stable working..
Professionally designed, power divider module can be the perfect replacement for the old or damaged one..

NRF24L01+PA+LNA Wireless Transceiver Module is a 2.4GHz ISM band transceiver, compatible with Raspberry Pi. Auto-acknowledge and auto-retransmit abilities.
Support up to six channels of data reception.
the transceiver come with power amplifier and SMA antenna, which make the effective communication distance has been greatly expanded..
A host microcontroller can communicate and configure the nRF24L01+ over a 4-pin Serial Peripheral Interface (SPI). The configuration registers are accessible through the SPI connection. Configurable parameters include frequency channel (125 selectable channels), output power, and data rate (data rates: 250kbps, 1Mbps, and 2Mbps)..
RF24L01+ Breakout Adapter: Small power on SMD LED indicator, On-board 3.3V voltage regulator, which accepts +5V power supply input and provides 3.3V for the attached "nRF24L01+" module..
Applications:It can be wildly used in wireless remote control such as RC planes/vehicles, wireless audio, wireless voice transmission such as VoIP, wireless networks, smart home,somatosensory devices, RFID, NFC etc..
Package Included:2 x NRF24L01+PA+LNA Wireless Transceiver Module+2 x SMA Antenna+2 x NRF24L01+ Breakout Adapter.

It can be wildly used to wireless remote control, somatosensory devices, RFID, NFC, smart grid, smart home, wireless audio etc..
5PCS NRF24L01 8 Pin Socket Breakout Adapter Board: On-board AMS1117-3.3 chip, a simple socket breakout board which is for 8-Pin NRF24L01 wireless module.
5PCS NRF24L01+PA+LNA RF Transceiver Module with SMA Antenna: Built-in 2.4Ghz antenna: available software to set the address, only received local address when output data(Provide interrupt instruction), can be directly connected to a variety of microcontrollers.
RF24L01+ Breakout Adapter: Small power on SMD LED indicator, On-board 3.3V voltage regulator, which accepts +5V power supply input and provides 3.3V for the attached "nRF24L01+" module..
The packing list includes: 5 * NRF24L01+PA+LNA Wireless Transceiver RF Transceiver Module.

Made in Taiwan. Lovely size as Macaron cookie.
WIDE COMPATIBILITY for IR Bandwidth and most Universal IR Remote Controller: IR receiving module recognizes IR signal frequency ranges from 20KHz to....
Unique 10 Channel-Pairing Features for Different Zone Control: Voice Control (with smart speakers (Echo Dot/ Google Home Mini ) and Logitech Harmony....
Longer Distance to control via RF: 150 to 200 Meters at Open Space..
Bi-Directional, full band IR Control: Both Units send and receive IR (Units are interchangeable). Channel Pairing: Allows multiple Units to be used in....

Large Range: The measuring power range of this RF power meter is -60～-5 dBm (External RF attenuator can be extended to 100dBm), and the frequency range is up to 8000MHz..
Specific Feature: The RF power meter is light, compact and convenient, with a measurement power resolution of 0.1 dBm, and an output interface SMA_K..
Clear Display: This RF power meter comes with an LED screen, the data is clear and straightforward, and it is easy to use..
Standard Structure: The precise mechanical structure of the RF power meter makes the measurement accurate, convenient and reliable..
Quality Assurance: The RF power meter has been inspected many times before it leaves the factory to confirm the quality..

Built-in TD 900M/2.4G Dual-Band Internal RF Module Supports Multiple Working Modes 2.4G ACCST D16Mode (Compatible with ACCST Receivers with D16 V2 or later FW) 2.4G ACCESSMode (Compatible with ACCESS Receivers) 900M ACCESSMode (Compatible with ACCESS R9 868/915MHz Receivers) (*Capable of simultaneous working under ACCESS mode) 2.4G & 900M TD Mode (Compatible with TD Receivers).
Super-low latency and long-range control with telemetry (*Up to 50 to 100KM range and down to 4ms end-to-end latency) 800*480 Color Touch-Screen Displays 6 Quick-Mode Custom Buttons (Front) and 2 Momentary Buttons (Rear) Lite Type External Module Bay Built-in 6-axis Gyroscope Sensor All CNC Metal Trims, Knobs.
Haptic Vibration Alerts and Voice Speech Outputs Supports SWR Indicator Warning Supports Recharge System for 2S Li-ion Battery (USB Type-C Interface) High-speed PARA Wireless Training System (Compatible with FreeLink App3.0) Built-in Audio Wireless Module (Compatible with Bluetooth Audio Device).
All CNC High-Precision Hall-Sensor Gimbals with 10 Ball-Bearing, adjustable 45° to 60° stcik travel and 8° rotatable panel. ETHOS: The more pow....

☛AnyTone AT-6666 Vey good high power 10 meter radio. Frequency Range:28.000-29.700MHz(Programmable),Frequency....
☛ Great high power 10 meter radio. Dimensions(in mm) 245(W)*158(D)*48(H),Weight:1.5kg.ECHO Function,SQ, ASQ Function,RF GAIN Adjustment,RF PWR....
☛ Big LCD displays frequency and all kinds of information,FM、AM、USB、LSB、PA mode,Frequency Tuning Step can be 100Hz 1KHz 10KHz 100KHz 1MHz,....
☛WARRANTY 1 year warranty. Money back if you are not satisfied with it in 1 month. Please feel free to contact with us if you have any query. We....