Communication Units

GY-NEO6MV2 NEO-6M GPS Flight Controller Module 3V-5V with Super Strong Ceramic Antenna for Arduino EEPROM APM 2.5- Module with a ceramic antenna, superior signal- Save the configuration parameter data EEPROM Down- With data backup battery;With LED signal indicator- Default baud rate: 9600, Interface: RS232 TTL- Compatible with a variety of flight control module

ESP8266EX ESP-01 Serial Wireless WiFi Transceiver Receiver Module 1MB SPI Flash DC3.0-3.6V Internet of Things WiFi Module Board Compatible with Arduino
Model: Esp-01.Compatible with Arduino. Support 3 modes: AP, STA, AP + STA

2.12.0.0

NEO-6M GPS Module with Flight Control EEPROM MWC APM2.5

GPS GT-U7 NEO-6M 51 Single Chip Navigation Satellite Positioning Compatible Module

NRF24L01 2.4GHz Wireless RF Transceiver Module with NRF24L01 Socket Breakout Adapter 8 Pin Plate Board Breakout Adapter with on-Board 3.3V Regulator
NRF24L01 Wireless Transceiver Module: 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. Compatible with Arduino and Raspberry Pi.

Wireless Module 433MHz 100 Meters ASK Transmitter STX882 + ASK Receiver SRX882 + 2Pcs Copper Spring Antenna

GPS NEO-8M Satellite Positioning Module Arduino STM32 C51 51 MCU Microcontroller

HC-06 Bluetooth Serial Pass-Through Module
Works with any USB Bluetooth adapters.
Default Baud Rate: 9600,8,1,n.
Built in antenna.
Coverage up to 30ft.

Bluetooth master and slave moduleThrough the AT command, you can set this bluetooth module to the master mode can also be set to slave mode, even in iBeacon way work .it also Supports Apple Notification Center Service (ANCS)
base Board 4 PIN, leads to VCC, GND, TX, RX. You can be very convenient to connect to your arduino project or other DIY project
Working voltage 3.6 V to 6V,Default rate of 9600.There are 4PIN dupont cable in the package

NRF24L01 Wireless Module Transceiver 2.4 GHz + SMA Antenna +  Breakout Adapter On-Board 3.3V Regulator - Arduino
【NRF24L01】is 2.4GHz ISM band transceiver for arduino, which has the abilities of auto-acknowledge and auto-retransmit and support up to six channels of data reception.
【NRF24L01】Includes on board support components and the RFX2401C which is the PA (Power Amplifier) and LNA (Low-Noise Amplifier)
【NRF24L01】The module has 5V tolerant inputs which allows for direct connection of SPI pins to the Arduino.
【Wireless Module】Small power on SMD LED indicator; On-board 3.3V voltage regulator accepts your Arduino +5V supply and provides 3.3V for the attached "NRF24L01+" module.

SIM900A V3.8.2 Wireless Extension Module GSM GPRS Board with Antenna Kit
- Onboard two sets of power interface VCC5 5V power supply, VCC4 interface, 4.8-5.2V power supply, optional power supply self-start (default) and control start.- Onboard SMA (default) and IPXmini antenna interface, SIM900A interface retains reset.- The size of the module is 49 * 50mm, all new and original equipment.- The computer can power the early computer debugging USB module, and there is a very large amount of data under the recommended current of more than 1A.- You can set up dozens of MA data in standby to provide 10MA low power sleep and sleep.

ESP32 wireless transceiver module