Reference: RBD-1412

TTGO T-Call ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Board

Chipset :ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor FLASH: QSPI flash 4MB / PSRAM 8MB SRAM:520 kB SRAM Button: Reset USB to TTL: CP2104 Modular interface: UART,SPI,SDIO,I2C,PWM,TV PWM,I2S,IRGPIO On-board clock:40MHz crystal oscillator Working voltage:2.7V-3.6V Working current: About 70mA

Reference: RBD-0201

FlySky 2.4Ghz 9CH RC Transmitter FS-TH9X (Upgrade)

QUICK OVERVIEW Transmitter: FS-TH9X Upgrade with FS-RM003 2.4GHz Module Receiver: FS-IA10B Default Mode: Mode-2 Input Power: 12V DC (1.5V x 8  AAA Battery) Bidirectional System Frequencies-Hopping Omni-directional High Gain Antenna Low Power Consumption

Reference: RBD-1641

Dual Band GSM Antenna (SMA MALE)

Product: GSM Antenna Color: Black SMA male straight 5cm 900-1800MHz radio antenna. Frequency: 900MHz – 1800MHz Maximum Power: 50W Length: 5cm/1.97 inch

Reference: RBD-0189

Brand: DFRobot

Xbee Shield for Arduino (without Xbee)

Xbee Shield for Arduino (without Xbee) INTRODUCTION: The XBee Expansion Board is a compliant solution designed to meet low-cost, low-power wireless sensor networks with special needs.The module is easy to use, low power consumption, and the provision of critical data between devices reliable transmission.

Reference: RBD-1647

SX1278 LoRa Module 433M 10KM Ra-02 Original Ai

Communication distance: 15KM Sensitivity: down to -148dBm Programmable bit rates: up to 300kbps RSSI dynamic range: 127dB Wireless frequency: 433MHz Working voltage: 1.8-3.7v Working temperature: -40-+80 ℃The range depends on your antenna. If you need a longer range, you need to use a powerful antenna. (Antenna is not included)

Reference: RBD-2136

CC2530F256 Zigbee UART Wireless Core Development Board with Serial Port

Very Few External Components Excellent Receiver Sensitivity and Robustness to Interference. Programmable Output Power Up to 4.5 dBm. High-Quality Construction

Reference: RBD-0440

HC-12 433Mhz Wireless Serial Transceiver Module - 1 Kilometer

433MHz operation Ultra-low power consumption (3.5mA or 22mA depending on mode) with sleep option (80μA). 10dBm output power and high sensitivity providing long range in the open environment. 3V-6V operating voltage. Serial pass-through mode to replace the serial cable (half duplex). IO pass-through modes. RoboticsBD

Reference: RBD-1959

HW-353A SIM900A Module Development Board GSM GPRS

Single supply voltage 3.4V – 4.5V HW-353A SIM900A Module Development Board GSM GPRS The keypad and SPI display interface will give you the flexibility to develop customized applications. Serial port and Debug port can help you easily develop your applications. One audio channel includes a microphone input and a speaker output. Programmable General Purpose...

Reference: RBD-0691

IR Infrared Remote Decoder Encoding Transmitter & Receiver Wireless Module

Supply voltage: 5V Communication: Serial communication (TTL level) Operating istance: 6-10 meters 

Reference: RBD-1578

DT-06 TTL to WIFI Module

Support serial AT command Support re-programmable, OTA firmware update Seamless transparent transmission between serial and WiFi Built-in HTTP Web Server, support configure parameters by web page

Reference: RBD-0103

M177 NRF24L01 2.4GHz Antenna Wireless Transceiver Module

This is M177 NRF24L01 2.4GHz Antenna Wireless Transceiver Module. The nRF24L01 is a highly integrated, ultra-low power (ULP) 2Mbps RF transceiver IC for the 2.4GHz ISM (Industrial, Scientific, and Medical) band. With peak RX/TX currents lower than 14mA, a sub μA power down mode, advanced power management, and a 1.9 to 3.6V supply range, the nRF24L01...

Reference: RBD-0688

RF Transmitter Receiver Pair 433 MHz

Wide input supply (2.5 V to 12V) Easy to integrate (V+, GND, and Data) The device in deep sleep mode when Data pin is grounded Very small dimension.

Reference: RBD-0318

SIM900A Mini Module 5V

This module is intended for advanced users who require moderate knowledge of GSM systems and microcontrollers. It needs wiring and firmware updates to unlock the country lock.  Dual-Band 900/ 1800 MHz GPRS multi-slot class 10/8GPRS mobile station class B Compliant to GSM phase 2/2+ Dimensions: 24*24*3 mm Weight: 3.4g Control via AT commands (GSM 07.07...

Reference: RBD-2016

USB to Ethernet Adapter

Backward compatible with USB 2.0 USS, MDIX support Jumbo packets up to 9 KB Plug and play installation Full-duplex and half-duplex operation of fast ethernet Suspend mode and remote wake up via links and magic packs

Reference: RBD-0697

CH340 USB to ESP8266 Serial Wireless Wifi Module Adapter Board CH340 ESP-01 Development Microcontroller For Arduino

Driver Chip: CH340G Supports all basic windows versions. The adapter plate integrated 1000μF solid capacitors to ensure the current supply The power supply will not be a problem to make WIFI module crashes unresponsive. Using 3225 SMD crystal oscillator, improve the stability of serial work, on a beautiful and tall. Working voltage: 4.5V – 5.5V (Onboard...

Reference: RBD-0400

NRF24L01+PA+LNA 2.4GHz SMA Antenna Wireless Transceiver communication module 1pcs

Voltage: 3-3.6V (recommended 3.3V) V. Maximum output power: +20dBm. Power-down mode current: 4.2uA. Operating Range: 1Km Antenna Gain (peak): 2Dbi. 2MB rate (Open area): 520m. 1MB rate (Open area): 750m. 250Kb rate (Open area): 1100m. It uses 2.4GHz global open ISM band, with license free. SPI interface facilitates the communication with MCU I/O port....

Reference: RBD-0389

PL2303 USB to TTL Serial Converter

Adopt imported controller PL2303HX, which can stabilize the flash with high speed 500mA self-recovery fuse for protection Two data transmission indicator can monitor data transfer status in real time Reserve 3.3V and 5V pin interface, easy for the DDWRT of different voltage system that needs power The entire board is coated by the high quality transparent...

Reference: RBD-1336

ESP8266 5V WIFI Relay Smart Home Remote Control Switch

Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay Transmission Distance : 400m (max) Relay : 5V,10A/250V AC 10A/30V DC Baud Rate: 9600. Diode effusion protection; Short...

Reference: RBD-0237

APM /Pixhawk Radio Telemetry Kit 433Mhz 100mW

Description: This Telemetry radio set allows you to link to  a flight controller such as the APM or Multiwii  AIO via a USB equipped device such as a  computer, laptop or tablet supporting a USB  connection (OTG). APM /Pixhawk Radio Telemetry Kit 433Mhz 100mW (OTG Cable Included)

Reference: RBD-1337

ESP8266 Dual WiFi Relay Module Internet Of Things Smart Home Mobile APP Remote Switch

Transmission Distance(m) :400 Relay Channel:2 Trigger Voltage (VDC): 5 Switching Voltage (VAC):250@10A Switching Voltage (VDC):30@10A Baud Rate:9600 Note: Relay might be different from the picture as per stock

Reference: RBD-0797

U-Blox NEO-6M GPS Module

5Hz position update rate. The cold start time of 38 s and Hot start time of 1 s. Configurable from 4800 Baud to 115200 Baud rates. (default 9600). SuperSense ® Indoor GPS: -162 dBm tracking sensitivity. Support SBAS (WAAS, EGNOS, MSAS, GAGAN). Separated 18 x 18mm GPS antenna. RoboticsBD In recent years 2022, due to a shortage of chips, some of the GPS...

Reference: RBD-0841

A6 GPRS GSM Module

Supports Quad-band: GSM850, EGSM900, DCS1800 and PCS1900 Connect onto any global GSM network with any 2G SIM Make and receive voice calls using an external 8Ω speaker & electret microphone Facility to connect 4-pole TRRS mic and headset

Reference: RBD-1529

LoRa SX1278 Long Range RF Wireless Module

Model:SX1278ZTR4 SX1278 433mhz module spread spectrum low power serial port module LoRa wireless module Range: 3-5 KM (line of sight) Sensitivity: down to -148dBm Programmable bit rates: up to 300kbps RSSI dynamic range: 127dB Wireless frequency: 433MHz Working voltage: 1.8-3.7v Working temperature: -40-+80 ℃

Reference: RBD-0282

XBee USB Adapter

Specifications: - 3.3V and 5V dual power output- 3.3V and 5V IO compatible- USB2.0 protocol- BitBang mode ready- Easily connected to PC via mini USB cable- Support XBee-setting with software X-CTU

Reference: RBD-1852

ESP32-CAM External Antenna

IPEX To SMA Female External Antenna Adapter SMA Male Antenna for 2.4G WIFI Module Only Antenna and Adapter RF Cable  ESP32 Cam is not included

Reference: RBD-1604

Software Radio RTL2832U + R820T2 RTL-SDR ADS-B DVB-T DAB SDR Receiver

Supports Digital terrestrial video and radio program recording (records digital terrestrial TV on PC or Laptop).  The included Input Terrestrial Antenna will offer stable TV signal.   Supports Real Time digital video recording and broadcasting.   Supports Watching DVB-T digital TV and listen to DAB and FM radio. Full DVB-T bandwidth reception (at 6 / 7 /...

Reference: RBD-1928

HC-08 Bluetooth 4.0BLE Serial Port Module

Frequency: 2.4GHz ISM. Protocol: BLE 4.0. Max transmitting power: max. 4dBm. Modulation System: GFSK. Serial Baud Rate: 1200 to 115200 bps. Reference Distance: 80 meters.

Reference: RBD-1138

AI-thinker A9G GSM/GPRS+GPS/BDS Development Board

Board Based On AI-Thinker A9 GPRS Module Supports Firmware Upgrade Via Serial Port Operating Voltage: 5v

Reference: RBD-1670

ESP8285 IR Infrared Transmitter Receiver Module WIFI Remote Control Switch

The smallest 802.11b/g/n Wi-Fi SoC module Uses low power 32bit CPU and compatible with the application processor Main frequency up to 160MHz Built-in 10Bit high precision ADC Support UART/GPIO/PWM/ADC interface Integrate Wi-Fi MAC/BB/RF/PA/LNA

Reference: RBD-1040

FM Radio Transmitter Module Arduino

FM 70-108MHz  Input Voltage 3v~5v