SIM800 V4.72 Wireless Dual Band GSM GPRS Module MIC Voice SMA Antenna UK Stock


Description:
SIM800 development board module featuring: GSM, GPRS, MMS, SMS and Audio capabilities!
Features:
- Serial interface: TTL/USART serial support.
- Antenna circuit: Three common antenna interfaces (SMA interface only soldered)
- Two
way power interface: DC IN 5 v DC power supply OR 3.5-4.2
V power supply, suitable for lithium battery power supply applications. - Audio interface: increased by 3.5 MM audio interface, easily implement voice calls, voice broadcast, etc.
- SIM booth: new mainstream type metal MICRO thrust booth, strong and durable.
- LED indicator light: onboard two LED indicators. Allows you to monitor module working condition.
- PCB
show: each interface screen printing mark, convenient for secondary
development, the design fully follow SIM800 / A hardware design manual. - Antenna Included!
Specifications
- Support
3.3V / 5V TTL level control, convenient and a variety of commonly used
single-chip, such as ARDUINO / 51 / STM32 and other communications - The module lists TX / RX / GND separately, and is convenient for use
- With a standard serial interface, can be easily controlled by PC or debugging
- With headphone and microphone interface, can easily test the GSM voice call function
- With SIM card electrostatic protection chip, plug the SIM card when the static electricity generated protection
- All available SIM800 pins are available for easy development of various SIM800 applications
- With RTC backup battery
- With NET_STA indicator, easy to watch the current SIM800 state
RST: SIM800 reset, active low effective duration 600MS
Important Note: Do not exceed the voltage USE only DCIN or 3V9 to power the module
Uses AT Commands
Each Module, is tested for SMS text and Voice – incoming and outgoing. works with all major UK mobile networks. For use on UK mainland Only.
Important Note Before you decide to Buy: This item is provided with NO instructions or data sheets. We are unable to provide any technical support, it is therefore essential that you have the resources available to make use of this item and how it operates within the electrical specifications. We check and test each module, we are therefore unable to accept any returns based on a faulty module.
This item will be fully tested on a UK GSM network and the Antenna connector will be checked prior to dispatching. Please observe the maximum operating working voltage.
**** Important note **** Some sellers claim the stock is in the UK, please be careful, the seller is often in China and sends the item to a UK agent who then forwards the item on with a UK stamp. Check where the seller is located not just the item location. All my items are physically with me, here in the UK and I offer a quick delivery and communication within the UK.
During busy periods there maybe a delay in delivering your package by Royal Mail. I apologies in adavnce for any inconvenience but would like to point this out before you place your order.