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simcom wireless RF module

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simcom wireless RF module
Detailed Description

1.original brand SIMCOM SIM20 module
2.434MHz 868MHz 2.4GHz wireless module,simcom wireless RF module

1.original brand SIM20 module
2.multi-channel low power wireless communication module
3.SIM20 GSM GPRS module,434MHz 868MHz 2.4GHz wireless module,simcom wireless RF module


SIM20 is a high integrated half-duplex,multi-channel low power wireless communication module. It includes high speed MCU and perfect performance RF chip with high receiving sensitivity, programmable transmitting power and data rate. SIM20 supports the multi-channel choice, transparent date transfer without complex user setting and UART(CMOS/TTL),RS232,RS485,IIC/SPI,ADC interface.

The leading features of the module make it ideal for industrial applications such as automatic metering,wireless medical telemetry service,home automation,process and building control.
General Features
- Standard
  – ETSI 300-220, FCC Part 15,
- Support peer to peer transmission and broadcasting transmission
- Optional 16bits RFID
- Flexible software programmable setting option
- Frequency bands support
  – 433MHz – 434.79MHz(SIM20-A)
  –  863MHz – 870MHz(SIM20-B)
  – 902MHz – 928MHz(SIM20-C)
- Modulation schemes: 2GFSK
- Frequency interval: 200KHz
- transmission distance: 1000 Meters@1200bps
- Transmit power: 20mW, 10 steps adjusting
- Receive sensitivity: -115dBm@1200bps
- Sleep current consumption: 5uA
- Tx current consumption: 35mA@10dBm
- Rx current consumption: 28mA
- Input voltage of the module: 3.3V~5.5V(±50mV)
- Physical Dimensions: 40mm×20mm×2.8mm
- Operation temperature: -20°C to +70°C
- Storage temperature: -40°C to +85°C
- Humidity: 10%~90%
- Air date rate: 1200 – 115200bps
- Interface date rate:
  – 1200 – 115200bps
  – RS232/RS485
- Interface check mode: 8E1/8N1/801
- Interface buffer size: 512bytes

- RS485 Interface
- UART(CMOS/TTL) Interface
- RS232 Interface
- IIC Interface
- SPI Interface
- ADC Input


We promise to supply you with high quality RF module!Of course , if you have some good ideas that you want us to develop or reproduced, please feel free to send us your product image or design artwork, we are also pleased to become your Original Equipment Manufacture.We promise that all our products are made of top quality materials.We are sincerely looking for your cooperation!

Company information:
AND TECHNOLOGIES CO LTD is an exporter of China (Mainland) Electronic Products & Components Processing products.    With independent export rights, our products have been exported to North America South America Eastern Europe Southeast Asia Africa Mid East Western Europe Northern Europe Southern Europe, etc. The aim we pursue is to be the best in quality & price, and we always have been devoted to our customers for their requirements!    We are glad to invite you to be our value partner!Please visit our website at for details!
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Send Inquiry to this Supplier
Ms. Carmen Wu
B6 Huatongyuan Logistics Center,No.2 Minzhi Road,Baoan District

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