SIM20 Short-rang RF module SIMCOM wireless GSM module SIM20
SIM20 is a high integrate half-duplex, multi-channel low power wireless communication module. It includes high speed MCU and perfect performance RF chip, so it has high receiving sensitivity, programmable transmitting power and data rate. SIM20 supports the multi-channel choice, transparent date transfer without complex user setting; it supports UART, IIC , SPI, GPIO interfaces.
The leading features of the module make it ideal for industry applications such as automatic metering, wireless medical telemetry service (WMTS), home automation and process and building control.
General features
* Dimensions: 21*13.8*2.6 mm
* Weight: 1.5 g
* Supply voltage range: 3.0~3.6 V
* Normal operation temperature: -40℃ to +80 ℃
* Storage temperature: -45℃ to +90 ℃
* Humidity: 10%~90%
* Low power consumption
* Flexible software programmable setting option
* Control via AT commands (SIMCOM enhanced AT Commands)
Specifications for SRD RF
* Maximum transmit power: 18 dBm (except SIM20-433)
* Receive sensitivity: -118dBm @2400bps
* Transmission distance:1500 Meters @9600bps (SIM20-A, open sky)
Frequency bands support as below:
-SIM20-A: 433~434.79MHz
-SIM20-B: 863~870MHz
-SIM20-C :902~928MHz
-SIM20-470 :470.00~510.00MHz
-SIM20-433 :433.05~434.79MHz
-SIM20-868 :868.00~869.70MHz
* Modulation schemes: GFSK
* Frequency interval: 100KHz
* Sleep current consumption: 1uA
* Rx current consumption: 26mA
* Tx current consumption: 80mA@18dBm, peak value
* Support peer to peer transmission and broadcasting transmission
* Adapt to mass data transmission
Interfaces
22 SMT pads include:
* Power pad and ground pads
* Antenna Interface
* UART Interface
* SPI Interface (reserved)
* IIC Interface (reserved)
Specification for Data
* Air interface data rate: 2400~128000bps
* Uart interface data rate: 2400~115200bps
* Uart interface check mode: 8N1, 8E1, 8O1, 7N2, 7E1, 7O1
* Uart RX interface buffer size: 255 bytes
* Standard
* ETSI EN 300-220
* FCC Part 15
* Chinese SRD regulatory standards
Certifications
* ROHS
* CE (SIM20-433, SIM20-868)
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Short-rang RF module SIMCOM wireless GSM module SIM20 Images
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