Product Description
Product Description
Description• SIM900A adopts industrial standard interface and its working frequency is GSM/GPRS 850/900/1800/1900MHz. It can transmit voice, SMS, data and fax information with low power consumption. • In addition, the size of SIM900A is 24 x 24 x 3 mm, which can be applied to all kinds of design requirements in M2M applications, especially for compact product design.Main characteristics• Dual frequency 900/1800 MHz• GPRS multi-slot class 10/8• GPRS mobile station class B• Satisfying GSM 2/2+StandardClass 4 (2W@900MHz)Class 1 (1W @ 1800MHz)• Size: 24*24*3mm• Weight: 3.4g• Control by AT command (GSM 07.07, 07.05 and SIMCOM Enhanced AT Command Set)• SIM Application Toolkit• Supply Voltage Range: 3.1... 4.8V• Low power consumption: 1.5mA (sleep mode)• Operating temperature range: - 40 C to + 85 CFax• Group 3, class 1Data transmission• GPRS class 10: maximum 85.6 kbps (downlink rate)• Support PBCCH• Coding schemes CS 1, 2, 3, 4• CSD reached 14.4 kbps• USSD• Non-transmissible• PPP-stackShort message• Point-to-point MO and MT• Short Message Broadcasting• Text and PDU modesSoftware features• 0710 MUX Protocol• Embedded TCP/UDP Protocol• FTP/HTTP (achievable in July 2010)Enhanced version software features• FOTA (achievable in July 2010)• MMS (achievable in July 2010)• Embedded AT (achievable in the third quarter of 2010)Voice• TricodecHalf-rate (HR)- Full Rate (FR)Enhanced Full Rate (EFR)• Supporting Echo Suppression Algorithms• AMRHalf-rate (HR)- Full Rate (FR)Interface• Supporting SIM card 3V/1.8V interface• Analog Audio Interface• Support RTC• SPI interface• Serial interface• Antenna pad• I2C• GPIO• PWM• ADCCompatibility• AT cellular command interfaceWhy Choose UsFAQQ1. What is the minimum order quantity for your products?A1. Minimum order quantity starts from ONE piece.Q2. What's the quality of your products?A2. We have professional QA/QC team to ensure the quality before shipment. We provide 1 year warranty for all the new and original products.Q3. Is this product free of shipping or free samples?A3. Regularly the sample and shipping cost will be at the buyer's account. But in specific case, we may take these costs. Please kindly check with us the details by email. Thank you.All Categories4G 5G ModuleGPS ReceiverGPS AntennaGSM/LTE/WiFi AntennaGSM/LTE+GPS AntennaGNSS/GPS Module2G/3G/4G ModemGPS TrackerRF Coaxial / ConnectorSIMCard HolderSensorIC