Return policy detailsReturn policy detailsBuyers can return item(s) for a refund within 7 days from the day the item(s) were received, and the buyer is to afford the return shipping cost. The item(s) must be returned in the same exact condition as once it was delivered.Buyers may return the item(s) for a refund if they are not as described or with quality issues within 7 days from the day the item(s) were received.The buyer is required to afford the return shipping cost, based on the condition of the item(s) received.Basic InfoBasic Info.SKU25033Place of OriginChinaMOQ5Delivery time7daysSupport customizationyesDescriptionDescriptionfeatureQuad Band 850/900/1800/1900 MHz - Can be used in GSM networks in all countries worldwide.GPRS multi-slot level 10/8· GPRS mobile station level B.· Meet GSM phase 2/2 +Class 4 (2 W @ 850/900 MHz)Class 1 (1 W @ 1800/1900 MHz)Control via AT commands - Standard commands: GSM 07.07 & 07.05 | Enhanced commands: SIMCOM AT commands.Short Message Service - Small amounts of data (ASCII or raw hexadecimal) can be sent over the network.Embedded TCP / UDP Stack - Allows you to upload data to a web server.Support RTC.Optional serial port.· § Speaker and headphone jackLow power consumption - 1.5mA (sleep mode)Industrial Temperature Range - -40 ° C to + 85 ° CProduct specificationsApplication conceptM2M (machine 2 machine) application.Electric remote control.Remote weather station or wireless sensor network.· Vehicle tracking system with GPS module.Precautions· Make sure your SIM card is unlocked.The product is provided as is, without an insulated enclosure. Please observe the ESD precautions especially in dry (low humidity) weather.The factory default setting for the GPRS Shield UART is 19200 bps 8-N-1. (Can use the AT command to make changes).Interface introduction· § Power Selection - Select GPRS shielded power (external power or 5v )Power Jack - Connect to external 4.8 ~ 5VDC power supplyAntenna connector - Connects to an external antennaSerial Port Selection - Select the software serial port or hareware serial port to connect to the GPRS ShieldHardware Serial - D0 / D1Software Sequence - D7 D8• Status LED - Indicates if the SIM900's power is onNet Light - Tell about the state of the SIM900 connected to the networkUART of SIM900 - UART pin of SIM900 is separated· Microphone - answer the callSpeakers - answer the call· SIM900 GPIO, PWM and ADC - GPIO, SIM900's PWM and ADC pins separate· Power button - Power on SIM900 and power down FAQ1.Are you manufacturer ?Yes, We Are Manufacturer & Trading Company2.How long is your delivery time?Normally 3-5 working days after payment; Special requirement orders, delivery time is negotiable.3.Do you accept OEM design?Yes, we do. We can design according to your requirement, MOQ usually 500-1000.4.What payment terms you accept?We accept Alibaba Trade Assuarce, T/T, PayPal, Western Union, Wechat, Alipay, in Cash (RMB or USD).5.What Express Company You Use ?We Can Ship the goods Via DHL, Fedex ,TNT, UPS ,Aramex ,EMS , China Post , By Sea And By Air. Company ProfileCompany ProfileExhibitionExhibitionCertificationsCertificationProduct PackagingProduct PackagingPayment & Delivery TeamPayment & Delivery Team Contact Us/* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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