GSM Temperature Monitoring System for BTS Remote Data Acquisition Telemetrically BTS Access Control GPRS 3G M2M S271
– ARM Cortex-M4 32 Bit RISC Core, 168 MHz inside, RTOS system;
– Widely Rated voltage range, 9~36VDC, Inbuilt large capacity rechargeable backup battery;
– Large internal memory for save 1000 historical data, USB port for configuration and upgrade firmware;
– 4 analog inputs, 12bits, supports 0-5V, 0-20mA, 4-20mA;
– 4 Relay outputs, 5A/30VDC,5A/250VAC;
– 4 digital inputs, dry contact or level input. One of the input can be used as counter;
– 1 temperature probe input, 1 humidity transducer input;
– 2 IP data centers, supports Modbus TCP,TCP/IP protocol over GPRS/3G network;
– Automatically resend the data while communication failure, GPRS failure will alert by SMS text;
– Supports remotely restart the RTU, and configure it by SMS commands remotely;
– Supports over voltage protection and phase-reversal protection;
– 10 SMS Alert and auto dial numbers, can program to receive specified alarm message.
– 10 access control authorized numbers, can open the BTS door or turn on/off machine with a free charge call at the specified time.
– 1 x S271 M2M 2G RTU Controller unit
1) We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment processor ESCROW. 2) We will process most order in 48 hours after payment verification and offer tracking no with every Deal(aliexpress only can fill the tracking No after 24 hours). 3) Support WORLDWIDE SHIPPING. (Except some countries and APO/FPO). 4) DHL/Fedex Tracking No Maybe Change after the item arrive Hongkong(eg.we shipped the item on Friday and fill the tracking No,but the tracking No may be Change on Monday if the Parcel arrive Hongkong). 5) SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. 6) If you have not received your shipment within reasonable days from payment, please contact us first(pls don’t put negative feedback before contact us!). We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
1) We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important ,We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. 2) It is impossible to address issues if we do not know about them!
1) For Russian buyer,pls offer full name as policy requires. 2) For Buyer from Russian Federation,Argentina,Ukraine,Item may ship via EMS if you choose DHL/Fedex as complex customs declaration process. 3) For Buyer From Brazil,pls offer Tax No is you want to ship via DHL/Fedex,or item will ship via EMS though you choose DHL.
5 Stars (0)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)
|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|