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197 Products|1 Suppliers
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Choose suppliers with platform-verified icons for trusted status2Verify CertificationsValidate supplier certifications (ISO, CE, etc.) for relay terminal compliance3Sample Testing FirstAlways test product samples before large orders4Visit FactoriesConduct on-site audits for manufacturing verification5Payment TermsUse escrow services for high-value transactions6Contract ClarityDefine penalties for delays/spec deviations in relay terminal contracts -
Industrial-Grade 4G Cellular IoT M2M RTU with 2DI 2DO 2AI for Access Control SystemUS$ 125.11 - 166.35MOQ: 1 PieceShenzhen Beilai Technology Co., Ltd. -
Energy-Efficient 2DI 2DO 2AI S270 RTU with IP30 Protection for Industrial ApplicationsUS$ 125.11 - 166.35MOQ: 1 PieceShenzhen Beilai Technology Co., Ltd. -
Rugged S271 SMS Relay Controller with DIN Rail Mounting for Buildings and Real EstateUS$ 123.02 - 172.24MOQ: 1 PieceShenzhen Beilai Technology Co., Ltd. -
Support SMS and Phone Alarm S271 IP30 4G IO Module for Oil and Gas PipelinesUS$ 123.02 - 172.24MOQ: 1 PieceShenzhen Beilai Technology Co., Ltd. -
Vending Machines Security Protection BLIIoT S271 4G IoT RTU with 4DI 4AI 4Relay OutputsUS$ 123.02 - 172.24MOQ: 1 PieceShenzhen Beilai Technology Co., Ltd. -
Global Buyer Activity
DO Importer requested specs for High-Performance GSM/GPRS/3G/4G S272 SMS Relay Controller for Oil and Gas Pipelines5 hours ago
MC Importer verified certifications for GSM 3G 4G SMS Remote Controller Alarm with 8DI 2DO USB for Buildings and Real Estate2025-09-21 19:57:43
HK Verified Buyer inquired about GSM 3G 4G SMS Remote Controller Alarm with 2DI 2DO USB for Unmanned Machine Rooms18 hours ago
TT Importer negotiating terms for Manufacturers Relay Output Controller S272 with RS485 8DI 6AI TH for Transformer Stations23 hours ago
SR Business Owner placed an order for 4DI 4AI 4Relay Outputs 1Ambient Sensor Input Data Acquisition Module S271 for Exhaust Gas Monitoring14 hours ago
AO Procurement Lead negotiating terms for GSM/GPRS/3G/4G Cellular IoT M2M Remote Terminal Unit S272 for River Monitoring and Flood Control2025-09-24 17:43:17
ID Purchasing Director verified certifications for Vending Machines Security Protection BLIIoT S271 4G IoT RTU with 4DI 4AI 4Relay Outputs2025-09-23 09:21:42
KM Business Owner inquired about GSM/GPRS/3G/4G BLIIoT S272 Cellular IoT RTU for Security Alarm System Applications2025-09-24 05:08:01
BD Lead Purchaser verified certifications for Remote Terminal Unit GSM/GPRS/3G/4G S270 for Automation, Monitoring, and Control Systems2025-09-25 04:05:10
BH Sourcing Manager requested a quote for Efficient Remote Control S130 Cellular SMS Controller with 2DI 2Relay Output2025-09-25 08:08:12
SL Verified Buyer negotiating terms for Supports SMS Commands Remote Restart GSM/GPRS/3G/4G RTU S270 with 2DI 2DO 2AI for Pumping Stations2025-09-23 16:27:28
GY Operations Head placed an order for High-Performance S271 IoT RTU with 4G Communication for BTS Monitoring and SCADA Integration2025-09-22 10:20:38
