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1,980 Wholesale Serial Modem Products
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Communication Network RS232/422/485 Multi-Mode Fiber Optic Modem (ATC-277mm)
US $ 56.8-62.8/Piece
1 Piece
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H20series M2m 3G IP Modem with RS232/RS485 for Remote Monitoring and Control System
US $ 120-130/Piece
1 Piece
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H20series M2m 3G UMTS WCDMA HSPA IP Modem with RS232/RS485 for Meter Reading, Scada
US $ 120-130/Piece
1 Piece
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Wireless GSM GPRS Modem RS232/RS485 I/O for Scada, Meter
US $ 200-220/Piece
1 Piece
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GPRS Modem (DTU) with RS232/RS485 for Meter Reading H21series
US $ 150-160/Piece
1 Piece
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Hot Selling 4G Modem Industrial for Vending Machines
US $ 101-105/Piece
1 Piece
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Hot Selling 4G Modem RS232 for Elevators Preventive Maintenance
US $ 103-107/Piece
1 Piece
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Whole Sales Modems for Scada Remote Management for Lighting
US $ 103-107/Piece
1 Piece
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Communication Network RS232/422/485 Single-Mode Fiber Optic Network Modem (ATC-277SM)
US $ 67.8-71.8/Piece
1 Piece
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Converter Rsrs422/RS485 to Fiber Modem China Manufacturer Supply
US $ 10-54/Pair
1 Pair
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RS485/RS422 Fiber Converter Optical Modem for Alarm System Contact Alarm
US $ 10-54/Pair
1 Pair
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Universal RS485 RS422 RS232 to Fiber Sc/St/FC 20/40/60/80km Optical Series Over Fiber Modem
US $ 48-64/Pair
1 Pair
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Industrial RS-232/485/422 Interface Asynchronous Fiber Modem
US $ 38-54/Pair
1 Pair
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3G Serial Modem Dual SIM Card Router H50series
US $ 150-160/Piece
1 Piece
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Serial Port to Single-Mode Fiber Optic Data Model (ATC-277SM)
US $ 67.8-71.8/Piece
1 Piece
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Industrial POS ATM LTE 4G 3G GPS Serial Ethernet WiFi Modem Router
US $ 150-160/Piece
1 Piece
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1 Channel RS232 Bidirectional Data Single-Mode Serial Fiber Optic Converter
US $ 10-54/Pair
1 Pair
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RS232 Serial Port to Fiber Optical Modem Converter with Sc/FC/St Media Converter
US $ 10-54/Pair
1 Pair
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Serial Over Fiber Model RS232 dB9 Port to Single Fiber Sc20km with Power Adapter
US $ 10-26/Pair
1 Pair
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8 Ports RS232 RS485 RS422 to Ethernet TCP/IP Modem Converter
US $ 169.99-199.99/Piece
500 Pieces
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Speed Line Modem Zigbee GPRS IP Modem for Power and Utilities
US $ 150-160/Piece
1 Piece
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Sierra Wireless Airlink Gx450 Rugged, Secure Mobile 4G LTE, GPS, Wi-Fi Gateway Modem, Mobile Applications
US $ 240-250/Piece
1 Piece
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H20series Industrial Grade 4G 3G GPRS Modem for Regulator Recloser
US $ 120-130/Piece
1 Piece
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Sierra Wireless Airlink Gx450 1102363 Rugged Secure Mobile 4G LTE Gateway Modem
US $ 235-253/pieces
1 pieces
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LTE 4G 3G GSM GPRS Dual Band WiFi GPS VPN Dual SIM Modem
US $ 200-220/Piece
1 Piece
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H20series Industrial GPS 3G WCDMA Modem for GPS Vehicle Tracking
US $ 120-130/Piece
1 Piece
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H20series Industrial Iot M2m 3G UMTS WCDMA HSPA IP Modem with RS232/RS485
US $ 120-130/Piece
1 Piece
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Single-Mode Optical Fiber Modem with RS-232/422/485 Converter (ATC-277SM)
US $ 67.8-71.8/Piece
1 Piece
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Industrial Class GPRS, GSM, Edge, UMTS, HSDPA Modem GPRS for Recloser, RTU, DTU, Remote Terminal Unit Data Transfer Unit
US $ 150/Piece
10 Pieces
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TCP Server Quadband GPRS Modem (DTU) with RS232/RS485 for Automatic Meter Reading H20series
US $ 120-130/Piece
1 Piece
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Wireless M2m CDMA Modem with RS232, SMS, Csd H50series
US $ 150-160/Piece
1 Piece
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US $ 120-130/Piece
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US $ 150-160/Piece
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US $ 150-160/Piece
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US $ 120-130/Piece
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