B+B SmartWorx SFP-GSS-40KRX Optical Transceiver, 1550T/1310R) 40km Sale Price Price $228.14 Free Shipping
B+B SmartWorx SFP-GS4-70KRX-LC Optical Transceiver, IE-SFP/1250-ED Sale Price Price $434.81 Free Shipping
B+B SmartWorx SFP-GS4-70KTX Optical Transceiver, PlugNPlay Operation Sale Price Price $301.95 Free Shipping
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B+B SmartWorx SFP-GS4-70KRX Optical Transceiver, SSLX-SM-SC 70km Sale Price Price $301.95 Free Shipping