Keysight technologies u1177a infrared to bluetooth adaptor keysight technologies u1177a the u1177a infrared to bluetooth adaptor from keysight technologies allows you set up wireless remote connection to handheld digital multimeters and keysight u1210 series clamp meters simply attach the adaptor to the ir port of the multimeter and you can establish bluetooth wireless connection with a variety of android device s keysight technologies u1177a ir to bluetooth adaptor