1. Easy to use, three key control for all functions
2. Insertion loss measurement (dB); Power measurement (dBm)
3. Measurement resolution 0.01dB
4. Pluggable adapters: FC, SC, ST, Toslink, etc
5. Long battery life
6. Automatic shutdown function
Model Number:577XL-M90
Brand:Tempo
Richen Code:57002300
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Brand:Tempo
Richen Code:57002400
Model Number:573XL-SOC
Brand:Tempo
Richen Code:89000200
Model Number:570XL-FC
Brand:Tempo
Richen Code:57000500
Model Number:PA1171
Brand:Tempo
Richen Code:57002900
Model Number:AGC350-FT
Brand:Tempo
Richen Code:57003300
Model Number:801K/50
Brand:Tempo
Richen Code:57003200
Model Number:5680
Brand:Tempo
Richen Code: