HP DesignJet T830 User guide - Page 197
Acoustic specifications, Wireless frequency bands
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Printer environmental specifications (continued) Recommended operating humidity Storage humidity 20 to 80% RH, depending on paper type 0 to 95% RH Acoustic specifications Printer acoustic specifications (declared according to ISO 9296). Printer acoustic specifications Idle sound power level Operating sound power level Idle sound pressure at bystander position Operating sound pressure at bystander position < 3.4 B (A) 6.5 B (A) < 16 dB (A) 48 dB (A) Wireless frequency bands Printer is specified to work in the wireless frequency band of: 2.4 GHz (802.11b/g/n) ENWW Acoustic specifications 193
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Printer environmental specifications (continued)
Recommended operating humidity
20 to 80% RH, depending on paper type
Storage humidity
0 to 95% RH
Acoustic specifications
Printer acoustic specifications (declared according to ISO 9296).
Printer acoustic specifications
Idle sound power level
< 3.4 B (A)
Operating sound power level
6.5 B (A)
Idle sound pressure at bystander position
< 16 dB (A)
Operating sound pressure at bystander position
48 dB (A)
Wireless frequency bands
Printer is specified to work in the wireless frequency band of: 2.4 GHz (802.11b/g/n)
ENWW
Acoustic specifications
193