Shure Axient Digital - Specifications; Frequency Bands and Transmitter RF Power; Audio Input

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Specifications
Mic Offset Range
-12 to 21 dB (In 1 dB steps)
Battery Type
Shure SB920 Rechargeable Li-Ion
Battery Runtime
@ 10 mW
Shure SB920 up to 9 hours
See Battery Runtime Chart
Dimensions
254 mm x 51 mm (10.0 in. x 2.0 in.) L x Dia.
Weight
179 g (6.3 oz.), Without Battery
Housing
Cast Aluminum
Operating Temperature Range
-18°C (0°F) to 63°C (145°F)
Note: Battery characteristics may limit this range.
Storage Temperature Range
-29°C (-20°F) to 74°C (165°F)
Note: Battery characteristics may limit this range.
Audio Input
Configuration
Unbalanced
Maximum Input Level
1 kHz at 1% THD
145 dB SPL (SM58), typical
Note: Dependent on microphone type
RF Output
Antenna Type
Dual Band Helical
Occupied Bandwidth
<200 kHz
Modulation Type
Shure Axient Digital Proprietary
Power
2 mW, 10 mW, 40 mW
See Frequency Range and Output Power table, varies by region
ShowLink
Network Type
IEEE 802.15.4
Antenna Type
Zigbee Dual Conformal
Frequency Range
2.40 to 2.4835 GHz (24 Channels)
RF Output Power
10 dBm (ERP)
varies by region
Frequency Bands and Transmitter RF Power
Band
Frequency Range
(MHz)
RF Power (mW)***
G53 470 to 510 2/10/40
G54 479 to 565 2/10/20
G55† 470 to 636 2/10/40
G56◇ 470 to 636 2/10/40
G57△ 470 to 616* 2/10/40
G62 510 to 530 2/10/40
H54 520 to 636 2/10/40
K53† 606 to 698 2/10/40
K54△ 606 to 663** 2/10/40
K55 606 to 694 2/10/40
K56 606 to 714 2/10/40
K57 606 to 790 2/10/40
K58 622 to 698 2/10/40
L54 630 to 787 2/10/40
R52† 794 to 806 2/10/40
JB 806 to 810 2/10
X55 941 to 960 2/10/40
*with a gap between 608 to 614 MHz.
**with a gap between 608 to 614 MHz and a gap between 616 to 653 MHz.
***power delivered to the antenna port.
†operation mode varies according to region. In Brazil, High Density mode is used.
△Output power limited to 10 mW above 608 MHz.
◇Korea defines power as conducted (ERP) which is 1dB less then declared in table.