Specifications:

Audio output power Internal SP (8 Ω load) 1500 mW typical (10% distortion), 1300 mW typical (5% distortion) 
External SP (8 Ω load) 1000 mW typical (10% distortion), 650 mW typical (5% distortion) 
HM-222H (8 Ω load) 1500 mW typical (10% distortion), 1300 mW typical (5% distortion) 
Operating temperature range –30 °C to +60 °C, –22 °F to +140 °F
Power supply voltage 7.5 V DC nominal
Current drain
(approximate)
Receive Max. audio (INT SP) 520 mA,
Stand-by 300 mA
Transmit Hi (5 W) 1.8 A
Dimensions
(H × W × D; Projections not included)
140.5 × 61.7 × 42.8 mm, 5.5 × 2.4 × 1.7 in (with BP-303)
Weight (approximate) 320 g, 11.3 oz (with BP-303)
Bluetooth® technology Version: 4.2, Output: Class 2, Protocol: HFP, HSP

LTE (4G)/W-CDMA (3G)LTE (4G)/W-CDMA (3G)

Network EUR, EXP

LTE (4G): B1, B3, B7, B8, B20
W-CDMA: B1, B8

USA LTE (4G): B2, B4, B12
W-CDMA: B2, B5
AUS, EXP LTE (4G): B1, B3, B5, B7, B8, B28
W-CDMA: B1, B5
Rated output power 0.25 W
Receiver sensitivity (QPSK) –102 dBm typ.
Compatibility IP501H, IP503H, IP501M, IP500APP, VE-PG4

You can view the full features in the PDF file.

Product Documentation:

IP730D IP740D