User guide

Specifications
B-2
B
WiMAX Specifications
Antennas
Omnidirectional:
Built-in dual dipole antennas
Transmit: Single antenna
Receive: Two antennas using Maximal-Ratio Combining (MRC)
Gain: 3 dBi at 2.5 GHz, 4 dBi at 3.5 GHz
Impedance: 50 Ohm
Switched-Beam:
Built-in dual switched-beam antennas (each antenna is a 5-way pentagon
structure with 4 flat-patch elements in each segment)
Transmit: Single antenna
Receive: Two antennas using Maximal-Ratio Combining (MRC)
Gain: 6 dBi at 2.5 GHz, 7 dBi at 3.5 GHz
Impedance: 50 Ohm
Operating Frequency
2.3-2.4 GHz, 2.496–2.69 GHz, or 3.4–3.6 GHz
Channel Bandwidth
3.50, 5.00, 7.00, 8.75, and 10.00 MHz
Modulation Scheme
Scaleable OFDMA employing Time-Division Duplex (TDD) mechanism
PRBS subcarrier randomization
Contains pilot, preamble, and ranging modulation
Modulation and Coding Types
Down Link: QPSK, 16 QAM, 64 QAM
Up Link: QPSK, 16 QAM
Maximum Throughput
Up link: 5 Mbps maximum
Down link: 20 Mbps maximum
Transmit Power Level
+26 dBm maximum
Receive Sensitivity
-94 dBm maximum
VoIP Specifications
Voice Signaling Protocol
SIP v2 (RFC 3261)
Voice Codec
G.711 (a-law and u-law)