User's Manual
3
Written By: Belco International Co., Ltd. PAGE: 14 of 24
3 ELECTRICAL SPECIFICATIONS
(More detail the specifications refer to attached – refer A)
3.3 TEST CONDITIONS
Unless otherwise noted, all tests are performed under the following
conditions:
3.3.2.1 Power Supply Voltage:
120Vac ±10% for the base 60Hz.
3.7Vdc ±0.025Vdc for the handset.
3.3.2.2 Ambient Temperature: 25°C ±5°C
3.3.2.3 Standard measurement as described in EIA standard, and 470B.
3.3.2.4 Standard Frequency Modulation: Per vendor’s design
3.4 RF: REFER TO STANDARD SPECIFICATION BELCO INTERNATIONAL
and CONEXANT RF Measurement W138, rev.A.
3.4.2 General
3.4.2.1 Operating freqency range : 2.4048GHz ~2.4750 GHz
3.4.2.2 Operating channels : 40ch (channel table refer to attached – refer B)
3.4.2.3 Modulation type : DBPSK
3.4.2.4 Channel bandwidth: 1.8 MHz
3.4.2.5 Channel frequency : 1ch : 2.4048 GHz
20ch : 2.4408 GHz
40ch : 2.4750 GHz
3.4.2.6 Receiver sensitivity : -98dBm @ I/Q=220mV +
40mV,
Vagc= 1.5V+ 0.1V
3.4.2.7 Symbol Rate : 1.2M bps
3.4.2.8 Speech codec : ADPCM (32 Kbps )