User Manual

Specifications RPC/RP Manual
WLL-RPC/RP-IN/UM-1.0 19June2000
A-4
A.2 RP Specifications
A.2.1 Radio Features
Item Contents
Radio frequency For private use: 1,895-1,906.1 MHz
For public use: 1,895-1,910 MHz
Carrier spacing 300 KHz
Output power 10 mW
Radio access TDMA-TDD
Number of TDMA slots 4 (for full rate CODEC)
Modulation π/4 shift QPSK (roll-off factor = 0.5)
Transmission bit rate 384 kbps
Speech coding 32 kbps ADPCM
Table A-4: Radio Features
A.2.2 Outdoor Type RP
Item Specifications
RF output power average
(Peak)
10 mW
(80 mW)
Sensitivity (Static BER = 1%) 14 dB µV
Antenna (Diversity) 2 external antennae (2 branch)
Diversity
RX (uplink) Antenna selection diversity (frame by frame)
TX (downlink) Transmitter antenna selection diversity (2 branch)
Air interface Based on RCR STD-28 ver.2
RPC interface Proprietary
BRI equivalent
(4B+D+K) x 1
Speech coding rate 32 kbps (ADPCM) x 3 or 4
Maximum wire line length (⇔
RPC)
3.5 km (φ 0.4)
5.0 km (φ 0.5)
Maximum power consumption Approx. 3 W
Power source Line power feeding (phantom) from RPC
56 - 116 V DC
Operational Environment
Temperature -10° to + 50°C
Humidity Less than 95 % (non-condensing)
Size 260 x 215 x 100 mm
Weight Approx. 2 kg
Line connection Screw less terminal
Antenna connection TNC connector
Battery backup None
Table A-5: Outdoor RP Specifications