Name: DMR Distributed Base Station
Brand: Caltta Technologies Co., Ltd.
Availability: InStock

Features

Specifications

Features of DMR Base Station

World-leading SDR architecture, broader coverage.
Flexible networking with star and chain networks supported.
Optical fiber connection without feeder loss.
High sensitivity and better call quality.
Adapts multi-carrier technology, and realizes software expansion for cost savings.
High environmental adaptability.
Smooth evolution to 4G.
Frequency scanning to eliminate interference.
Efficient amplifier, natural heat dissipation, 80% power saving.

Specifications of B8200(BBU) and R8881(RRU)

B8200(BBU)
Capability	16 Carriers
Slot Capacity	2/ Channel
Multi-access Method	TDMA
Size ( H × W × D )	88.4 mm × 482.6 mm × 197 mm
Weight	≤ 7.5 kg
Power Consumption	≤135W
Power Supply	- 48 V DC / 220 V AC
Synchronization	GPS
Operating temperature	- 30 °C to + 60 °C
Storage Temperature	-40℃ to +85 ℃
Operating humidity	5 % ~ 95 %
Dust and Water Resistance	IP20
Emission and immunity	ETSI TR 102 398 V1.5.1 (2023-11), ETSI TS 102 361-1 V2.6.1 (2023-05) ETSI TS 102 361-2 V2.5.1 (2023-05), ETSI TS 102 361-3 V1.3.1 (2017-10) ETSI TS 102 361-4 V1.12.1 (2023-07)

R8881(RRU)
Frequency	400~470MHz
Adjacent channel selectivity	≥ 60 dB @ 12.5 kHz, ≥ 70 dB @ 25 kHz
Multi-access Method	TDMA
Size (H x W x D)	370mm × 320mm × 215mm
Weight	≤20kg
Power Supply	-48 V DC/ 220 V AC
Operating Temperature	-40ºC~+60ºC
Storage Temperature	-40℃ to +85 ℃
Operating Humidity	5%~98%
Dust and Water Resistance	IP65
Digital Sensitivity	-125dBm (BER 5%) / 0.128uV
Receiver Co-Channel Rejection	≥ -12dB
Diversity Mode	2 Diversities, 4 Diversites
Frequency stability	≤ ±0.05 ppm
Output RF Power	≤60W (Up to 4 carriers)
Audio Distortion	≤ 3%
Duplex Spacing	10MHz(can be customized)
Intermodulation Rejection	≥70dB
Receiver spurious rejection	≥70dB