Name: BS8700M Integrated DMR Portable Base Station
Brand: Caltta Technologies Co., Ltd.
Availability: InStock

Caltta BS8700M Integrated DMR Portable Base Station

The ZXSDR BS8700M adopts the advanced SDR technology. Its main unit integrates a DMR transceiver, synchronization unit, RF distribution unit, base station controller, core network module, temperature control system, and power supply system. With compact size, portability, rich functionality, high integration and high reliability, it fully meets the communication requirements of various emergency scenarios. As a supplement to fixed base stations, it can expand the coverage and address voice channel shortages during emergency responses and disposal operations.

Features

Specifications

Documents

Features of BS8700M Integrated DMR Portable Base Station

Highly Integrated
Adopt leading SDR architecture, highly integrated design, lightweight and portable.
Rapid Deployment
Integrate OMM, dispatcher, core network and base station, and quickly build a full functional on-site emergency response network.

Wider Coverage
Industry-leading Rx sensitivity (-125dBm), no feeder loss when installed on tower, greatly improving coverage.
More Capacity
Supports expanded to 8 carriers to provide more traffic capacity.
Rich Services
Supports standard DMR trunking, provide private call, group call, status message, GIS positioning, etc.
Robust and Reliable
IP68 and high vibration resistance, operating temperature ranges from -40 ℃ to 60 ℃.

Specifications of BS8700M Integrated DMR Portable Base Station

General
Frequency Sange	S3500: uplink: 351~356MHz; downlink: 361~366MHz S3820: uplink: 372~376MHz; downlink: 382~386MHz Other bands can be customized
Channel Spacing	12.5kHz
Modulation	4FSK
Channel Spacing	12.5kHz/20kHz/25kHz
Supported Carriers	Support 1/2/3/4 carriers, and expandable to 8 carriers
Max Online Users	1000
Call Setup Latency	< 300 ms
Voice Latency	< 350 ms
RF
System	DMR
Duplex Distance	10MHz
Modulation Rate	9.6 kbps
Transmitter	Single carrier RF power: ≤ 40W Adjacent channel power: ≤ -60 dBc/12.5kHz ≤ -70 dBc/25kHz Conducted/radiated emission: ≤ -36dBm/100KHz
Receiver	Digital sensitivity (no diversity reception): < -125dBm (5% bit error rate) Blocking index: ≥ 84 dB Adjacent channel selectivity: ≥ 60 dB/12.5kHz ≥ 70 dB/25kHz Common channel suppression: ≥‑12dB Intermodulation response suppression: ≥ 70dB Conducted spurious emission: ≤ -57dBm/100KHz
Reliability
Mean Time Between Failures (MTBF)	≥ 250,000 hours
Mean Time To Repair (MTTR)	1 hour
Physical
Dust and Water Resistance	IP68
Anti‑vibration Level	GB/T 4798.5 7M2 vibration standard
Working Temperature	-40℃~+60℃
Operating Humidity	5% ~ 95%
Dimension (H×W×D)	435mm×275mm×173mm
Weight	19.5kg (standard weight)
Physical
Electrostatic Immunity	Contact discharge ±6000V, air discharge ±8000V
Surge Immunity	±2000V between cable and ground