• 8-Port Interoperability Solution
  • 4 modules for 8-ports in a small form factor
  • 4-wire connectivity (intercom, radio and audio sources)
  • VoIP connectivity (SIP and RoIP)
  • Digital radio connectivity (Digital Voice Systems’ AMBE™ 3003 VoCoder technology)
  • Radio Bridging: port-to-port, port-to-multi-port, Radio-over-IP (RoIP), analog-to-digital, digital-to-digital
  • Radio Interfacing: trigger radios with 4-wire port signaling, DMR and P25 compatibility
  • IP Interfacing: Voice-over-IP (VoIP), RoIP, Unicast, Multicast, SIP (8 assignable SIP accounts per IP module)
  • Module design and highly configurable
Item Part Number:
  • CG-X4-M4W1: X4 2 port 4-wire Gateway
  • CG-X4-M4W2: X4 4 port 4-wire Gateway
  • CG-X4-M4W3: X4 6 port 4-wire Gateway
  • CG-X4-M4W4: X4 8 port 4-wire Gateway
  • CG-X4-MIP1: X4 1 port IP 1 port 4-wire Gateway
  • CG-X4-MIP1-M4W1: X4 1 port IP 3 ports 4-wire Gateway
  • CG-X4-MIP1-M4W2: X4 1 port IP 5 ports 4-wire Gateway
  • CG-X4-MIP1-M4W3: X4 1 port IP 7 ports 4-wire Gateway

Technical Specifications


Input/Output Levels: -16 to 7 dBm @ 600 Ohms, adjustable in 0.1dB steps
Frequency Response: 5 to 3400 Hz; +/-1 dB ref. to 1 KHz
Isolation: >60 dB
Idle Noise: <20 dbrnC0
Input Impedance: 600 Ohms or 100 Ohms, software selectable each port
Output Impedance: 600 Ohms, true differential
Hybrid Return Loss: 25 dB minimum


M-Lead Relay:
Optical: Coupled MOS
Maximum Contact Voltage: 60 VDC, 20 VAC
Maximum Current: 50 mA

E-Lead Input:

Active High Input: Open circuit or >+1.8 VDC
Active Low Input: Ground, negative voltage or <+0.32 VDC
Clear-Com Signaling: Eclipse and HelixNet
DTMF Signaling
E&M Lead (COR & PTT) Signaling


IP Ports:
Format: Supports 10Base-T and 100Base-T
Networking Stack: TCP/IPv4
Protocols: SIP, SDP, RTP, IPV67 and STUN (Simple Traversal of UDP
through Network Address Translation)
Codecs: G.711 (fully compatible), G.726 (16/24/33/40 kbps), G.722,
DVI4 (narrow/HD/Ultra HD), Linear PCM
SIP Accounts: 8 per module


VoCoder: 3-channel
Digital Voice Systems: AMBE-3003™ Vocoder encode or decode AMBE™
Input/Output: Analog and Serial
Encode/Decode: P25, DMR


LAN: RJ45 (port 7)
PC Configuration: USB Port Type B
4-Wire: RJ45


Switchable plug-in adapter with locking connector and IEC cord
Input Voltage: 85 – 264VAC; 100 – 240VAC; nominal
Output Voltage: 12V; 1.67A
MTBF (min.): 200,000 hours demonstrated


Operating: 32°F – +122°F (0°C – +50°C)
Storage: -40°F – +176°F (-40°C – +80°C)
Humidity: 0 – 95%, non-condensing


CG-X4: 5.7in W x 1.4in H x 13in D (144.8mm x 35.6mm x 330.2mm)


CG-X4: 4.75 lbs (2.15kg)

Associated Products

WordPress Lightbox Plugin