Product Type | Long-Range SIP Cordless Phone System |
System Components | 1 Base Unit, 2 Handsets |
Form Factor | Cordless Handset with Charging Cradle |
Use Case | Indoor/Outdoor, Multi-floor Offices, Warehouses, Manufacturing |
Frequency Band | 902–928 MHz |
Technology | Frequency-Hopping Spread Spectrum (FHSS) |
Power Source | AC Adapter (Base) / Rechargeable Battery (Handsets) |
Battery Type | Lithium-Ion (Rechargeable, per handset) |
Battery Talk Time | 6 hours |
Battery Standby Time | 50 hours |
Power Input (Base) | 6V DC, 600mA |
Ringer Types | 6 Polyphonic Ringtones |
Speakerphone | Yes, on Handset |
Display | LCD with Backlight |
Keypad | Backlit Keypad |
Handset Expandability | Up to 9 Handsets per Base Unit |
Base Expandability | Up to 4 Base Units per Site |
ENGENIUS FreeStyl SIP2 Long-Range SIP System with 2 Handsets



Key Benefits

AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Delivers exceptional range and mobility for large offices, warehouses, and multi-story buildings.
- Compatible with standard SIP platforms, simplifying integration with existing VoIP networks.
- Complies with TAA regulations, making it suitable for federal procurement and government agencies.
Product Overview
The ENGENIUS FreeStyl SIP2 system is a SIP-based communication solution that includes two handsets and a base unit, ideal for both home and business environments. It integrates with IP-PBX or hosted SIP systems, offering long-range coverage of up to 10 acres outdoors, 100,000 sq. ft. semi-open, or 25,000 sq. ft. across six floors in office spaces. TAA compliance and Taiwan-based manufacturing underscore its reliability and regulatory fit. This long-range mobility aids productivity in large or multi-level spaces, making it a valuable asset in wireless communication infrastructure.
Specifications
Product Overview
Wireless Features
Operating Frequency | 902 - 928 MHz |
Coverage (Open Space) | Up to 10 acres |
Coverage (Semi-open Space) | Up to 100,000 sq. ft. |
Coverage (Office Multi-Floor) | Up to 6 floors or 25,000 sq. ft. |
Antenna Type | Detachable High-Gain Antenna (Base); Internal Antenna (Handsets) |
Wireless Modulation | GFSK |
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
Certifications | FCC Part 15, FCC Part 68, CE |
RoHS Compliant | Yes |
Advanced Security Features
Authentication | SIP Digest Authentication |
TLS/SRTP Support | No |
Network Security | 802.1x, VLAN Tagging |
Interfaces
Network Interface | 1 x 10/100 Ethernet (RJ-45) |
Telephony Interface | SIP (Session Initiation Protocol) |
Voice Codecs Supported | G.711 (μ-law and A-law), G.726 |
Protocol Support | SIP v2 (RFC 3261), RTP (RFC 1889, RFC 3550), RFC 2833 (DTMF) |
DTMF Mode | In-band, RFC2833 |
Auto Provisioning Protocols | TFTP, HTTP, HTTPS |
Physical & Environmental
Base Unit Dimensions | 5.1 x 7.1 x 1.3 in (130 x 180 x 34 mm) |
Handset Dimensions | 6.9 x 2.2 x 1.3 in (175 x 56 x 34 mm) |
Weight (Handset) | Approx. 5.29 oz (150 g) with battery |
Operating Temperature | 0°C to 50°C (32°F to 122°F) |
Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
Operating Humidity | 10% – 85% (non-condensing) |
Storage Humidity | 5% – 95% (non-condensing) |
Cloud Management & Licensing
Remote Management | Web-based Configuration Utility |
Provisioning Support | Auto Provisioning via TFTP/HTTP/HTTPS |
Licensing Requirements | No recurring license required |