Dtmf metro handfree sos call phone

Key Attributes.

The Weatherproof phone will be designed to work on Railway, highway, tunnel, etc. Housed in robust aluminium die case with spring loaded door, it will offer protection against the outdoor environment, vandals resistance and rot resistance. The unit will meet all the latest European/UK standards for EMC and US FCC, telephony, waterproofing IP66, and lightening protection together with offering the level of performance and reliability demanded in such an environment. DTMF(Dual Tone Multi Frequency) Matching with most PABX,PBX and PAX systems. Main Product features 1. Robust aluminium alloy die-cast body, 2. One button for emergency call, Illuminated button optional. 3. Door cover: orient automatically and good self - closing, self-protection when open the door, convenient for use. safety design with patent. 4. Weather resistant to IP66 standard, service temperature range from:-30'C to +75'C 5. Telephone line powered. No external power or battery back up required. 6. Lightening protection to ITU-T recommendation K.21 7. Hearing aid compatible receiver, noise canceling microphone. 8. Selectable 7 minute time out, to release the line if the handset is left off hook, optional 9. Vandal resistant and tamper-resistant hardware, 10. Easy installation/ replacement Certification: EMC: EN55022:2006 emissions EN55024:1998 + A1:2001 immunity Transients/Lightning ITU-T recommendations K.21 (07/2003) Ingress Protection: GB4208-93 IP66 FCC Packing detail: 1pcs in each inner CTN box size: 43.3 x 27.6 x 19.1 G.W: 6.6kg 4pcs in outer CTN box, size: 56.6 x 44.5 x42 G.W: 17kg 20GP: 1000PCS 40GP: 2000PCS 40HQ: 2200PCS